37 results for Data Scientist Ml Ai jobs

AI Engineer

Tokyo,
remote
Permanent
10.0M - 10.0M JPY / Yearly
Company ProfileA leading innovator in construction solutions is expanding its capabilities in Artificial Intelligence to enhance products and services through cutting-edge technologies. You will be joining a rapidly growing AI division within the Data Value Creation Group. This team analyzes industry challenges, identifies innovative data-driven solutions, and develops state-of-the-art AI technologies both in-house and with external partners-pushing the boundaries of what's possible in the construction sector.The Role In this role, you will:<ul><li>Identify and address technical challenges in areas related to Smart Construction, both within the company and for clients</li><li>Collaborate with AI specialists and cross-functional teams to design and implement AI, ML, or optimization-based solutions</li><li>Contribute to spreading AI literacy throughout the organization</li><li>Participate in the full lifecycle of AI solutions, from ideation and research to deployment</li></ul>Mandatory Requirements<ul><li>Master's degree in Deep Learning, Machine Learning, Data Science, Artificial Intelligence, Computer Science, or a related field with at least 2 years of experience building ML models OR PhD in a relevant field with related thesis/publications</li><li>Solid understanding of modern ML technologies, models, and methods</li><li>Strong foundation in data analytics</li><li>Hands-on experience with Python, PyTorch, and other modern ML libraries</li><li>Ability to understand academic research papers and translate insights into practical applications</li><li>Strong technical communication skills in English</li></ul>Preferred Qualifications<ul><li>Industrial or academic experience with Point Clouds/NERFs, Diffusion Models, Transformers, Deep Reinforcement Learning, or Evolutionary Algorithms</li><li>Experience designing, building, or optimizing models in the above areas</li><li>Familiarity with cloud platforms such as AWS, GCS, or Azure</li><li>Experience packaging and deploying ML models</li><li>Background or interest in civil engineering</li></ul>Ideal Candidate Profile<ul><li>Motivated to solve social and industry-wide challenges</li><li>Intellectually curious, eager to learn new technologies</li><li>Excited to take on ambitious challenges and transform the industry</li><li>Interested in applying AI to create value in Japan and globally</li><li>Internationally minded and open to living in/around Tokyo </li></ul>Salary 10M JPYLocationTokyo Reference Number: 06940-0013206595By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c3VlLnRpbmcuNjI5MzMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-09-01T05:58:05Z

Data Science Director

Tokyo,
remote
Permanent
12.0M - 20.0M JPY / Yearly
Data Science Director (Advertising Technology) | Tokyo | 12-20M JPY We're looking for a hands-on Data Science Leader to help drive innovation in the digital advertising space. If you love applying machine learning to real-world problems and want to help build top-tier ad-tech products, this is the role for you. What You'll Do ・Enhance prediction models and features for advertising platforms ・Develop pricing optimization logic to maximize ad inventory value ・Build recommendation systems for dynamic creative and product suggestions ・Define and share the vision for future data science initiatives ・Mentor junior data scientists on the team ・Communicate strategy and technical work clearly across the business Tech & Tools ・Languages: Python ・Databases: Clickhouse, MySQL, BigQuery ・Cloud: GCP ・Tools: GitLab, Slack, Redmine, Confluence, plus AI coding assistants ・Hardware: Mac Team & Environment ・1 Manager, 2 Team Leads, ~9 Data Scientists ・Collaborative engineering culture with autonomy and broad scope ・Flexible work style: primarily in-office with 2 days/week remote option What You'll Gain ・Work on large-scale ad-tech platforms with billions of monthly impressions ・Tackle pricing optimization and recommendation challenges similar to top global DSPs ・Opportunity to shape cutting-edge ad-tech algorithms with real business impact ・Engineering environment with strong AI/ML support and tooling Who We're Looking For ・3+ years in data science or machine learning for marketing, advertising, or related fields ・Strong Python skills and experience in applied ML ・Enjoys diving deep into ad-tech challenges and pushing technical boundaries ・Able to communicate technical vision to both engineering and business teams ・Proactive, curious, and excited about continuous improvement ・Fluent Japanese required; English is a plus Nice-to-Have ・PhD or Master's in a related field ・Experience with generative AI or advanced ML ・Strategic thinking and problem-solving skills ・Proven track record applying new technologies to business needs ・Understanding of technical challenges in the advertising industryBy clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/Um9jY28uU29uZy4yMjQ4My4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-07-03T02:10:15Z

Director of Deep Learning

Tokyo,
remote
Permanent
15.0M - 20.0M JPY / Yearly
Company Profile/The Role<ul><li>We're seeking a Director of AI to replace our current director and lead AI initiatives with both strategic vision and technical expertise.</li><li>In this role, you will lead a team of machine learning engineer and closely work with other senior leaders to level up the business to next level.</li><li>We provide very international environment, great people, solid saas products and competitive salary package.</li></ul><Key Responsibilities><ul><li>Lead AI/ML strategy and technical direction aligned with company objectives</li><li>Identify AI opportunities to enhance customer experience, operations, and business impact</li><li>Drive cross-functional collaboration with product, engineering, sales, and customer success</li><li>Oversee complete AI feature lifecycle from prototype to production deployment</li><li>Monitor and optimize KPIs for AI-driven features post-launch</li><li>Establish ML operations, data infrastructure, and model lifecycle best practices</li><li>Communicate complex AI concepts to both technical and non-technical stakeholders</li></ul>Your Skills<ul><li>Master's in Computer Science, Physics, Applied Math, or related field (Ph.D. preferred)</li><li>8+ years ML engineering/data science experience with 3+ years management/strategic role</li><li>Proven track record leading AI projects from concept to launch with KPI optimization</li><li>Experience building and deploying deep learning models in customer-facing applications</li><li>Production experience with personalization, recommendation systems, or NLP</li><li>Strong technical knowledge of ML frameworks (TensorFlow, PyTorch) and MLOps tools</li><li>Excellent leadership and organizational alignment capabilities</li><li>Pragmatic decision-making skills for technical trade-offs</li><li>Strong communication skills across diverse stakeholder groups</li><li>Hands-on team management skills and experience</li></ul>Salary<ul><li>15 million yen - 20 milion yen</li></ul>Location<ul><li>Tokyo</li></ul>Reference number : 06940-0013256453By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi4xODMwNi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-07-08T05:43:02Z

