<p>Fullstack Platform Engineer<br />Location: Tokyo (Remote First)<br /><br />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.<br /><br />What You'll Do<br />-Architect and implement scalable backend services and ETL pipelines (Kafka, ELK) in Rust, Go, Python, and TypeScript.<br />-Collaborate with ML and security teams to embed AI-driven threat detection and optimize system performance for millions of users.<br />-Build responsive front-end dashboards and tools using modern JavaScript frameworks.<br />-Enforce robust security measures (OAuth 2.0, encryption) and compliance with industry standards.<br />-Troubleshoot full-stack issues across cloud-native microservices, containers (Docker/K8s), and observability tools (Datadog, Vector).<br /><br />You Bring<br />-Bachelors in CS or related, with 5+ years in fullstack development.<br />-Proficiency in Rust and familiarity with Go, Python, Java, TypeScript.<br />-Strong cloud, microservices, and database (SQL/NoSQL) experience.<br />-A quick learner, excellent communicator, and a genuine passion for cybersecurity.<br /><br />Why Join Us?<br />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!</p><p> </p><p>Salary: 8M - 12M</p><p>Reference Number: 06940-0013251295</p><p><em>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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/S29qaS5ZYWdpbnVtYS4wMzczMC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<p><strong>Client Profile:<br /></strong>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.<br /><br /><strong>Key Responsibilities:</strong><br />Design & develop core AI product (primarily Python)<br />Build architectures for seamless multi-agent collaboration systems<br />Implement high-performance, scalable multi-tenant runtime environments<br />Optimize for real-time inference in cloud-native settings (GCP/Kubernetes)<br />Collaborate with research teams to productize LLM advancements<br />Technical leadership, process improvement & team mentoring<br />Drive complex feature implementation and system performance optimization<br /><br /><br /><strong>Requirements:</strong><br />Bachelor's/Master's in CS, AI, ML, Math, Physics or related<br />5+ years Python application development<br />3+ years machine learning (regression, classification, clustering, model evaluation)<br />3+ years NLP (NLTK, spaCy, Transformers, BERT, GPT fine-tuning)<br />Cloud platforms (AWS/GCP/Azure) & containerization experience<br />Business-level English OR Japanese proficiency</p><p><strong>Salary</strong><br />10M - 16M JPY</p><p><strong>Location</strong><br />Tokyo</p><p> </p><p>Reference Number: 06940-0013273193</p><p><em>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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/TmFuY3kuWXVhbi4zNzA4My4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<p data-start="142" data-end="258"><strong data-start="173" data-end="183">Salary</strong>: ¥1,200,000<br data-start="195" data-end="198" /> <strong data-start="198" data-end="210">Location</strong>: Tokyo<br data-start="217" data-end="220" /> <strong data-start="220" data-end="237" data-is-only-node="">JO</strong>:06940-0013209960</p><p data-start="260" data-end="282"><strong data-start="260" data-end="279">Job Description</strong>:</p><ul data-start="283" data-end="673"><li data-start="283" data-end="346"><p data-start="285" data-end="346">Develop and maintain iOS apps for consumer-facing services.</p></li><li data-start="347" data-end="425"><p data-start="349" data-end="425">Implement new features and optimize existing ones based on business needs.</p></li><li data-start="426" data-end="482"><p data-start="428" data-end="482">Manage app submissions and updates to the App Store.</p></li><li data-start="483" data-end="563"><p data-start="485" data-end="563">Ensure stable operation through performance monitoring and issue resolution.</p></li><li data-start="564" data-end="619"><p data-start="566" data-end="619">Continuously improve code quality and architecture.</p></li><li data-start="620" data-end="673"><p data-start="622" data-end="673">Keep up with new tech trends and framework updates.</p></li></ul><p><em>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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/VmljdG9yaWFSeW8uNjU5NjIuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<p><strong>KEY REQUIREMENTS</strong></p><ul><li>Japanese N3 level or above required</li><li>3+ years application development experience using COBOL or JAVA/JS</li><li>3+ years database application development experience (any type)</li><li>Flexible thinking without being fixated on specific business domains or technologies</li><li>Understanding of user-side operations and ability to cooperate actively</li><li>Can handle everything from requirements definition to coding and testing</li></ul><p><strong>PRODUCT/PROJECT/TEAM</strong></p><ul><li>Products/Projects: Digital transformation initiatives for paperless operations, labor-saving measures, and automation. System modifications across various business domains including underwriting, policy management, claims payment, agent management, and data infrastructure.