Senior Frontend Engineer (React Native) - Fintech Innovator<p><strong>Company Profile</strong></p><p>A leading fintech company in Tokyo is seeking a talented Senior Front-end Engineer to join their innovative team. This role offers a unique chance to work on cutting-edge payment solutions that are transforming the e-commerce landscape in Japan.</p><p><strong>The Role</strong></p><ul><li>About the Role:<br /> As a Senior Frontend Engineer, you'll be at the forefront of developing and improving user experiences for both consumers and merchants. You'll work on a variety of projects, from consumer-facing applications to merchant tools and internal systems.</li><li>Key Responsibilities:<br /> Develop and enhance React and React Native applications for multiple platforms<br /> Create intuitive and efficient user interfaces for complex financial products<br /> Collaborate with cross-functional teams to deliver high-quality solutions<br /> Contribute to the evolution of the company's front-end architecture and best practices.</li></ul><p><strong>Your Skills </strong></p><ul><li>Required Qualifications:</li></ul><p>Degree in Computer Science, Engineering, or equivalent practical experience<br /> Strong experience with React.js and React Native<br /> Proficiency in modern JavaScript (ES6+) and related tools (Redux, Webpack)<br /> Experience integration of APIs for iOS and Android platforms<br /> Familiarity with native mobile development tools (Xcode, Android Studio)<br /> Experience with performance optimization and accessibility in web applications<br /> Ability to write clean, maintainable and well-tested code<br /> Strong problem-solving skills and attention to detail<br /> Excellent communication skills in English</p><ul><li>Preferred Qualifications:</li></ul><p>Experience with in Fintech domain or payment products<br /> Familiarity with B2C user experience design<br /> Knowledge of TypeScript and Flow</p><p><strong>Location </strong></p><p>Tokyo</p><p><strong>Salary</strong></p><p>6M JPY - 8.5M JPY</p><p><strong>Selling points</strong></p><ul><li>Opportunity to work on products used by millions of consumers in Japan</li><li>English working environment</li><li>Collaborative and innovative work environment</li><li>Continuous learning and professional growth opportunities</li><li>Competitive salary and benefits package with high working flexibility like remote work and full flex time</li></ul><p>Reference Number: 06940-0013135424</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/S2hhbmcuTGUuMTU4MjIuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">Senior Software Engineer (Rust / Kubernetes)<p><strong>Company Profile</strong></p><ul><li>We are seeking a Senior Software Engineer to join our client, a dynamic and innovative company that's revolutionizing the manufacturing industry.<br /> They are a rapidly growing tech firm that's transforming how manufacturers handle design data and supply chain operations.</li></ul><p><strong>The Role</strong></p><ul><li>As a Senior Software Engineer in the Core Engineering team, you will play a crucial role in enhancing developer productivity and improving our development environment. Your work will focus on providing tools and infrastructure that reduce cognitive load on developers by "separating concerns."</li></ul><p><Key Responsibilities></p><ul><li>Developing tools and infrastructure to enhance developer productivity</li><li>Collaborating with cross-functional teams to deliver high-value solutions</li><li>Improving development processes and environments</li></ul><p><Tech Stack></p><ul><li>Backend: Rust, TypeScript, Node.js</li><li>Machine Learning/AI: Rust, Python, Vertex AI, PyTorch, OpenCV, TorchServe, Elasticsearch</li><li>Infrastructure: GCP, Kubernetes</li><li>DevOps: GitHub, Terraform</li><li>Data: PostgreSQL, BigQuery, dbt, Alloy</li><li>Communication: Slack, JIRA</li></ul><p><strong>Your Skills </strong></p><p><Required Qualifications></p><ul><li>Solid hands-on software development experience (At least 7 years)</li><li>A track record of leading engineering initiatives as Senior Engineer or Tech Lead</li><li>Expertise in web application development using strongly-typed languages</li><li>Excellent communication skills in either English or Japanese</li><li>Needs to be located in Japan at time of applying</li></ul><p><Preferred Qualifications></p><ul><li>Containerization technologies like Kubernetes</li><li>Infrastructure-as-Code practices</li><li>Experience in Rust</li><li>Leading on architectural level and design of entire systems including implementation</li><li>CI/CD pipeline design and implementation</li><li>Cloud platforms, particularly GCP</li><li>Data engineering and ETL processes</li><li>Conversational-level Japanese proficiency</li></ul><p><strong>Location </strong></p><p>Tokyo</p><p><strong>Salary</strong></p><p>7 - 12 million yen</p><p><strong>Selling points</strong></p><ul><li>Solve challenging problems alongside an enthusiastic team.</li><li>You will contribute to not only local but also international product development</li><li>Contribute to products that have the potential to change the manufacturing landscape.</li><li>Opportunity to be involved on system level projects that has big impact to the overall business</li><li>Work in a multinational environment where all technical meetings are conducted in both English and Japanese</li><li>Enjoy flexible remote work options with occasional in-office days for team interaction.