AI Engineer - Cyber Threat Intelligence

Tokyo,
remote
Contract
7.0M - 9.0M JPY / Yearly
[Position Overview] A global organization is seeking a skilled AI Engineer to integrate advanced AI solutions into its Cyber Threat Intelligence (CTI) Platform. The role focuses on leveraging AI technologies, especially Large Language Models (LLMs), to enhance threat detection, automate analysis, and improve the efficiency of cybersecurity operations. [Key Responsibilities] - Design and implement AI-powered solutions using APIs (e.g., OpenAI, Google AI) and AI models. - Develop APIs, microservices, and data pipelines for integrating AI tools into the CTI platform. Enhancing Threat Intelligence - Automate data extraction and analysis via Natural Language Processing (NLP) - Collaborate with analysts and engineers to optimize workflows using AI for malware analysis, vulnerability assessments, and incident response. - Automating Report Production - Build AI-driven tools for generating reports, dashboards, and summaries. - Personalize intelligence reports tailored to specific stakeholders. - Model Evaluation & Improvement - Assess AI model performance using metrics and refine solutions based on feedback. - Stay updated on AI developments to identify new opportunities for implementation. [Required Skills] - Bachelor's degree in Computer Science, AI, Cybersecurity, Machine Learning, or related fields. - 3+ years of experience in developing and deploying AI/ML solutions. - Proficiency in Python and AI/ML frameworks (e.g., TensorFlow, PyTorch, scikit-learn). - Familiarity with AI APIs and Natural Language Processing (NLP) tools. - Understanding of machine learning algorithms and cybersecurity concepts. [Preferred Skills] - Advanced degree (Master's or Ph.D.) in relevant fields. - Experience with cloud platforms (e.g., AWS, Azure), Docker/Kubernetes, and big data technologies. - Familiarity with threat intelligence platforms, MLOps practices, or SIEM systems. - Contributions to open-source projects. - Knowledge of graph databases and network analysis.Reference Number: 06940-0013248717By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy" target="_blank">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/WGlueXUuTGluLjMyNzYwLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-06-26T01:27:50Z

Machine Learning Engineer

Tokyo,
remote
Permanent
9.0M - 12.0M JPY / Yearly
Selling Points<ul><li>You will work on impactful social issue from day 1</li><li> Flexible working policies</li><li>International work environment</li></ul>Company Profile<ul><li>The client is working on innovative solutions in civil engineering industry.</li></ul>The Role<ul><li>Help identify the technical challenges related to the operations of our clients.</li><li>Work collaboratively with the rest of the AI team, as well as other teams and departments within the company, to identify, propose, explore and create ways to tackle the challenges using AI, ML or optimization algorithms as per your professional expertise.</li><li>Be involved in the whole lifecycle of an AI solution.</li></ul>Your Skills<ul><li>Master's in Deep Learning, Machine Learning or similar field, and at least 2 years experience building Machine Learning Models</li><li>Thorough understanding of modern ML technologies, models, methods and its fundamentals. Good grasp of data analytics.</li><li>Experience working with Python, Pytorch and related modern popular ML libraries.</li><li>Industrial or Academic experience working with: Point Clouds/NERFs, Diffusion Models, Transformers, (Deep)</li><li>Reinforcement Learning, Evolutionary Algorithms</li><li>Experience designing, building, or optimizing models related to the above</li></ul>Salary<ul><li>9,000,000 yen - 12,000,000 yen</li></ul>Location<ul><li>Tokyo</li></ul>Reference number : 06940-0013240560 By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi40ODk1MS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-06-09T23:51:45Z

Data and AI Lead

Tokyo,
remote
Permanent
17.0M - 20.0M JPY / Yearly
Company Profile<ul><li>A European company specializes in developing and delivering innovative therapies for rare and severe diseases. It's a leader in addressing complex medical challenges through targeted treatments. It actively partners with healthcare professionals, patient advocacy groups, and authorities to ensure those affected by rare diseases receive timely and effective medical support.</li></ul>The Role<ul><li>Lead the strategy, planning, and execution of data and AI initiatives.</li><li>Design and implement data solutions that support business objectives.</li><li>Manage cross-functional teams and collaborate with internal and external partners.</li><li>Provide expert guidance on data architecture, governance, and analytics.</li><li>Ensure alignment with organizational goals and compliance requirements.</li></ul>Your Skills<ul><li>Minimum 8 years' experience in data engineering, analytics, or AI/ML delivery.</li><li>Strong technical background with experience in cloud platforms, data lakes, and visualization tools.</li><li>Knowledge of data privacy regulations and interoperability standards.</li><li>Proven ability to lead teams and manage complex projects.</li><li>Bachelor's degree in a relevant technical field; advanced degree preferred.</li></ul>Salary<ul><li>17,000,000 yen - 20,000,000 yen</li></ul>Location<ul><li>Tokyo</li></ul>Reference number : 06940-0013236009By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/TGluaC5EYW5nLjI3ODk1LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-06-06T01:31:28Z

Sr Backend Engineer - Build the Future of enterprise AI

Tokyo,
remote
Permanent
10.0M - 15.0M JPY / Yearly
Ready to Shape the Future of Enterprise Data Management? Join a dynamic Tokyo-based technology company that's revolutionizing how Japan's largest enterprises handle their most valuable asset: data. We're seeking an exceptional Principal Backend Engineer to lead our technical excellence while building solutions that directly impact major corporations across Japan. WHY THIS OPPORTUNITY IS SPECIALJoin a Series A funded company with strong market position in enterprise data intelligence. Your work will directly impact how major Japanese corporations make data-driven decisions. Build with a modern tech stack: Go, React, AWS, OpenSearch, DynamoDB. Tackle challenges like scalable metadata systems, real-time data pipelines, and intelligent data discovery algorithms. Solve unique problems combining human collaboration with automated intelligence - creating systems that turn organizational behaviors into actionable insights for enterprise clients. As Principal Engineer, you'll architect cutting-edge solutions while mentoring a growing engineering team, shaping both technology and culture. WHAT YOU'LL DO You'll spearhead the development of our core data intelligence platform, ensuring exceptional quality while leading technical initiatives that serve Japan's most demanding enterprise clients:Drive architectural decisions and maintain excellence standards across our engineering organization Build robust, scalable backend systems using modern technologies including Go, Python, and cloud-native architectures Mentor engineers and foster a collaborative environment where innovation thrives Work closely with product leadership, sales, and customer success teams to ensure our technology meets real business needs Champion best practices that deliver the high-quality, intuitive experiences Japanese enterprise clients expect WHAT WE'RE LOOKING FOR Essential Requirements:10+ years of backend development expertise with proven track record in system architecture 5+ years leading development teams and driving technical excellence Strong experience with enterprise software development from concept to production Proficiency in modern programming languages (Go, Python, Java, or C++ preferred) Business-level English communication skills essential Currently based in Japan or hold a valid Japanese work visaBonus Points:Enterprise client-facing software development experience Data pipeline, analytics, or AI/ML technology background Japanese language capabilities Experience with data management or engineering platforms WHY YOU'LL LOVE WORKING HEREEnjoy hybrid work arrangements with 1-2 days in our conveniently located Tokyo office, plus flexible hours that respect work-life balance. Work in an international environment where all documentation is in English, bringing together diverse perspectives and expertise. Join during a pivotal growth phase where your contributions directly shape company direction and your own professional development. Your work powers critical decisions at some of Japan's most influential corporations, contributing to the country's digital transformation. Be part of a team that values novel approaches and cutting-edge solutions in the rapidly evolving data intelligence field. THE INTERVIEW EXPERIENCE We respect your time with a streamlined process: just two comprehensive interviews focusing on technical expertise and cultural alignment, with no coding tests required. Reference Number: 06940-0013273920By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S2hhbmcuTGUuNzI3NDUuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-05T02:34:23Z

