[English Only!] Senior Front-End Lead Developer

This position involves designing and developing scalable, maintainable, and high-performance front-end systems for a major e-commerce platform. You'll work closely with cross-functional teams to drive feature implementation from concept to release.

Client Details

The client operates a large-scale marketplace platform that serves tens of millions of users in Japan. Their engineering team continuously improves UI/UX based on data-driven hypotheses and testing, while maintaining stable performance during massive traffic events like major sales. The team culture encourages innovation and values technical excellence and problem-solving at scale.

Description

• Lead front-end development efforts and oversee team output on major projects
• Design, build, test, and release new features in collaboration with design and back-end teams
• Optimize front-end performance and contribute to system improvements and refactoring
• Create and maintain design documents, test cases, and technical documentation
• Investigate and resolve issues across development, QA, and production environments

Job Offer

• Long-term renewable haken contract
• Potential to convert to permanent employee in the future
• Competitive salary
• Attractive benefits
• International work environment
• Work hours: 9:00-17:30, Monday to Friday

To apply online please click the 'Apply' button below. For a confidential discussion about this role please contact Hikari Takamura on +813 6832 8903.

• 5+ years of front-end experience with HTML/CSS/JavaScript and React/Redux/TypeScript
• Leadership experience managing teams
• Skilled in asynchronous programming, RESTful APIs, and browser-side optimization
• Experienced with Git, Jenkins, and unit/integration testing
• Comfortable with English communication in business and technical discussions