ueen
is building a next-generation mobility platform (MaaS) in Japan.
We connect different mobility services into one seamless experience and are now looking for a
Flutter Frontend Engineer
to join our product team. This role is open to
full-time and part-time
candidates.
Role Description
This is a full-time, on-site role located in Tokyo for a Flutter Frontend Engineer. You will be a
core frontend engineer
responsible for our mobile app, starting with Flutter-based development and, in the future, helping us build AI-powered frontend experiences.
You'll work closely with our TypeScript backend and play a key role in shaping the user experience of the ueen platform.
Responsibilities
- Develop and maintain ueen's Flutter mobile applications as part of our MaaS (Mobility as a Service) platform
- Integrate the frontend with our TypeScript-based backend APIs and ensure smooth end-to-end behavior
- Collaborate with product managers, designers, and backend engineers to deliver features quickly and reliably
- Write clean, maintainable, and testable code with a focus on performance and usability
- Take technical ownership of the frontend and help define our future architecture, including AI-assisted user interfaces
Qualifications
- Currently living in Japan
- 2+ years of experience in frontend development (mobile or web)
- Hands-on experience with Flutter (professional experience or strong personal/side projects)
- Experience integrating frontends with backend APIs
- familiarity with TypeScript-based backends is a strong plus
- Ability to work proactively in a small, fast-moving team
What we offer
- Flexible work style: full-time or part-time, to be discussed based on your situation
- Hybrid work style
- Compensations: full time 6M~10M yen, part time 3,000yen~6,000yen per hour
- Opportunity to be a central frontend member from an early stage of the product
- A chance to work on impactful products in the mobility / MaaS domain in Japan
- A small, agile team where your ideas and decisions will directly shape the product
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