Senior Backend Engineer

Tokyo,
remote
Permanent
10.0M - 16.0M JPY / Yearly
Client Profile: The client is an AI start-up in Tokyo which creates end to end AI/Data solutions to major domestic clients in Japan. We are looking for a senior backend engineer with hands-on development experience of creating AI products and keen interest towards this field. Key Responsibilities: Design & develop core AI product (primarily Python) Build architectures for seamless multi-agent collaboration systems Implement high-performance, scalable multi-tenant runtime environments Optimize for real-time inference in cloud-native settings (GCP/Kubernetes) Collaborate with research teams to productize LLM advancements Technical leadership, process improvement & team mentoring Drive complex feature implementation and system performance optimization Requirements: Bachelor's/Master's in CS, AI, ML, Math, Physics or related 5+ years Python application development 3+ years machine learning (regression, classification, clustering, model evaluation) 3+ years NLP (NLTK, spaCy, Transformers, BERT, GPT fine-tuning) Cloud platforms (AWS/GCP/Azure) & containerization experience Business-level English OR Japanese proficiencySalary 10M - 16M JPYLocation Tokyo Reference Number: 06940-0013273193By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi4zNzA4My4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-08-04T07:35:14Z

Software Engineer

Tokyo,
remote
Permanent
8.0M - 16.0M JPY / Yearly
Company Overview<ul><li>A venture company specializing in data utilization platforms in the social infrastructure domain.</li></ul>Job Description<ul><li>Hiring for a Senior Software Engineer position.</li><li>This role is part of a company dedicated to supporting the transformation of enterprise businesses in the deeply interconnected areas of urban infrastructure, healthcare, and public systems, under the philosophy of "turning data into people's energy."</li><li>You will not only act as a technical expert but also deeply engage with both business and social structures, playing a central role in product development.</li></ul>Attractions of the PositionLeading Social Transformation through Product Development:<ul><li>Engage with businesses and municipalities to address societal issues and contribute to fundamental problem-solving through products.</li></ul>Opportunity to "Socially Implement" Cutting-Edge Technology:<ul><li>Gain hands-on experience integrating the latest tech stacks into actual services, including RAG-based generative AI and AI agents, DataOps, Kubernetes, Apache Pulsar, among others, while setting new industry standards.</li></ul>Team Composition Valuing Expertise and Diversity:<ul><li>Collaborate with experts across data, serving, and infrastructure domains, with opportunities to transverse a wide range of technical fields.</li></ul>Flexible Work Styles and Robust Benefits:<ul><li>With a flexible work system, full remote work options, side job allowance, and extensive leave policies, the environment supports long-term career development.</li></ul>Main Responsibilities (Examples):<ul><li>Design, develop, and improve core functions of the data platform and related systems.</li><li>Batch/streaming processing, data warehouse design, ETL/ELT pipeline construction.</li><li>BFF (Backend for Frontend) and front-end development (React/Next.js), contributing to UX design from a technological perspective.</li><li>Design and operate secure, scalable architectures (AWS, Kubernetes, Terraform, etc.).</li><li>Lead technical initiatives within the team, perform code reviews, and improve quality.</li></ul>Qualifications[Required]:<ul><li>Hands-on development experience in at least one of the following: Java, Kotlin, Python, or TypeScript.</li><li>Experience in end-to-end delivery, from system design to operations.</li><li>At least 3 years of practical experience in data pipeline development and operation.</li><li>Demonstrated technical leadership in a team of medium or larger size.</li></ul>[Preferred]:<ul><li>Experience in data engineering and AI/ML utilization.</li><li>Knowledge of design and operation in container environments such as Kubernetes and Docker.</li><li>Development experience for B2B products or enterprise-focused solutions.</li><li>Ability to abstract and materialize specifications based on business requirements.</li></ul>Location:<ul><li>Tokyo, Japan</li></ul>Salary:<ul><li>8,000,000 - 16,000,000 JPY annual salary.</li></ul>Employment Conditions (Excerpts):<ul><li>Work Style: Discretionary labor system for professional work/full remote optional/side jobs allowed.</li><li>Location: Minato-ku, Tokyo (Directly connected to Toranomon Hills). No transfers.</li><li>Annual Salary Range: Determined flexibly based on experience and skills (upper ranges available).</li><li>Benefits: Book purchase support, "Gacha lunch" subsidy, babysitting support, diverse leave policies, etc.</li><li>Work Equipment: Company-provided PC/development environment customizable by engineers.</li></ul>Reference Number: 06940-0013266171By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuMTEyMTAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-25T06:09:15Z

Site Reliability Engineer (SRE) - Manufacturing AI Platform

Tokyo,
remote
Permanent
8.0M - 11.0M JPY / Yearly
Tokyo, Japan | Remote-First | High-Impact Engineering Build the Future of Manufacturing Technology Join a fast-growing SaaS platform revolutionizing global manufacturing through cutting-edge AI and 3D CAD technology. We're transforming traditional procurement with innovative algorithms that optimize quality, cost, and delivery time across international supply chains. Our rapidly expanding platform serves major manufacturers worldwide, requiring rock-solid reliability as we scale from startup to industry leader. What Makes This Role Exceptional "High-Impact Engineering" Build scalable systems from scratch in a fast-paced startup environment within a 600+ person company Lead reliability initiatives for mission-critical manufacturing platforms processing real transactions Work directly with CTO and engineering leadership in a flat organizational structure Drive technical decisions that directly impact global manufacturing efficiency "Career Acceleration & Global Impact" Rapid career progression in flat organization with system-level project ownership Establish SRE practices and culture from the ground up Work with multinational teams from 15+ countries in English and Japanese Technical meetings conducted bilingually to support international collaboration "Core Responsibilities" Design Google Cloud-based architectures for manufacturing-scale workloads Build robust monitoring and observability systems using Datadog and modern tooling Establish SLI/SLO frameworks and lead incident response procedures Implement Infrastructure-as-Code using Terraform and Kubernetes Optimize CI/CD pipelines with GitHub Actions and ArgoCD Collaborate on microservices architecture using Rust, TypeScript, and Node.js Required Qualifications "Technical Foundation" 7+ years hands-on software development experience Proven SRE team experience or equivalent infrastructure reliability roles Expert-level cloud architecture design and operations (Google Cloud preferred) Production experience with Kubernetes and container orchestration Strong Infrastructure-as-Code practices and CI/CD pipeline development Web application development and production operations background Business-level Japanese communication skills "Valuable Additional Skills" Business-level English proficiency for international collaboration Distributed systems architecture and operations experience Backend development experience with statically-typed languages Advanced monitoring platform experience (Datadog, Prometheus, etc.) Experience building SRE culture within growing organizations SRE leadership experience in 50+ engineer organizations Why Choose Us "Technical Innovation" Work with cutting-edge manufacturing AI and 3D CAD processing technology Contribute to systems handling real manufacturing transactions at global scale Access modern tech stack including Rust, TypeScript, and advanced ML infrastructure Architect solutions for one of Japan's most innovative manufacturing companies"Professional Growth" Establish SRE practices in rapidly growing technology company Lead reliability initiatives for mission-critical manufacturing systems International exposure working with global manufacturing networks Family-friendly policies with 50% of employees being parents Salary: 8M-11MLocation: TokyoReference Number: 06940-0013260805By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S2hhbmcuTGUuMzkzMDEuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-15T07:04:40Z

