English summary for screening — check the original posting before applying.
Join a new business venture within UPSIDER, a global financial platform company. This role involves building and launching innovative financial services from scratch, aiming to provide more opportunities for customer challenges. You will be instrumental in shaping the product's growth and success.
Must-haves
- Experience in making technical decisions
- Experience in specification formulation, requirements definition, and design
- Experience in code reviews
- Practical experience with Agentic Coding using tools like Claude Code or Codex/Devin
Nice-to-haves
- Design and implementation skills considering scalability, robustness, and testability
- Experience operating web services or applications
- Experience leading or managing teams, projects, or technical decisions
- Development experience in financial or accounting systems
- Experience with complex and challenging system requirements such as payments
Tech stack
TypeScriptReactHonoPrismaGoogle CloudGithub ActionsPostgreSQL
Work style
Full remote, full flexible hours, with a Tokyo office location.