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Job ID : 1562234 Date Updated : October 19th, 2025

Senior Front End Engineer

Location Tokyo - 23 Wards
Job Type Permanent Full-time
Salary 7 million yen ~ Negotiable, based on experience

Job Description

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.

General Requirements

Minimum Experience Level Over 6 years
Career Level Mid Career
Minimum English Level Business Level
Minimum Japanese Level None
Minimum Education Level Bachelor's Degree
Visa Status No permission to work in Japan required

Required Skills

Mandatory Qualifications:

- Development experience with Javascript, HTML, CSS for more than 5 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)

- Business level 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

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Permanent Full-time
Salary 7 million yen ~ Negotiable, based on experience
Industry Internet, Web Services

Job Category