AI Security Engineer

Yamanashi,
remote
Permanent
9.0M - 13.0M JPY / Yearly
Selling Point Full Remote Client Profile This company delivers advanced security solutions and risk management services to both domestic and international businesses and organizations, leveraging cutting-edge technology and specialized expertise. The Role Engaged in research and development related to AI security, and you will be responsible for a wide range of tasks, from investigative research to the development of products and services. Salary 9,000,000 yen－13,000,000 Location Full Remote Reference Number：06940-0013244585 By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/RmFicml6aW8uRnVtYWdhbGxpLjk4MzAxLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-07-02T06:57:08Z

Full Stack Platform Engineer

Tokyo,
remote
Permanent
8.0M - 12.0M JPY / Yearly
Fullstack Platform Engineer Location: Tokyo (Remote First) Interested in rolling up your sleeves to build an engine behind an AI-powered cybersecurity platform? We're looking for a seasoned Fullstack Platform Engineer to help us process billions of security events in real time, weave in smart analytics, and create clear, data-rich interfaces that keep enterprises one step ahead of complex security threats. What You'll Do -Architect and implement scalable backend services and ETL pipelines (Kafka, ELK) in Rust, Go, Python, and TypeScript. -Collaborate with ML and security teams to embed AI-driven threat detection and optimize system performance for millions of users. -Build responsive front-end dashboards and tools using modern JavaScript frameworks. -Enforce robust security measures (OAuth 2.0, encryption) and compliance with industry standards. -Troubleshoot full-stack issues across cloud-native microservices, containers (Docker/K8s), and observability tools (Datadog, Vector). You Bring -Bachelors in CS or related, with 5+ years in fullstack development. -Proficiency in Rust and familiarity with Go, Python, Java, TypeScript. -Strong cloud, microservices, and database (SQL/NoSQL) experience. -A quick learner, excellent communicator, and a genuine passion for cybersecurity. Why Join Us? Enjoy a collaborative environment, fully remote work arrangements, and a dedicated learning budget for certifications and conferences. Help us push the boundaries of cybersecurity innovation! Salary: 8M - 12MReference Number: 06940-0013251295By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S29qaS5ZYWdpbnVtYS4wMzczMC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-07-02T01:48:45Z

Technical Solution Architect

Tokyo,
remote
Permanent
25.0M - 32.0M JPY / Yearly
Highlight - Drive high-impact global data initiatives that directly shape business strategy and decision-making - Be part of a a company recognized for its innovation in AI-powered decision intelligence - Join during a critical growth phase in Japan, with the opportunity to shape the local team, influence market strategy, and build something lasting from the ground up Company Overview Global AI-driven data technology company, is transforming how organizations use data to drive decisions. Originally focused on fighting financial crime, its platform now powers decision intelligence across various industries. Role You'll lead the technical design and delivery of complex, data-driven systems for enterprise clients. You'll work closely with internal teams and external stakeholders to ensure successful implementations, while also contributing to technical best practices. Key Responsibilities -Design and lead end-to-end solution architectures tailored to client needs - Guide internal teams and act as a trusted technical advisor to enterprise clients - Solve complex data and system integration challenges using modern tech stacks - Contribute to best practice development, mentoring, and technical leadership across teams Required Skills - Strong hands-on experience in technical delivery with coding ability in Spark, Scala, Java, or Python - Deep understanding of software development lifecycle, testing, version control, and design best practices - Expertise in building scalable, secure, and maintainable data-driven solutions - Fluent in both Japanese and English with excellent communication and client-facing skills Location: TokyoSalary: 25M - 32MReferene Number: 06940-0013273942By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/eXVpbmEua2FuYXphd2EuMTIyODcuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-04T08:26:23Z

Android Developer

Tokyo,
remote
Permanent
8.0M - 12.0M JPY / Yearly
Are you passionate about building products that impact hundreds of millions of users? Join a team developing the Android client for one of the most widely used communication apps in Japan and across Asia. This platform is evolving beyond messaging, integrating AI and diverse services to become an essential life platform for daily living. What You'll Do -Collaborate with project managers, UI/UX designers, data scientists, and business stakeholders to design, develop, and enhance Android client features. -Drive stability and performance improvements for an app relied upon daily by millions. -Participate in ongoing codebase improvements, refactoring, and performance optimization. -Contribute to the development environment, including CI automation and code review workflows. -Engage with user feedback to deliver meaningful product enhancements. -Work on a large-scale, mature codebase with opportunities to influence architecture and best practices. Who We're Looking For - Strong communicator in English OR Japanese. - Experience developing native Android applications using Kotlin and Java in a team environment (including code reviews). - Ability to propose and drive improvements across planning, development, and testing processes. - Eager to enhance team productivity through codebase, tooling, or knowledge sharing. - UI/UX design and development experience.Salary - 8 million yen - 12 million yen Location - TokyoReference number:06940-0013256389By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjcyODc2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-07-08T05:29:57Z

Senior Frontend Engineer (Fully Remote, Japan-Based)

Tokyo,
remote
Permanent
7.0M - 10.0M JPY / Yearly
Selling points<Why This Role is Perfect for You><ul><li>Fully Remote Flexibility: Work from anywhere in Japan, with the option to join team sessions at a Tokyo office if you choose-collaboration is encouraged, never mandated.</li><li>Cutting-Edge Product: Shape the frontend for an AI Data Platform used by leading manufacturers. Your work will directly impact how industrial data is leveraged worldwide.</li><li>Modern Tech Stack: TypeScript, React, Apollo, Next.js, WebGL, WebAssembly, and more. Work with the latest tools and frameworks to solve complex, meaningful problems.</li><li>Technical Leadership: Lead technology selection, architectural decisions, and technical strategy for a rapidly scaling product and organization.</li><li>Collaborative, Global Team: Work with passionate engineers from Japan and abroad. English is the main language for many teams, and you'll be part of a diverse, supportive environment.</li><li>Real Impact: Help deliver products that change workstyles and create societal value by transforming industrial structures.</li><li>Professional Growth: Gain experience scaling products globally, solving challenging problems, and contributing to a mission-driven organization.</li></ul>Company Profile<ul><li>Our client is a rapidly growing, product-driven SaaS company, recognized for revolutionizing manufacturing workflows with advanced data and machine learning.</li><li>With a multinational, engineering-centric culture and a strong Tokyo presence, you'll enjoy the freedom of full remote work anywhere in Japan, plus the option to collaborate in a modern Tokyo office for team synergy.</li></ul>The Role<What You'll Do><ul><li>Lead frontend architecture and technology selection for the AI Data Platform and related products.</li><li>Build sustainable, maintainable frontend applications with a focus on long-term operability.</li><li>Rapidly iterate and validate product features, collaborating closely with designers to enhance UI/UX.</li><li>Design and implement reusable UI components and standardize frontend development practices.</li><li>Evaluate and integrate new technologies, frameworks, and middleware as the team scales.</li><li>Provide technical leadership, mentor team members, and align technical strategy with business goals.</li></ul>Your Skills<What You Bring><ul><li>7+ years of hands-on frontend development experience for web applications.</li><li>Advanced proficiency in TypeScript and experience building reusable UI components.</li><li>Proven track record leading technology selection, requirements definition, and frontend architectural design.</li><li>Experience working with modern frameworks (React, Next.js, Apollo, etc.) and familiarity with SSR, CSR, SSG, or PWA is a plus.</li><li>Strong communication skills in English (business-level or above).</li><li>Currently residing in Japan with a valid working visa.</li><li>A mindset aligned with the mission to "unleash the potential of manufacturing," with ownership, positivity, and a collaborative, respectful approach to problem-solving.</li><li>(Preferred) Experience with large-scale service development, backend technologies (Node.js), BFF (GraphQL/Apollo), and optimizing web performance.</li><li>(Preferred) Conversational-level Japanese (N2 or above), as communication is a mix of Japanese and English.</li></ul>Salary<ul><li>7,000,000 yen - 10,000,000 yen</li></ul>Location<ul><li>Tokyo</li></ul>Reference number: 06940-0013211509By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S2hhbmcuTGUuMDg1NDkuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-06-05T05:47:58Z