</li><li>Tech Stack/Tools: Multiple environments - YPS/COBOL on Linux/OpenFrame, COBOL on IBM i (AS/400), Java/JavaScript with Spring Boot on Azure. Tools include Oracle, SQL Server, ETL, ESB, HULFT, JP1, ListWorks, FORM.</li><li>Team Structure: IT Service Delivery Departments 1-3, total organization size 50-60 people. Different departments handle different business domains (operations, agent management, open systems).</li><li>Work Style: Waterfall and Agile development methodologies. Hybrid work system with office/remote flexibility.</li></ul><p><strong>CHARACTER & CULTURE</strong></p><ul><li>Company: Customer-led and tech-enabled approach. Values include sharing corporate values, thinking outside the box, taking on challenges, and executing what they believe is right. Vision of changing the way people feel about insurance.</li><li>Team: Cooperative environment where team members actively promote initiatives together. Flexible career design possible with paths toward both management and specialist roles. Job Posting system allows internal applications across the company.</li></ul><p><strong>Location </strong></p><p>Tokyo</p><p><strong>Salary</strong></p><p>5 - 10 million yen</p><p> </p><p>Reference Number: 06940-0013293972</p><p><em>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" 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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/bWljaGFlbC5oYWdlZG9ybi4zNjYwNi4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<p>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.<br /><br />What You'll Do<br /><br />-Collaborate with project managers, UI/UX designers, data scientists, and business stakeholders to design, develop, and enhance Android client features.<br />-Drive stability and performance improvements for an app relied upon daily by millions.<br />-Participate in ongoing codebase improvements, refactoring, and performance optimization.<br />-Contribute to the development environment, including CI automation and code review workflows.<br />-Engage with user feedback to deliver meaningful product enhancements.<br />-Work on a large-scale, mature codebase with opportunities to influence architecture and best practices.<br /><br />Who We're Looking For<br /><br />- Strong communicator in English OR Japanese.<br />- Experience developing native Android applications using Kotlin and Java in a team environment (including code reviews).<br />- Ability to propose and drive improvements across planning, development, and testing processes.<br />- Eager to enhance team productivity through codebase, tooling, or knowledge sharing.<br />- UI/UX design and development experience.</p><p>Salary<br />- 8 million yen - 12 million yen</p><p><br />Location<br />- Tokyo</p><p>Reference number:06940-0013256389</p><p><em>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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjcyODc2LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
<p><strong>Company Profile</strong></p><ul><li>Our client provides an integrated digital platform centered around power services.</li></ul><p><strong>The Role</strong></p><ul><li>Based on your experience, you will be responsible for leading the following operations:</li></ul><p>Data Infrastructure Development & Operations</p><ul><li>Designing, operating, and optimizing data lake/pipeline in an AWS × Databricks environment.</li><li>Operating and optimizing performance of ETL/ELT using tools like Fivetran.</li><li>Designing databases and tuning structures based on business requirements.</li></ul><p>Enhancing Operational Stability and Reliability</p><ul><li>Performance improvements for various databases and automating data quality management (quality checks, alert design, etc.).</li><li>Collaborating with the Data Governance Team to improve reliability.</li></ul><p>CI/CD and Operational Automation</p><ul><li>Automating CI/CD workflows and pipelines.</li><li>Designing and implementing data engineering standards.</li></ul><p>Solving Technical Issues & Knowledge Sharing</p><ul><li>Analyzing and resolving technical issues in the data infrastructure.</li><li>Mentoring young engineers and sharing best practices.</li></ul><p><strong>Applicable Technology Stack</strong></p><ul><li>Cloud: AWS (general), Databricks, Fivetran, Workato.</li><li>Languages: Python, SQL.</li><li>Databases: MySQL, PostgreSQL, NoSQL databases.</li><li>Visualization: Tableau.</li><li>Monitoring: Datadog, PagerDuty.</li><li>Others: Slack, Backlog, TreasureData, Salesforce, ChatGPT Teams, GitHub Copilot.