Career Opportunity for a Front-End Engineer in Japan!

■ Job Title

Front-End Engineer

■ Company Overview

 A leading Japanese e-commerce and internet services company, founded in 1997, operates one of the country’s largest online marketplaces, connecting millions of merchants and consumers. Beyond online retail, it has expanded into diverse sectors including fintech, digital content, telecommunications, and professional sports. Its ecosystem integrates shopping, payments, banking, credit cards, mobile services, and loyalty programs through a shared rewards system, creating a seamless experience across its platforms. Headquartered in Tokyo, the company has also grown globally, offering services in multiple regions and investing in innovation, AI, and cloud technologies to strengthen its digital infrastructure.  

■ Your Role and Responsibilities 

● Develop and maintain design systems
● Develop and maintain CI/CD pipelines
● Develop user interfaces for internal and external cloud portals
● Developing APIs
● Integrate services and products into the cloud portals
● Optimize application for maximum speed and scalability
● Work with UI/UX designers to ensure technical feasibility of the designs and making them a reality
● Collaborate with other team members and stakeholders in an empathetic manner
● Participate in code and design reviews to maintain high development
standards
● Providing user support - Mentor and grow other developers

■ Experience and Qualifications

● Knowledge of React, and front-end infrastructure
● bundlers (e.g. webpack), storybook, jest, etc.
● Knowledge of asynchronous request handling
● Experience with performance optimizations
● Experience setting up and configuring CI/CD pipelines (e.g. Jenkins, CircleCI) 

■ Additional Preferred Qualifications

● Experience with TypeScript
● Experience with state management libraries (e.g. Zustand, Jotai, Redux)
● Experience with e2e testing (e.g. Playwright or Cypress)
● Experience with developing APIs
● Understand cross-browser compatibility issues
● Experience with containerization (e.g. Docker, Kubernetes)
● Interest in UX design - Interest in operational tasks (e.g. devops, SRE)
● Experience working with micro-frontends - Experience working with monorep

■ Work Location

Tokyo (Hybrid)

 

■ Salary 

To be decided based on your experience, skill set, and company policies.
Details will be shared during the interview process.

Details will be provided during the meeting.