Frontend Developer, Rakuten Ichiba - Mall Section No.1, EC Marketplace Development Department (ECMPD)
Asia
August 7, 2026 at 10:30 AM
✨ AI summary
Location
Tokyo, Japan
Languages
JavaScript
HTML
CSS
Frameworks
React.js
Node.js
Experience Level
3+ years of frontend development experience
Job Description
Department Overview
EC Marketplace Development Department (ECMPD) is a tech division under Rakuten Commerce & Marketing Company of Rakuten Group, Inc. We are responsible for developing and enhancing our online system to support our core business, Rakuten Ichiba.
Rakuten Ichiba is one of the largest internet shopping malls in Japan with 5.6 trillion sales in 2022 and our business is growing year on year. We aim to provide the best shopping entertainment for our shoppers and empower our partners in Rakuten Ichiba.
Position
Why We Hire
While this service is growing steadily, we need a more robust and scalable system to drive further growth. We are also committed to providing the best user experience possible. This requires a stronger team and higher engineering skills, and we need more Frontend engineers to work with us as part of our development team.
Position Details
Define requirements, design, programming, testing, and deployment to deliver the system.
Collaborate with PDM, internal members, and upstream/downstream system teams.
Monitor system stability and performance, optimize performance, design and maintain system architectures, refactoring, optimization, and troubleshooting.
Mandatory Qualifications
Development experience with JS, HTML, CSS for more than 3 years
Development experience with React.js or Node.js
Deep understanding of frontend performance optimization
Knowledge of Websecurity
Experience of system design
Experience of testing (Unit Test, Integration Test)
Communication skill in English
Desired Qualifications
Experience with ESLint
Experience with unit testing implementation in JavaScript (Jest, Intern, WDIO)