</li><li>As half of the employees are parents and the company offers great work life balance to support them</li></ul><p>Reference Number: 06940-0013135423</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/S2hhbmcuTGUuMDE0MzcuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">VP of Platform and Reliability Engineering<p><strong>Company Profile</strong></p><ul><li>A Japanese fintech company providing cloud-based financial management solutions for individuals and businesses. The company is rapidly expanding globally and you will play a key role in stabilizing the infrastructure and improving development productivity to support future growth. This is an opportunity to make strategic decisions and accelerate business growth in an environment where technology and business are closely aligned.</li></ul><p><strong>The Role</strong></p><ul><li>1:Stable operation and improved availability of the infrastructure</li><li>To maintain high availability and prevent major failures, enhance system monitoring and rapid incident response. Implement specific initiatives (e.g., maintenance of Datadog dashboards) to promote stable operation.</li><li>2: Accountability for infrastructure</li><li>Understands the content and progress of operations, including the scope delegated to subordinate managers, and fulfills accountability as appropriate. Also, provide clear guidelines on the optimization of infrastructure costs and the scope of management of AWS, etc., to support efficient operations across departments.</li><li>3: Platform Engineering Strategy Development</li><li>Aiming to improve developer experience and productivity, we draw a roadmap for platform engineering and develop a vision for the future together with the CTO, VPoE, and CISO.</li><li>4:SRE team organizational management and member development</li><li>We assign a clear scope of responsibility to each manager and support them to ensure that the results are achieved within six months. As the team grows, we will build a stronger foundation.</li></ul><p><strong>Your Skills </strong></p><ol><li>Leadership and Management: Execution skills to bring multiple teams together and lead projects to success, and staffing skills to promote organizational growth. Drives change, builds trust with management and other departments, and supports consensus building.</li><li>Problem-solving skills: Analyzes complex issues and works with teams to derive optimal solutions.</li><li>Communication skills: Builds relationships of trust with management and other departments, captures their intentions, and leads them to consensus building.</li><li>Problem-solving skills: Able to analyze complex problems in cooperation with others and lead to appropriate solutions:</li><li>Technical background:</li></ol><ul><li>Building and operating container environments using Kubernetes</li><li>Experience in building and operating infrastructure on AWS</li><li>Design, operation, maintenance, improvement, and fault handling of web services</li><li>Knowledge of Site Reliability Engineering</li><li>Experience managing an organization with DevOps culture</li></ul><p><strong>Location </strong></p><p>Tokyo</p><p><strong>Salary</strong></p><p>17 - 20 million yen</p><p><strong>Selling points</strong></p><ul><li>We are looking for a Product Infrastructure Manager who will be responsible for the entire infrastructure of the services we provide to our users in the midst of rapid growth.</li></ul><p>Reference Number: 06940-0013117140</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/VmljdG9yaWFSeW8uNzc5NzAuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">Software Engineer<p><strong>Company Profile</strong></p><ul><li>Our client is an "engineering-first" tech startup.</li><li>More than 80% of the company are software engineers and around 50% of their members (including CEO and CTO) have international backgrounds.</li><li>They are mainly challenging themselves to modernize mission-critical systems that are essential to society and companies, such as next-generation core banking systems and payment platforms.</li><li>First, they will solve social issues by utilizing cloud-native technology, mainly in the FinTech field, and in the future they would like to use the knowledge they have cultivated in fields such as HealthcareTech and GovernmentTech.</li></ul><p><strong>The Role</strong></p><ul><li>Work with development teams to devise software solutions</li><li>Design and implementation of client-side and server-side architectures</li><li>Development and management of functionally superior systems, databases and applications</li><li>Maintain high standards and write APIs and idiomatic code</li><li>Test software to ensure maintainability, responsiveness and efficiency</li><li>Software troubleshooting, debugging and upgrades</li><li>Understanding and applying security and data protection best practices</li><li>Preparation of technical documentation</li><li><Tech Stack></li><li>Languages: Java, Kotlin, JavaScript, TypeScript, Go, C#, etc.</li><li>Frameworks: Spring, Vue.js, Nuxt.js, .NET Framework, etc.</li><li>Cloud: AWS, GCP, or Azure</li></ul><p><strong>Your Skills </strong></p><ul><li>3+ years of experience as a software engineer or similar role</li><li>Business level Japanese (N2 or above)</li><li>Experience with the following frameworks or languages:</li><li>Java, C#, Typescript, Golang</li><li>Spring (Java or Kotlin)</li><li>js or Nuxt.js or Quasar</li></ul><p><strong>Location </strong></p><p>Tokyo</p><p><strong>Salary</strong></p><p>8 - 11 million yen</p><p><strong>Selling points</strong></p><ul><li>Employment type: Full-time</li><li>Location: Tokyo</li><li>Remote option: Hybrid with flexible arrangements</li><li>Working hours: Full flex time system</li><li>Weekends off</li><li>Salary: 7M - 11M</li><li>Stock options</li><li>Annual paid leave: 10 after joining and up to 20 days</li><li>Summer vacation & end of the year vacation</li><li>Childcare / nursing care leave</li><li>Flat hierarchy & open work environment</li><li>If you are interested in hearing more details, you can reach me by Email.