Design and operate shared identity, authentication and authorization services using Ruby or Kotlin, leading integrations and migrations across Money Forward products in an English-working team.
About this role
Develop Android products that help sole proprietors manage tax and business administration. Improve usability, performance and reliability, lead architecture discussions, refine code review and automation, and work with backend engineers on API contracts. Use analytics and user feedback to prioritize improvements while maintaining features, dependencies and tests.
Applicants need at least three years of Android development, strong Kotlin and coroutines, Jetpack Compose, sound architecture and testing practices, code-review experience, API collaboration and practical AI-assisted development. Business English is required; Japanese is optional. This Tokyo role pays ¥7.008–11.004 million annually and offers opportunities to work across mobile, web and backend development.
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