Technical Architect / Solution Architect

Tokyo,
remote
Permanent
10.0M - 16.0M JPY / Yearly
Job Opening: Staff Engineer / Technical Architect Division: ERP Cross-Functional Engineering / AI Strategy Office Location: Japan (Tokyo preferred; Osaka, Kyoto, Fukuoka also possible) Company Overview A leading Japanese fintech SaaS company providing a wide range of cloud services for individuals and enterprises. Its cloud-based ERP platform is a core offering, supporting accounting, payments, and business operations for mid- to large-sized enterprises. The company operates globally with engineering hubs in Japan and across Asia, and has a diverse international workforce. About the Division The ERP Cross-Functional Engineering Division was created to unify multiple ERP product teams and streamline development across the platform. Products include accounting, accounts payable, and other finance-related services. This division works closely with the AI Strategy Office, which leads efforts to embed AI across products. Together, they define architecture strategy and ensure scalability, reliability, and innovation in ERP and AI-integrated systems. The team is cross-regional and global, with about 250 engineers spread across Japan, India, Vietnam, and other locations. About the Position As a Staff Engineer / Technical Architect, you will play a critical role in shaping the architecture strategy across ERP and AI-integrated initiatives. This is a hands-on expert position (not a managerial role) where you will drive system design, guide teams, and directly contribute to infrastructure and architecture decisions. Responsibilities<ul><li>Define and execute architecture vision and strategy across ERP and AI projects</li><li>Build and lead a cross-product architect community (~10 engineers in the cross-functional unit)</li><li>Provide architectural guidance for ERP products such as accounting and payments</li><li>Mentor engineers on architecture and design practices</li><li>Lead and participate in technical design and code reviews</li><li>Collaborate with Scrum Masters and product teams to align development across multiple products</li><li>Introduce and evolve cloud infrastructure and DevOps practices</li><li>Drive AI integration into ERP systems in collaboration with the AI Strategy Office</li></ul> Required Skills <ul><li>Proven architecture and systems design expertise (distributed systems, domain-driven microservices, migrations/refactors)</li><li>Cloud infrastructure knowledge: AWS/Azure, multi-account design, VPC, IaC, cost optimization</li><li>Hands-on DevOps and infrastructure setup (introducing and leading infra projects, building environments from scratch)</li><li>Solid software development background (PM-only experience not sufficient)</li></ul> Preferred Skills<ul><li>Experience with Ruby (commonly used in ERP teams)</li><li>Security & compliance (zero-trust architectures, compliance frameworks, secret management)</li><li>Observability & reliability engineering (tracing, logging, SLO/SLA, load testing)</li><li>Mentoring and standardizing architecture across teams</li><li>AI development experience or use of AI tools in development</li></ul>Mindset<ul><li>Highly technical and hands-on expert</li><li>Able to balance deep engineering knowledge with pragmatic organizational needs</li><li>Excited about integrating AI into ERP architecture</li><li>Comfortable working in a global, distributed environment</li></ul>Language<ul><li>English: Required (global team communication)</li><li>Japanese: Not required, but helpful</li></ul>Compensation & Conditions<ul><li>Annual Salary: 10M - 16M JPY (target range for ideal candidates: 10M - 15M JPY)</li><li>Bonus: High Performance Bonus (based on evaluation and company performance)</li><li>Employment Type: Permanent employee</li><li>Work Style: Hybrid (min. 2 days/week in office, 3+ encouraged)</li><li>Work Hours: Discretionary Labor System; basic hours 9:30 - 18:30 (flexible)</li><li>Holidays: Weekends, national holidays, paid leave, seasonal leave, year-end/new year holidays</li></ul>Benefits:Full social insurance, housing/moving allowances, rent deduction, health checkups, book purchase support, corporate pension, stock ownership plan, partner service discounts (housekeeping, babysitting, language classes, etc.) Reference Number: 06940-0013282908By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuNTgzNzQuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-20T01:32:17Z

Software Engineer

Tokyo,
remote
Permanent
7.0M - 12.0M JPY / Yearly
<h2 data-start="77" data-end="134">Join Us in Building the Future of Security Learning</h2>We are developing a system that enables people to efficiently and practically gain security knowledge, by personalizing learning based on each individual's skill level and activity history. Our engineering-driven team is at the heart of this initiative, creating impactful products that make real-world learning more effective.We're now looking to welcome two new engineers to the core development team driving this mission forward.<hr data-start="582" data-end="585" /><h2 data-start="587" data-end="623">Open Positions (1 person each)</h2><h3 data-start="625" data-end="666">① Backend & Infrastructure Engineer</h3>You'll be responsible for building and operating a robust, scalable, and secure infrastructure to support our product-mainly using Python and AWS.<h3 data-start="819" data-end="877">② Product Engineer (Feature & User Experience Focus)</h3>You'll work closely with the PdM and designers to create valuable features from scratch, building experiences that directly improve how users learn and grow.<hr data-start="1041" data-end="1044" /><h2 data-start="1046" data-end="1064">Why Join Us?</h2><h3 data-start="1066" data-end="1106">High autonomy in a close-knit team</h3>A nimble team structure where you can take initiative and focus deeply on development.<h3 data-start="1195" data-end="1235">Fully remote & flexible work style</h3>Work from anywhere, anytime. The only in-person requirement is for occasional team events.<h3 data-start="1328" data-end="1358">A learning-first culture</h3>We actively support continuous learning with book and exam subsidies, regular internal tech talks, and study groups.<h3 data-start="1481" data-end="1543">Real impact in the growing field of Security × Education</h3>You'll build a product that contributes directly to society, while expanding both your technical expertise and domain perspective.<hr data-start="1680" data-end="1683" /><h2 data-start="1685" data-end="1713">What We're Looking For</h2>We welcome candidates with the following skills and experience:<ul data-start="1784" data-end="2061"><li data-start="1784" data-end="1827">4+ years of web application development</li><li data-start="1828" data-end="1882">Backend experience in Python or TypeScript</li><li data-start="1883" data-end="1924">2+ years of development using AWS</li><li data-start="1925" data-end="2012">1+ year of experience with IaC tools like Terraform, CloudFormation, or Ansible</li><li data-start="2013" data-end="2061">Experience working in Agile or Scrum teams</li></ul>Experience in security or education is not required-but curiosity and a willingness to learn are highly valued!<hr data-start="2178" data-end="2181" /><h2 data-start="2183" data-end="2211">🛠 Our Tech Stack & Tools</h2>Languages & Frameworks Python (Django, DRF), TypeScript (Next.js, React)Infrastructure AWS (ECS, Lambda, CloudFormation, ECR), Terraform, DockerDatabase & Others PostgreSQL, Redis, Elasticsearch, GitHub Actions, SentryAI / LLM Azure OpenAITools We Use Slack, Miro, Figma, ChatGPT, Gather, Cursor, etc.<hr data-start="2554" data-end="2557" /><h2 data-start="2559" data-end="2580">Work Conditions</h2><ul data-start="2582" data-end="3213"><li data-start="2582" data-end="2643">Employment type: Full-time (4-month probation period)</li><li data-start="2644" data-end="2708">Annual salary: ¥7M-¥12M (based on experience and skills)</li><li data-start="2709" data-end="2798">Work style: Fully remote by default (with a Tokyo office), flexible working hours</li><li data-start="2799" data-end="2928">Time off: Weekends, national holidays, year-end/New Year, summer break, paid leave, and special leave (e.g., bereavement)</li><li data-start="2929" data-end="3213">Benefits:<ul data-start="2949" data-end="3213"><li data-start="2949" data-end="2974">Full social insurance</li><li data-start="2977" data-end="3009">Transportation reimbursement</li><li data-start="3012" data-end="3071">Annual health check (support for full medical checkups)</li><li data-start="3074" data-end="3108">Certification/learning support</li><li data-start="3111" data-end="3142">Internal recognition system</li><li data-start="3145" data-end="3178">Childcare and nursing support</li><li data-start="3181" data-end="3213">Stock ownership plan, and more</li></ul></li></ul> Reference Number: 06940-0013263495By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuNTg3MDAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-18T00:10:25Z

