Full Stack Engineer (Contract)

RWE AG • Marunouchi, Tokyo, Japan • Posted June 18, 2026

Location Marunouchi, Tokyo

Job Type full time

Category Computer Occupations

Posted June 18, 2026

RWE Supply & Trading Asia-Pacific Pte. Ltd., Tokyo
To start as soon as possible, full time, Contractor
Functional area: IT / Digital 
About the role
Step into a high-impact role at the heart of RWEST’s APAC trading operations. You’ll be the primary engineer in Tokyo, owning the full stack from frontend through data to cloud, and shaping how mission-critical tools evolve as the business scales. If you enjoy building while modernising — and turning today’s business-built solutions into engineered, reliable platforms this is your moment.
Design, build and continuously improve trading and operational systems for the Tokyo Trading Team, keeping day-to-day operations smooth
Re-platform legacy, business-built tools for scale, reliability and maintainability without disrupting the desk
Develop web applications using AngularJS (frontend) and FastAPI (backend), and automate workflows with Python
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