English summary for screening — check the original posting before applying.
Aimy is an AI partner app preparing for its 2nd anniversary in February 2026. The team is developing the front-end product for an era where individuals will own AI agents. The business has already achieved Product-Market Fit (PMF) and is profitable.
Must-haves
- 3+ years of backend development experience
- System design experience
- Practical experience with TypeScript, Node.js, and NestJS
- Must be able to commute to the office, at least once a week, with the first day requiring in-person attendance.
- Available to work 160-180 hours per month.
Nice-to-haves
- Development experience at a company
- Experience with iOS/Android development
- Management experience
- Experience with consumer-facing services (toC)
- Startup development experience
- Experience designing and operating large-scale systems
- Infrastructure design and maintenance experience
Tech stack
TypeScriptNestJSC#UnityPostgreSQLRedisGithub ActionAzure PipelineAzureDockerRe:dashGitHubSlacknotion
Work style
Onsite in Tokyo (Ebisu Nishi, Shibuya-ku). Requires commuting to the office, at least once a week.
Other notes
Hourly wage: 4,000 JPY - 10,000 JPY. Employment type: Contract employee.