Senior Platform Engineer

Tokyo,
remote
Permanent
9.0M - 12.0M JPY / Yearly
Selling points<ul><li>Drive innovation: The Product, Platform & Engineering team designs, builds, and manages our core platforms.</li><li>Global collaboration: Work with top engineering teams from around the world in a diverse and highly skilled team.</li><li>Cross-functional teamwork: Collaborate with sales, product, engineering, and operations to build, test, launch, and improve data products.</li><li>Growth potential: As the team expands, you'll have the chance to step up as a team leader.</li></ul>Company Profile<ul><li>My client is a leader in digital media and performance marketing, specializing in personalized advertising and promotions for consumer-packaged goods brands, retailers, and agencies. They help stores and brands learn what shoppers like by looking at what people buy.</li></ul>The Role<ul><li>In this role, you'll enjoy the challenge of improving platforms for apps, data, and AI, helping shape the technology that drives our business forward in Japan. You'll design cloud solutions, lead DevOps and DataOps teams, and make sure our platforms are reliable, scalable, and always getting better. You'll collaborate with various teams to solve complex challenges exploring and experimenting with new ideas. Whether troubleshooting, automating tests, setting standards, or guiding teams, your work directly shapes how our products grow and please customers.</li></ul>Your Skills<ul><li>If you're passionate about building great software that helps businesses grow, this could be your ideal next step. We're looking for someone with over six years of hands-on experience with cloud platforms (Microsoft Azure is a must) along with DevOps, Java, Kubernetes, and both SQL and NoSQL databases. You should be comfortable working across the entire tech stack and have experience with big data, microservices, APIs and automated testing as well as collaborating in Agile environments across global teams.</li></ul>Salary<ul><li>9,000,000 yen - 12,000,000 yen</li></ul>Location<ul><li>Tokyo</li></ul>Reference number: 06940-0013238708By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/S29qaS5ZYWdpbnVtYS41ODcxMS4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-06-05T06:22:35Z

Technical Leader / Principal Backend Engineer

Tokyo,
remote
Permanent
10.0M - 12.0M JPY / Yearly
【Principal Backend Engineer】We are looking for a technical leader to play a central role in a fast-growing SaaS product!<ul><li>A fast-growing enterprise SaaS product that is being adopted by major companies. We are looking for a Principal Backend Engineer to lead the backend development and raise the team's technical capabilities and quality.</li><li>This is not just a "development lead," but a position where you can make decisions and exert influence across the three axes of technology, business, and organization.</li></ul>Selling points<ul><li>Technology and design decision-making authority to support mid- to long-term product growth</li><li>Bilingual engineering organization at the intersection of local and global</li><li>Deep involvement in strategy with an understanding of both product development and business</li><li>Flexible work style with flextime and remote work OK</li></ul>The Role<ul><li>Develop and improve back-end functionality and design reviews for our SaaS products</li><li>Improve code quality and design capabilities of the entire team and build a review culture</li><li>Technical and strategic collaboration with stakeholders (product, sales, support)</li><li>Lead high-quality localization for the Japanese market</li><li>Improve development process, Team development, formulation of design guidelines</li><li>Make and lead decisions with a mid- to long-term perspective, including technology selection and infrastructure design</li></ul>Technology Stacks<ul><li>Front-end: React, Remix, Tailwind CSS</li><li>Back-end: Go (Goa), Python</li><li>Infrastructure and CI/CD: AWS, GCP, Azure, Vercel, Terraform Cloud, GitHub</li><li>Database: DynamoDB,. OpenSearch, Databricks</li><li>Authentication infrastructure: Auth0, Amazon Cognito</li><li>Knowledge and documentation: Notion, Google Workspace</li><li>Communication: Slack, Linear</li></ul>Required Skills and Experience<ul><li>10+ years of back-end development experience (working experience in Go or Python preferred)</li><li>5+ years of experience leading development teams (including code review, design guidance, and training)</li><li>2+ years of practical communication (spoken and written) in English</li></ul>Welcomed Skills and Knowledge<ul><li>Experience developing and operating enterprise software products</li><li>Experience utilizing Japanese natural language processing, search algorithms, and AI technologies</li><li>Deep knowledge of data infrastructure design, ETL, and data governance</li></ul>What we look for in a person<ul><li>You can focus on the success and growth of the team as much as your own achievements</li><li>You want to be involved in the product from both a technical and business perspective</li><li>You have the flexibility to enjoy the speed and change unique to startups</li><li>You are interested in the future of BtoB SaaS and enterprise data in Japan</li><li>You find a mission-driven environment challenging You are interested in the future of BtoB SaaS and enterprise data in Japan.</li></ul>Work Environment<ul><li>Working hours: Full remote available (hybrid system with option to come in 1-3 days a week)</li><li>Office location: Minato-ku, Tokyo (Hamamatsucho area)</li><li>Employment status: Full-time</li><li>Working hours: Flextime system (core hours 11:00-15:00)</li><li>Holidays: Weekends, holidays, annual paid vacation, special leave upon hire</li></ul>Reference number：06940-0013260019By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuMTgyNDAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-15T02:28:59Z

UX lead

Tokyo,
remote
Permanent
9.0M - 12.0M JPY / Yearly
UX Lead - Data Intelligence Company | Tokyo Lead user experience for Japan's premier retail analytics platform We're seeking an experienced UX professional to drive product strategy and user research for our fast-growing data intelligence company. Transform massive consumer datasets into exceptional user experiences that impact Japan's retail landscape. What You'll Do: -Lead UX strategy and user research initiatives -Design customer journeys and optimize user flows -Collaborate with Product and Engineering teams -Drive measurable UX improvements across platforms Requirements: -3+ years UX design experience -Strong user research and validation skills -Cross-functional collaboration experience -Fluent in Japanese proficiency -Interest in Product Management (preferred) Reference Number:06940-0013273911By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjI2NDg5LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
2025-08-05T01:39:59Z

