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  • Frontend / Web Application developer


Frontend / Web Application developer [Solution Engineering Division]

As we are planning to release from next year several new projects requiring the design and implementation of custom Web based UIs we are looking for a Frontend/Web Application developer with a strong technical background to lead the development of our customer and internal web applications.

The candidate will work closely with the Solution Engineering team Unit to discuss thespecifications and coordinate during the sprint reviews to ensure that the deliverables are aligned with the requirements and the roadmap.

Key role and responsibilities
This role include 2 main missions

1 - Web Application development :
・Web UI design (Application dashboards, SPA...)
・UI Javascript widgets development and integration
・Building efficient toolchains and delivery pipelines for JS/TS projects
・Design Javascript backend code with NodeJS
・Integration of Restful APIs
・Patching, updates, maintenance of Git repositories
・Test suites

2 - Technical support / Internal consulting :
・Help the project team to clarify the Web UI / Dashboards specifications based on the customer requirements
・Support the integration team to design / customize web UI applications for the IoT frameworks used by the company
Mandatory qualifications
As a growing startup we are looking for a candidate who can lead the technical aspects of Web Application development and provide critical thinking about the technologies in this field.


・Programming skills: Javascript, HTML, CSS
・Frameworks: VueJS3 (or equivalent), NodeJS
・Object Oriented, UML, Design patterns knowledge
・Experience with source code management system

Desired qualifications:

・Containerization technologies (Docker)
・Node-RED IoT framework

And to conclude, we are looking for someone with a positive thinking who is capable of sharing his experience with the other members of the team to build a great solution all together!
Selection process
Application screening → multiple interviews
Employment status and contract terms
Full-time employee, no fixed term
※If you would like to sign an outsourcing contract instead of an employment contract, please let us know.
Trial period
Trial period (3 months)
Working hours and breaks

Working hours

The standard working hours are 8 hours per day. The beginning and ending time of work is left to your decision.
Flexible working hours: (start) 7:00 - 11:00 / (end) 16:00 - 22:00
Core time: 11:00 - 16:00


None if the workday is less than 6 hours.
60 minutes at your choice if the working hours are more than 6 hours.      
Overtime work
Workers may be required to work overtime or on holidays for business reasons.
Saturdays, Sundays, national holidays, and year-end and New Year holidays (December 29-January 3)
Annual paid leave, special leave (congratulation or condolence leave, etc.)
Work Location (Workplace)
Head office and employees' homes ※In principle, telecommuting
Head office
CAT Building 9F
2-3-16 Ebisu Nishi, Shibuya-ku, Tokyo
150-0021 Japan
Social insurance
Health insurance, employee pension, unemployment insurance, workers' accident compensation insurance
Salaries, etc.
competitive salary based on experience (5M ~ 8M).
We have introduced a performance-based salary system (monthly salary + performance bonus twice a year). Salary and other details will be explained during the selection process.
Passive smoking countermeasures
Smoking is not permitted in the head office.
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Precautions regarding application

If you apply using the inquiry form below, please include the following information in your inquiry.
・Age / gender
・Place of residence
・Desired occupation
・Work experience / education
・Reason for applying
・Qualifications (languages)