</li></ul><p> Reference Number: 06940-0013116299</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/S2hhbmcuTGUuODk1ODMuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">Backend Engineer (Scala)<p><strong>Selling points</strong></p><ul><li>Full-time position</li><li>Full remote work from anywhere in Japan or come to the modern office in Tokyo</li><li>Flexible work arrangements (8 hours a day)</li><li>Annual paid leave 10 days per year, increasing annually to a maximum of 20 days per year</li><li>Two days off per week (Saturday and Sunday)</li><li>Opportunity to shape a product used by leading companies worldwide</li><li>Work with a diverse, distributed engineering team</li><li>Focus on quality-driven development with minimal production incidents</li><li>Professional development and mentorship opportunities</li><li>Competitive compensation package</li><li>Modern tech stack and best practices environment</li><li>Collaborative and learning-focused culture</li></ul><p><strong>C</strong><strong>ompany Profile</strong></p><ul><li>Our client is a dynamic technology company revolutionizing the technical skills assessment and training landscape through their innovative platform.</li><li>With a commitment to excellence and continuous improvement, they're helping organizations worldwide evaluate and develop technical talent effectively.</li></ul><p><strong>The Role</strong></p><ul><li>Lead backend development initiatives for a cutting-edge skills assessment platform</li><li>Design and implement scalable backend features using Scala</li><li>Drive technical architecture decisions and system improvements</li><li>Collaborate with cross-functional teams to translate business requirements into technical solutions</li><li>Ensure platform stability and performance through proactive monitoring and maintenance</li></ul><p><strong>Y</strong><strong>our Skills</strong></p><ul><li>Experience in backend development with JVM-based languages</li><li>Strong foundation in REST API development and distributed systems</li><li>Demonstrated expertise in functional programming concepts and asynchronous programming</li><li>Solid experience with relational databases, particularly PostgreSQL</li><li>Proficiency in writing comprehensive automated test suites</li><li>Hands-on experience with major cloud platforms (AWS/GCP/Azure)</li><li>Track record of delivering high-quality, production-grade code</li><li>Strong analytical and problem-solving capabilities</li></ul><p><strong>Salary</strong></p><ul><li>7,000,000 yen - 9,000,000 yen</li></ul><p><strong>Location</strong></p><ul><li>Tokyo</li></ul><p> </p><p>Reference number : 06940-0013110677</p><p><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/S2hhbmcuTGUuODY1OTQuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">Backend Engineer (Java)<p><strong>Selling points</strong></p><ul><li>Full remote or hybrid, depending on candidate's preference</li><li>Fully Flex without core time</li><li>Clear career plan. Performance evaluation twice per year, lots of growth space among different teams</li><li>Flat organization and easy communication within the company</li></ul><p><strong>C</strong><strong>ompany Profile</strong></p><ul><li>Our client is one of Japan's largest tech companies with more than 10,000 people from approximately 40 countries and regions, continues to provide services that move users, and contributes to the realization of richer and more convenient lives through the power of the Internet.</li></ul><p><strong>The Role</strong></p><ul><li>You will be in charge of the backend of their main application, which handles tens of billions of messages per day.</li><li>You will be responsible for everything from the design, development, testing and post-release operation</li><li>You will be responsible for developing and improving the platform that handles significant and massive traffic in order to sustainably operate it with more efficient resources, while also developing and supporting the backend that creates greater value for people</li><li>You will design API and development of server-side functions for messaging, social graph services and family services</li><li>You will design data structure and development for large-volume data storage with a focus on scale and distributed processing</li><li>You will support continuous improvement of the structure, performance and scalability of the platform, and creating a technical vision for a system that can flexibly respond to diverse business requirements.</li></ul><p><strong>Y</strong><strong>our Skills</strong></p><ul><li>You are either fluent in Japanese or English</li><li>You have strong experience working on large scale systems with millions of users</li><li>Server-side development experience</li><li>You are subject matter of expert with Java as programming language</li><li>You are experienced in operating production systems in Linux/Unix environments</li><li>You have hands-on experience with database operations (MySQL, Redis, HBase, Cassandra, Elasticsearch, etc.)</li></ul><p>Welcome:</p><ul><li>You are interested in difficult problems and their solutions in large-scale, highly complex distributed systems</li><li>You can take action to solve problems and take responsibility while involving others</li></ul><p><strong>Salary</strong></p><ul><li>12,000,000 yen - 18,000,000 yen</li></ul><p><strong>Location</strong></p><ul><li>Tokyo</li></ul><p> </p><p>Reference number : 06940-0013120727</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/S2hhbmcuTGUuMTY4MDUuMTA4OThAcmhpanAuYXBsaXRyYWsuY29t.gif">