SDET(Software Development Engineer in Test)

Fukuoka,
remote
Permanent
6.5M - 10.0M JPY / Yearly
SDET (Software Development Engineer in Test) - Cashless Business Platform (Fukuoka / Hybrid) Only applicants currently residing in Japan with valid working visas will be considered. We are hiring a Software Development Engineer in Test (SDET) to support the quality and reliability of a growing cashless payment platform for businesses. This product enables companies to streamline expense management using real and virtual business cards, supporting operational efficiency and digitization. This role is based at our Fukuoka development center, which plays a central role in service expansion. Candidates must be willing to work onsite multiple days per week under our hybrid work model. We are also offering a UI-turn relocation support program, including a relocation allowance of up to ¥500,000 for eligible engineers moving to Fukuoka (conditions apply). Key Responsibilities:<ul><li>Design and implement automated test scripts for both functional and non-functional testing</li><li>Execute API tests using real environments (no mock)</li><li>Build and maintain test pipelines within CI/CD</li><li>Plan and refine test strategies aligned with product goals</li><li>Review code and test cases, covering edge scenarios</li></ul>Minimum Requirements:<ul><li>3+ years of experience in either software development or automated testing with scripting languages</li><li>Interest in quality assurance and test automation</li><li>Conversational Japanese (N3 level or equivalent; tools allowed for internal communication)</li><li>Business-level English (TOEIC 700+ or equivalent); capable of participating in English meetings and documentation from day one</li></ul>Preferred:<ul><li>Degree or equivalent knowledge in computer science or information engineering</li><li>Experience writing high-precision test specifications</li><li>Familiarity with AI development or AI tools used to improve engineering workflows</li></ul>Tech Stack:<ul><li>Backend: Ruby on Rails</li><li>Frontend: Next.js, Redux, TypeScript, Apollo Client, Jest</li><li>Database: MySQL (Aurora)</li><li>Infrastructure: AWS, Docker, nginx, Redis, Terraform</li><li>CI/CD: CircleCI, GitHub Actions</li><li>Monitoring: DataDog, Rollbar</li><li>Communication: Slack / Jira</li></ul>Workstyle & Benefits:<ul><li>Hybrid work model (minimum 2 office days/week required)</li><li>Working hours: 9:30-18:30 (flexible under discretionary labor system)</li><li>Relocation support for UI-turn to Fukuoka</li><li>Support for devices, books, and conference participation</li><li>Comprehensive benefits: insurance, stock plan, pension, housing assistance, and more</li></ul>Ref No.: 06940-0013264320By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuMjI0NzAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-18T03:38:57Z

Backend Engineer

Tokyo,
remote
Permanent
8.5M - 10.0M JPY / Yearly
Company Profile[Backend Engineer] Seeking a core member to support the growth of our enterprise SaaS product! We are a leading data intelligence platform that is being adopted by major Japanese companies one after another. We are looking for a Backend Engineer to support the quality of our SaaS product, which is the core of our SaaS product, and help it evolve further.Although we are a fast-growing startup, we have already developed and provided products that have been implemented by many enterprise customers, including prime listed companies. This is an ideal field for those who want to focus on "quality" as an engineer, and for those who seek both the speed and professionalism of a startup. Selling points<ul><li>The value of being a Japanese engineer who is serious about usability for Japanese users</li><li>Collaboration with a global team where English is the common language</li><li>Work on the core of product development and experience continuous improvement and growth</li><li>Full Remote / Work from home Full remote or in-coming options. Flexible work style and a culture based on trust.</li></ul>The Role<ul><li>Development and improvement of back-end functionality with a focus on Golang</li><li>Localization proposals and implementation for an intuitive and easy-to-understand UX for Japanese users</li><li>Collaboration with other teams (front-end, PM, etc.) and technical documentation</li><li>Active participation in technical discussions and improvement proposals within the team</li><li>Implementation and review with high code quality in mind</li></ul>Technology Stacks<ul><li>Frontend: React, Remix, Tailwind CSS</li><li>Backend: Go (Goa framework)</li><li>Infrastructure: AWS, Vercel, Terraform Cloud</li><li>Authentication: Auth0, Cognito</li><li>Database: DynamoDB, OpenSearch</li><li>CI/CD: GitHub</li><li>Communication: Slack, Linear, Notion</li></ul>Required Skills<ul><li>Back-end development experience: 3+ years (working experience with Golang a plus)</li><li>Experience working in English (including speaking, reading and writing): 2+ years</li></ul>Skills and Experience<ul><li>Implementation of Japanese search functionality (e.g. Elasticsearch)</li><li>Knowledge of data management, analysis, and engineering</li><li>Experience developing and operating BtoB SaaS products</li><li>Experience working in a startup environment</li><li>Computer science degree</li></ul>We welcome people like this<ul><li>People who value teamwork and can take initiative</li><li>People who want to provide great value to society through Japan's first SaaS product</li><li>People who enjoy the discretion and speed of a startup</li><li>People who are excited about the future of enterprise data management</li><li>People who share our mission and vision You are excited about the future of enterprise data management You share our mission and vision</li></ul>Location<ul><li>In principle, remote work (in Japan)</li><li>Office work in Hamamatsucho, Minato-ku, Tokyo (nearest: Hamamatsucho Station) is also possible if desired.</li></ul>Reference number：06940-0013260015By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuODE1MDUuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-15T01:56:53Z

