Jobs in Japan
Explore hand-picked jobs in Japan for English speakers across tech, education, marketing, and more.
Vetted companies only. Apply from overseas.
Explore hand-picked jobs in Japan for English speakers across tech, education, marketing, and more.
Vetted companies only. Apply from overseas.
MercariAs a Product Engineer, you will take end-to-end ownership of spec definition through production release in [ **FILL IN:** your team’s domain]. Working closely with product managers and other stakeholders, you will finalize specs based on working prototypes and autonomously lead every step, including quality, measurement, release, and the operations that follow. Under a development structure built around AI, you will be responsible for delivering results in a way that balances both speed and quality, from start to finish.
- Shared belief in the mission and values of Mercari Group and its various companies - Ability to take end-to-end ownership: personally leading not just implementation, but spec definition and consensus-building, and staying accountable through production release and maintenance - Ability to leverage AI in development while balancing speed and quality - Ability to use AI coding tools like Claude Code effectively in day-to-day work, while evaluating, correcting, and integrating AI output rather than taking it at face value - Ability to build prototypes quickly and finalize specs based on these working prototypes - Ability to make technical design decisions autonomously (architecture, APIs, data, security, operations, etc.) and explain trade-offs in a business context - Willingness to cross into other domains (backend, frontend, iOS, Android, QA, etc.) and adjacent roles, with the ability to get started on your own in unfamiliar areas by leveraging AI and documentation - Willingness to mentor and coach others with a motivation to help the organization grow
- Experience delivering results from ambiguous specs: prototyping, refining and finalizing the specs, and seeing the project through to delivery - Experience with measurement design (events/logs), dashboard development, phased rollouts, and making go/no-go release decisions - Experience working alongside product managers to finalize specs, unblocking decisions when they get stuck - [ **FILL IN:** Add any other preferred experience/skills in the relevant domain (C2C Marketplace, Commerce, Logistics, Fintech, etc.)] - Experience using English professionally, or experience developing products in a multinational team