</li></ul><p><strong>Your Skills </strong></p><p>Required Experience & Skills:</p><ul><li>10+ years of professional experience as a Data Engineer, or Infrastructure/DB/Backend Engineer.</li><li>Experience in building and operating data stores and data integration systems on AWS.</li><li>SaaS utilization for data processing/data lake operations.</li><li>Proven track record in database tuning and performance improvement.</li><li>Strong communication skills to conduct business in Japanese.</li><li>Knowledge equivalent to AWS Solutions Architect - Professional certification.</li></ul><p>Preferred Skills:</p><ul><li>Databricks-related certifications or cloud qualifications.</li><li>Experience with data governance/quality management tools (e.g., Great Expectations, Apache Atlas).</li><li>CDMP certification.</li><li>Development experience in web/mobile applications (using Python or JavaScript).</li><li>Ability to read and write technical documentation in English</li></ul><p><strong>Career Path </strong></p><p>You can develop a diverse career, including:</p><ul><li>Leading company-wide data strategies as a Data Architect.</li><li>Becoming a professional specializing in operations and maintenance.</li><li>Transitioning to mentoring young professionals or team management.</li><li>Flexible and tailored career support based on your aspirations and strengths.</li></ul><p><strong>Location </strong></p><p>Tokyo</p><p><strong>Salary</strong></p><p>9 - 12 million yen</p><p><strong>Working Environment</strong></p><ul><li>Working hours: 9:00 - 18:00 (Flextime available).</li><li>Holidays: Full two-day weekends (Saturday and Sunday), public holidays, over 124 annual holidays.</li><li>Benefits: Childcare support, club activities, company events, stock option plans, employee discount on electricity bills, etc.</li><li>Skill Development Support: Tech blog publishing, study sessions, external training subsidies, and company power plant visit tours.</li></ul><p> </p><p>Reference Number: 06940-0013260038</p><p><em>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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuMDcxODMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<p><strong>Software Engineer - Data Platform</strong></p><p><strong>About the Role</strong><br />We are seeking a software engineer to join the data platform team. In this role, you will design, develop, and maintain critical systems that enable our data ingestion and processing pipelines. You will leverage modern cloud-based technologies to ensure that our data infrastructure remains secure, efficient, and highly reliable.</p><p><strong>Key Responsibilities</strong></p><ul><li>Develop and maintain robust data ingestion pipelines capable of processing large-scale datasets.</li><li>Collaborate closely with the Security and Privacy teams to ensure compliance with relevant standards and regulations.</li><li>Conduct integration, end-to-end, and load testing to identify and resolve issues in data pipelines.</li><li>Use observability tools to monitor production systems, setting up alerts and tracking their performance effectively.</li><li>Troubleshoot and resolve bugs and performance bottlenecks within data processing systems.</li></ul><p><strong>What We're Looking For</strong></p><ul><li>Proficiency in programming with Kotlin or Java.</li><li>Experience with cloud technologies (e.g., AWS), microservices, and event-driven distributed system architectures.</li><li>Strong database expertise, including SQL, relational databases, and NoSQL solutions.</li><li>Familiarity with data streaming tools such as AWS Kinesis, Kafka, Flink, or Spark.</li><li>Hands-on experience with Snowflake for data warehousing.</li><li>A solid understanding of monitoring, troubleshooting, and performance optimization for production systems.</li></ul><p> </p><p>Reference No.: 06940-0013272616</p><p><em>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" 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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/V2lsbC5GaXRjaC41NDcxNC4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<p>■Job Description</p><ul><li data-start="40" data-end="202"><p data-start="42" data-end="202">Plan, manage, coordinate, and execute all procurement activities for raw materials and supplies necessary to respond to medium-term changes in product supply.</p></li><li data-start="203" data-end="334"><p data-start="205" data-end="334">Work closely with manufacturing partners to optimize supply chain services, including production planning, cost, and lead time.</p></li><li data-start="335" data-end="570"><p data-start="337" data-end="570">Establish a smooth and compliant manufacturing and distribution system in collaboration with external contractors, covering everything from material specifications and procurement to shipment and delivery to facilities and hospitals.</p></li></ul><p><br /> <br /><br />■Requirements</p><ul data-start="593" data-end="847"><li data-start="593" data-end="722"><p data-start="595" data-end="722">Experience in purchasing/procurement and inventory management (experience with temperature-controlled products is preferred).</p></li><li data-start="723" data-end="847"><p data-start="725" data-end="847">Intermediate-level English skills (must be able to read and write; interpretation and departmental support are available).</p></li></ul><p><br /> <br /> <br /> ■Reference No：06940-0013248116<br /> </p><p> </p><p><em>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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/bWFraS5zaGltaXp1Ljk1OTgzLjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