Software Engineer

Tokyo,
remote
Permanent
8.0M - 8.0M JPY / Yearly
<h3 data-start="179" data-end="203">Job Responsibilities</h3><ul data-start="205" data-end="932"><li data-start="205" data-end="286">Collaborate with the development team to create innovative software solutions</li><li data-start="287" data-end="387">Participate in technical decision-making, including framework and programming language selection</li><li data-start="388" data-end="462">Share expertise on selected technologies and development architectures</li><li data-start="463" data-end="549">Provide support for product development and implement in-house technical solutions</li><li data-start="550" data-end="626">Develop and manage high-performance systems, databases, and applications</li><li data-start="627" data-end="688">Create high-level APIs and write clear, maintainable code</li><li data-start="689" data-end="756">Test software to ensure functionality, quality, and performance</li><li data-start="757" data-end="824">Troubleshoot, debug, and upgrade existing software as necessary</li><li data-start="825" data-end="882">Apply best practices for security and data protection</li><li data-start="883" data-end="932">Produce comprehensive technical documentation</li></ul><h3 data-start="934" data-end="961">Development Environment</h3>Languages: Java, Kotlin, JavaScript, TypeScript, Go, C#, etc. Frameworks: Spring, Vue.js, Nuxt.js, .NET Framework, etc. Infrastructure: AWS, GCP, AzureTeam Structure: Project teams typically consist of 5-8 members, including members from client development teams. Each team is supported by at least one highly skilled senior engineer to promote skill development through pair programming and other collaborative practices. This role emphasizes long-term development beyond simple coding tasks.<h3 data-start="1484" data-end="1508">Development Approach</h3>Our approach emphasizes agile development, moving away from the traditional waterfall methodologies commonly used in Japan's financial industry. Most projects begin at the upstream stage through direct contracts, allowing high flexibility in defining "what to build." You will work closely with the client's development team to discuss and decide on technology choices. Responsibilities cover the entire software development lifecycle, including requirements analysis, design, implementation, testing, deployment, and delivering the solution to users.<h3 data-start="2063" data-end="2090">Required Qualifications</h3><ul data-start="2092" data-end="2410"><li data-start="2092" data-end="2252">Experience with one or more of the following frameworks or languages:<ul data-start="2166" data-end="2252"><li data-start="2166" data-end="2191">Spring (Java or Kotlin)</li><li data-start="2194" data-end="2222">Vue.js, Nuxt.js, or Quasar</li><li data-start="2225" data-end="2229">Go</li><li data-start="2232" data-end="2252">C# .NET, ASP.NET</li></ul></li><li data-start="2253" data-end="2329">Minimum 3 years of experience in software engineering or a related field</li><li data-start="2330" data-end="2410">For non-Japanese nationals: Business-level Japanese proficiency (N2 or higher)</li></ul><h3 data-start="2412" data-end="2440">Preferred Qualifications</h3><ul data-start="2442" data-end="2685"><li data-start="2442" data-end="2513">Hands-on experience with cloud platforms such as AWS, GCP, or Azure</li><li data-start="2514" data-end="2579">Proven experience working in a collaborative team environment</li><li data-start="2580" data-end="2618">Conversational English proficiency</li><li data-start="2619" data-end="2685">Participation in product development from the conceptual stage</li></ul><h3 data-start="2687" data-end="2714">Ideal Candidate Profile</h3><ul data-start="2716" data-end="2786"><li data-start="2716" data-end="2786">Excellent communication skills and a strong commitment to teamwork</li></ul><h3 data-start="2788" data-end="2808">Example Projects</h3>Development of APIs for Financial Services Frontend: TypeScript / Angular / Ionic Backend: Go, Kotlin / Spring Authentication: OAuth 2.0 / OpenID Connect / FAPIIn-House Payment System Development for Retailers Backend: Go, Java Infrastructure: GCP, Kubernetes (GKE), microservicesDevelopment of Online-Only Financial Services for Major Institutions Frontend: TypeScript / Vue.js Backend: C# / .NET Core, ASP.NET Authentication: OAuth 2.0Modernization of Core Banking Systems Backend: Java / Kotlin Spring Infrastructure: Azure / GCP (multi-cloud) Reference Number: 06940-0013244624By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c3VlLnRpbmcuNTA4NzUuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-07-04T05:06:21Z

Software Engineer (Python)

Tokyo,
remote
Permanent
8.0M - 12.0M JPY / Yearly
About this role:<ul><li>Design, develop, test, and maintain scalable software applications</li><li>Collaborate with cross-functional teams including product, design, and QA</li><li>Participate in code reviews and ensure adherence to coding standards</li><li>Contribute to architectural decisions and technical design discussions</li><li>Implement CI/CD pipelines and automate deployment processes</li><li>Monitor system performance and troubleshoot production issues</li></ul>** Our engineer team is very international, but during interview you are expected to speak both in English and Japanese Responsibilities:<ul><li>Proficiency in Python (Django), JavaScript, and TypeScript (React.js)</li><li>Experience working with a cloud platform (preferably Microsoft Azure)</li><li>Passionate about leveraging AI to accelerate innovation, streamline processes, and drive transformative outcomes across the organization</li><li>Strong problem-solving skills and adaptability in dynamic environments</li><li>Good communication and collaboration skills across teams</li><li>Exposure to Agile/Scrum development methodologies</li><li>Experience with API design and integration (REST, GraphQL)</li></ul>Salary8M - 12M JPYLocation Tokyo Reference Number: 06940-0013283726By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/TmFuY3kuWXVhbi40NDQ1Mi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
2025-08-20T07:29:48Z

Senior Software Engineer (Open to Any Language)

Tokyo,
remote
Permanent
8.0M - 15.0M JPY / Yearly
Senior Software Engineer (All Languages Welcome: Python, Java, Go, etc.) Drive critical projects and solve complex technical challenges at scale. We care more about your architectural thinking, problem-solving skills, and real-world experience than any single programming language. If you're a senior engineer ready to work with a diverse team and open to learning new tools, let's talk! 🌟 WHY THIS OPPORTUNITY IS EXCEPTIONAL Pioneer next-generation financial systems - from core banking modernization to cashless payment platforms that impact millions of users daily Work with bleeding-edge tech stack including cloud-native solutions, mobile technologies, and generative AI integration in financial services Shape products from concept to production - join projects at the proof-of-concept stage and influence architectural decisions from day one Agile development in traditional finance - break industry norms by implementing modern development practices in Japan's conservative financial sector Small, high-impact teams (5-8 members) with dedicated senior engineers providing mentorship and pair programming opportunities Direct client collaboration on requirements definition and system design, not just implementation work 💻 WHAT YOU'LL BUILD Design and implement API-first financial solutions for third-party integrations using OAuth 2.0/OpenID Connect/FAPI standards Develop microservices architectures on GCP/AWS/Azure for scalable payment processing systems Create modern web applications using TypeScript, Vue.js, and mobile-first approaches with Ionic Build core banking system modernization projects using Java/Kotlin Spring and multi-cloud infrastructure Implement security-first development practices for financial-grade data protection Write comprehensive technical documentation and knowledge transfer to global team members 👩‍💻 WHO WE'RE SEEKING Essential Experience: 7+ years as a software engineer with proven track record in production systems Hands-on expertise in one or more: Java, Go, Kotlin, C#, Javascript, Typescript, Python etc. Cloud platform experience with AWS, GCP, or Azure Team development experience with version control and collaborative workflows Conversational English for international team communication Experience building products from conception stage through full development lifecycle 🎯 WHAT'S IN IT FOR YOU Accelerated career growth through diverse project exposure across multiple technology stacks High social impact work improving Japan's financial infrastructure and promoting cashless society adoption Multicultural engineering environment with global perspectives and cross-cultural collaboration skills End-to-end ownership from architecture design through deployment and user delivery Technology exploration opportunities to expand beyond your current programming language expertise Mentorship from senior engineers in small team settings with personalized skill developmentReference No. : 06940-0013273964By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice <a href="https://www.roberthalf.com/jp/en/privacy">https://www.roberthalf.com/jp/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as such as race, beliefs, social status, medical history or criminal record) as we do not collect your sensitive personal data at this time.<hr />お客様が「今すぐ応募」ボタンをクリックすることにより、ロバート・ハーフ（以下、当社）がお客様の応募内容を処理し、求人情報を今後随時ご連絡する目的で個人情報を使用することに明示的に同意ただいたこととなります。当社による個人情報の処理方法、またお客様自身の個人情報へのアクセスおよびその訂正に関する詳細については、プライバシー規約（<a href="https://www.roberthalf.com/jp/ja/privacy">https://www.roberthalf.com/jp/ja/privacy</a>）をお読みください。当社は、要配慮個人情報はお預かりしておりませんので人種、信条、社会的身分、病歴、犯罪の経歴など、取扱いに特に配慮を要する個人情報は、ご提出いただく職務経歴書・レジュメ等に含めないようお願いいたします。<img src="https://counter.adcourier.com/c3VlLnRpbmcuMzUxMTguMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
2025-08-05T06:45:19Z