Michael Page
Lead Full Stack Engineer | Java & React
Skills
2 months ago
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Important information
Contract type:
Temporary
Salary:
¥7,000,000 – ¥8,500,000 / year
Location:
Tokyo, Japan
Work mode:
Onsite
Published on:
7 September 2026
What they need
- Lead architecture and development of large-scale customer platforms
- Work across web and mobile technologies with strong autonomy
企業情報 Our client is a leading enterprise in the digital services and telecommunications sector, operating large-scale consumer platforms and investing heavily in modern technology solutions. The organization offers the opportunity to work on high-impact products within an international and innovation-driven environment.
職務内容
- Lead the design, development, and maintenance of scalable web and mobile applications.
- Develop customer-facing solutions using React.js, React Native, Spring Boot Java, and Redis.
- Build reusable front-end components and shared libraries to accelerate future development.
- Translate UI/UX designs and wireframes into high-quality, maintainable code.
- Design robust system architectures, data structures, and database models.
- Manage APIs, server-side integrations, and application environments.
- Optimize applications for performance, security, scalability, and reliability.
- Collaborate closely with Product Managers, Designers, and Engineering teams to deliver new product features.
- Promote engineering best practices, code quality standards, and development efficiency.
- Provide technical guidance and mentorship to other developers where required.
理想の人材
- 7-10 years of professional software development experience.
- Strong expertise in JavaScript and TypeScript.
- Hands-on experience with React.js and its core principles.
- Experience developing mobile applications using React Native.
- Strong back-end development experience with Spring Boot Java and Redis.
- Solid understanding of RESTful APIs and modern authentication/authorization mechanisms.
- Experience with state management frameworks such as Redux or MobX.
- Knowledge of JSON Web Token (JWT) and related security practices.
- Experience using Git and modern software development workflows.
- Strong analytical and problem-solving capabilities.
- Bachelor's degree in Computer Science, Engineering, or a related discipline, or equivalent practical experience.
Preferred Qualifications
- Experience with GraphQL.
- Familiarity with Node.js or other server-side technologies.
- Understanding of Agile development methodologies.
- Contributions to open-source projects or an active GitHub portfolio.
条件・待遇
- Long-term project engagement with business-critical systems.
- Opportunity to influence architecture and technology decisions.
- Exposure to large-scale, high-traffic digital platforms.
- Collaborative international working environment.
- Opportunity to work alongside experienced engineers on challenging, high-impact projects.
Contact: Serena Wu Quote job ref: JN-082026-7091355
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