<p><strong>Job Description</strong></p><ul><li>Serve as the head of the SCM (Supply Chain Management) department, ensuring operational excellence and customer satisfaction while improving revenue, cash flow, and productivity.</li><li>Harmonize, standardize, and digitize SCM processes.</li></ul><p><strong>Qualifications</strong></p><ul><li>Over 5 years of experience in people management within the SCM department.</li><li>Business-level English proficiency.</li><li>Experience in businesses dealing with imported goods.</li></ul><p>Reference Number: 06940-0013248636<br /> </p><p><em>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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/bWFraS5zaGltaXp1LjcxNjc0LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
<p>Data Science Director (Advertising Technology) | Tokyo | 12-20M JPY<br /><br />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.<br /><br />What You'll Do<br />・Enhance prediction models and features for advertising platforms<br />・Develop pricing optimization logic to maximize ad inventory value<br />・Build recommendation systems for dynamic creative and product suggestions<br />・Define and share the vision for future data science initiatives<br />・Mentor junior data scientists on the team<br />・Communicate strategy and technical work clearly across the business<br /><br />Tech & Tools<br />・Languages: Python<br />・Databases: Clickhouse, MySQL, BigQuery<br />・Cloud: GCP<br />・Tools: GitLab, Slack, Redmine, Confluence, plus AI coding assistants<br />・Hardware: Mac<br /><br />Team & Environment<br />・1 Manager, 2 Team Leads, ~9 Data Scientists<br />・Collaborative engineering culture with autonomy and broad scope<br />・Flexible work style: primarily in-office with 2 days/week remote option<br /><br />What You'll Gain<br />・Work on large-scale ad-tech platforms with billions of monthly impressions<br />・Tackle pricing optimization and recommendation challenges similar to top global DSPs<br />・Opportunity to shape cutting-edge ad-tech algorithms with real business impact<br />・Engineering environment with strong AI/ML support and tooling<br /><br />Who We're Looking For<br />・3+ years in data science or machine learning for marketing, advertising, or related fields<br />・Strong Python skills and experience in applied ML<br />・Enjoys diving deep into ad-tech challenges and pushing technical boundaries<br />・Able to communicate technical vision to both engineering and business teams<br />・Proactive, curious, and excited about continuous improvement<br />・Fluent Japanese required; English is a plus<br /><br />Nice-to-Have<br />・PhD or Master's in a related field<br />・Experience with generative AI or advanced ML<br />・Strategic thinking and problem-solving skills<br />・Proven track record applying new technologies to business needs<br />・Understanding of technical challenges in the advertising industry</p><p><em>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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/Um9jY28uU29uZy4yMjQ4My4xMDg5OEByaGlqcC5hcGxpdHJhay5jb20.gif">
<p>Overview:<br /><br />Join a prestigious global financial services organization with an integrated network spanning over 30 countries. Our Japan IT division is a dynamic, multicultural environment featuring talent from over 25 nationalities.<br />We are seeking a motivated and analytically-minded professional to grow into the role of Japan Business Manager within the CIO Office, reporting directly to senior leadership. This is an excellent opportunity to learn to identify improvement opportunities and contribute to operational excellence across complex, multi-regional processes while working alongside diverse stakeholders in our international technology organization.