Japan's largest internet service company is hiring a React/TypeScript Team Lead Engineer (contract) to lead frontend development for high-traffic, scalable web applications. You'll guide a talented team in building performance-optimized, maintainable apps using modern JavaScript architecture. This is a rare opportunity to contribute to large-scale, real-world projects impacting millions of users-while working in a tech-driven, international environment. Must reside in Japan to apply.
Key Responsibilities
- Lead frontend development using React.js and TypeScript
- Design and implement scalable, maintainable applications
- Review code, mentor junior engineers, and enforce best practices
- Collaborate with product managers, backend engineers, and designers
- Drive performance tuning and UI/UX enhancements across platforms
Required Skills and Qualifications
Experience:
- 3+ years developing scalable web applications with React.js
- 3+ years of experience as a team lead or tech lead
- Deep understanding of TypeScript and modern frontend architecture
Technical Skills:
- Agile development experience with CI/CD workflows
- Familiarity with frontend testing tools such as Jest or React Testing Library
- Understanding of backend integration (REST/GraphQL APIs)
Soft Skills:
- Strong problem-solving and mentorship capabilities
- Comfortable leading in a fast-paced, collaborative team
Language Requirements
- Japanese: Conversational (business-level communication)
- English: Intermediate to Business level
Preferred Skills & Qualifications
- Prior experience in large-scale e-commerce or internet services
- Exposure to design systems and accessibility best practices
About the Company
Our client is Japan's top internet service provider, known for its large-scale digital platforms and focus on engineering excellence. Their diverse and international team thrives in a culture of innovation, transparency, and growth. As a contract engineer, you'll gain hands-on leadership experience in cutting-edge frontend development, contribute to impactful real-world applications, and work alongside some of the most talented engineers in the region.
Why You'll Love Working Here
- Lead critical frontend projects using React and TypeScript
- Join a diverse, global engineering team with a modern tech stack
- Work in a flexible, hybrid-friendly environment
- Access ongoing training and skill development opportunities
- Casual dress, modern office, cafeteria, and minimal overtime
Don't Miss Out - Apply Now!
