Job Description:Department OverviewEC 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 HireWhile 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 Web security- 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)- Ability to design front-end architecture- DevOps experience- Experience of Git- Always act in active way and lead to the solution Others Information:Additional information on English QualificationTOEIC Score 800 or Above#engineer #applicationsengineer #commerce #RakutenIchiba Languages:English (Overall - 3 - Advanced)