<br /><br />About the Role:<br /><br />- Process Improvement Development: Learn to identify operational process improvement opportunities across the Japan IT organization, including cultural behaviors and multi-regional procedures<br />- Change Support & Execution: Support planning and execution of strategic changes, issue resolution, and risk mitigation actions while developing reporting skills<br />- Cross-Regional Collaboration: Build relationships with stakeholders including senior management and regional IT counterparts across multiple time zones and cultures<br />- Data Analysis & Learning: Develop analytical skills by working with financial and accounting figures to support data-driven decision-making<br />- Stakeholder Development: Learn to build strong relationships with multinational colleagues, developing communication skills across cultural boundaries<br /><br />About the Ideal Candidate:<br /><br />- Growth Mindset & Learning Ability: Motivated professional eager to develop within the role with strong learning agility<br />- Foundation Experience: Some experience in Business Process Reengineering (BPR) and/or Project Management beneficial; Management Accounting exposure a plus<br />- Professional Background: 2+ years of consulting firm experience welcome, or similar structured problem-solving experience<br />- Language Proficiency: Business-level English and native-level Japanese (or vice versa) essential<br />- Analytical Potential: Demonstrates logical thinking and interest in data-driven analysis with willingness to develop skills in financial metrics<br /><br />Sales Points of the Role:<br /><br />- Accelerated Development & Mentorship: Grow into an impactful role as a direct report to senior leadership with extensive learning opportunities and career development support<br />- Meaningful Impact: Drive real operational improvements across a global technology organization with authority to identify and execute positive changes<br />- International Exposure: Work within a truly multicultural team while collaborating with regional counterparts globally, building valuable international business experience</p><p> </p><p>Reference Number:06940-0013273890</p><p><em>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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/bHluZHNleS5odWdoZXMuNzk4NzIuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<h2 data-start="77" data-end="134">Join Us in Building the Future of Security Learning</h2><p data-start="136" data-end="469">We are developing a system that enables people to efficiently and practically gain security knowledge, by <strong data-start="242" data-end="328">personalizing learning based on each individual's skill level and activity history</strong>.<br data-start="329" data-end="332" /> Our engineering-driven team is at the heart of this initiative, creating impactful products that make real-world learning more effective.</p><p data-start="471" data-end="580">We're now looking to <strong data-start="492" data-end="521">welcome two new engineers</strong> to the core development team driving this mission forward.</p><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><p data-start="667" data-end="817">You'll be responsible for building and operating a robust, scalable, and secure infrastructure to support our product-mainly using <strong data-start="798" data-end="816">Python and AWS</strong>.</p><h3 data-start="819" data-end="877">② Product Engineer (Feature & User Experience Focus)</h3><p data-start="878" data-end="1039">You'll work closely with the PdM and designers to <strong data-start="928" data-end="969">create valuable features from scratch</strong>, building experiences that directly improve how users learn and grow.</p><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><p data-start="1107" data-end="1193">A nimble team structure where you can take initiative and focus deeply on development.</p><h3 data-start="1195" data-end="1235">Fully remote & flexible work style</h3><p data-start="1236" data-end="1326">Work from anywhere, anytime. The only in-person requirement is for occasional team events.</p><h3 data-start="1328" data-end="1358">A learning-first culture</h3><p data-start="1359" data-end="1479">We actively support continuous learning with <strong data-start="1404" data-end="1431">book and exam subsidies</strong>, regular internal tech talks, and study groups.</p><h3 data-start="1481" data-end="1543">Real impact in the growing field of Security × Education</h3><p data-start="1544" data-end="1678">You'll build a product that contributes directly to society, while expanding both your <strong data-start="1631" data-end="1677">technical expertise and domain perspective</strong>.</p><hr data-start="1680" data-end="1683" /><h2 data-start="1685" data-end="1713">What We're Looking For</h2><p data-start="1715" data-end="1782">We welcome candidates with the following <strong data-start="1756" data-end="1781">skills and experience</strong>:</p><ul data-start="1784" data-end="2061"><li data-start="1784" data-end="1827"><p data-start="1786" data-end="1827">4+ years of web application development</p></li><li data-start="1828" data-end="1882"><p data-start="1830" data-end="1882">Backend experience in <strong data-start="1852" data-end="1862">Python</strong> or <strong data-start="1866" data-end="1880">TypeScript</strong></p></li><li data-start="1883" data-end="1924"><p data-start="1885" data-end="1924">2+ years of development using <strong data-start="1915" data-end="1922">AWS</strong></p></li><li data-start="1925" data-end="2012"><p data-start="1927" data-end="2012">1+ year of experience with <strong data-start="1954" data-end="1967">IaC tools</strong> like Terraform, CloudFormation, or Ansible</p></li><li data-start="2013" data-end="2061"><p data-start="2015" data-end="2061">Experience working in <strong data-start="2037" data-end="2055">Agile or Scrum</strong> teams</p></li></ul><p data-start="2063" data-end="2176"><em data-start="2063" data-end="2176">Experience in security or education is not required-but curiosity and a willingness to learn are highly valued!</em></p><hr data-start="2178" data-end="2181" /><h2 data-start="2183" data-end="2211">🛠 Our Tech Stack & Tools</h2><p data-start="2213" data-end="2291"><strong data-start="2213" data-end="2239">Languages & Frameworks</strong><br data-start="2239" data-end="2242" /> Python (Django, DRF), TypeScript (Next.js, React)</p><p data-start="2293" data-end="2371"><strong data-start="2293" data-end="2311">Infrastructure</strong><br data-start="2311" data-end="2314" /> AWS (ECS, Lambda, CloudFormation, ECR), Terraform, Docker</p><p data-start="2373" data-end="2453"><strong data-start="2373" data-end="2394">Database & Others</strong><br data-start="2394" data-end="2397" /> PostgreSQL, Redis, Elasticsearch, GitHub Actions, Sentry</p><p data-start="2455" data-end="2482"><strong data-start="2455" data-end="2467">AI / LLM</strong><br data-start="2467" data-end="2470" /> Azure OpenAI</p><p data-start="2484" data-end="2552"><strong data-start="2484" data-end="2500">Tools We Use</strong><br data-start="2500" data-end="2503" /> Slack, Miro, Figma, ChatGPT, Gather, Cursor, etc.</p><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"><p data-start="2584" data-end="2643"><strong data-start="2584" data-end="2603">Employment type</strong>: Full-time (4-month probation period)</p></li><li data-start="2644" data-end="2708"><p data-start="2646" data-end="2708"><strong data-start="2646" data-end="2663">Annual salary</strong>: ¥7M-¥12M (based on experience and skills)</p></li><li data-start="2709" data-end="2798"><p data-start="2711" data-end="2798"><strong data-start="2711" data-end="2725">Work style</strong>: Fully remote by default (with a Tokyo office), flexible working hours</p></li><li data-start="2799" data-end="2928"><p data-start="2801" data-end="2928"><strong data-start="2801" data-end="2813">Time off</strong>: Weekends, national holidays, year-end/New Year, summer break, paid leave, and special leave (e.g., bereavement)</p></li><li data-start="2929" data-end="3213"><p data-start="2931" data-end="2946"><strong data-start="2931" data-end="2943">Benefits</strong>:</p><ul data-start="2949" data-end="3213"><li data-start="2949" data-end="2974"><p data-start="2951" data-end="2974">Full social insurance</p></li><li data-start="2977" data-end="3009"><p data-start="2979" data-end="3009">Transportation reimbursement</p></li><li data-start="3012" data-end="3071"><p data-start="3014" data-end="3071">Annual health check (support for full medical checkups)</p></li><li data-start="3074" data-end="3108"><p data-start="3076" data-end="3108">Certification/learning support</p></li><li data-start="3111" data-end="3142"><p data-start="3113" data-end="3142">Internal recognition system</p></li><li data-start="3145" data-end="3178"><p data-start="3147" data-end="3178">Childcare and nursing support</p></li><li data-start="3181" data-end="3213"><p data-start="3183" data-end="3213">Stock ownership plan, and more</p></li></ul></li></ul><p> </p><p>Reference Number: 06940-0013263495</p><p><em>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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/U2hpbWFtdXJhLlNoaW5vYnUuNTg3MDAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
<p>UX Lead - Data Intelligence Company | Tokyo<br />Lead user experience for Japan's premier retail analytics platform<br />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.<br /><br />What You'll Do:<br />-Lead UX strategy and user research initiatives<br />-Design customer journeys and optimize user flows<br />-Collaborate with Product and Engineering teams<br />-Drive measurable UX improvements across platforms<br /><br />Requirements:<br />-3+ years UX design experience<br />-Strong user research and validation skills<br />-Cross-functional collaboration experience<br />-Fluent in Japanese proficiency<br />-Interest in Product Management (preferred)</p><p> </p><p>Reference Number:06940-0013273911</p><p><em>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.</em></p><hr /><p>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。</p><img src="https://counter.adcourier.com/V2F0dW55dS5TaXJpcGFpcm9qLjI2NDg5LjEwODk4QHJoaWpwLmFwbGl0cmFrLmNvbQ.gif">
