Recruit
Backend Engineer
Responsible for server-side design and development. API development and system construction using Node.js, Python, Go, etc. Lead scalable and maintainable system design.
Full-timeNode.jsPythonPostgreSQLDockerAWS
Responsibilities
- Design and development of RESTful API / GraphQL API
- Database design and optimization
- Design and implementation of microservice architecture
- API integration with external services
- System design with security in mind
RequiredMUST
- 2+ years of development experience with server-side languages (Node.js/Python/Go/Java, etc.)
- Experience designing and operating RDBMS (PostgreSQL/MySQL, etc.)
- Experience designing and implementing RESTful APIs
- Team development experience using Git/GitHub
PreferredNICE
- Experience with NoSQL databases (MongoDB/Redis, etc.)
- Experience designing microservice architecture
- Experience building CI/CD pipelines
- Experience with container technologies (Docker/Kubernetes)
- Practical experience with cloud services (AWS/GCP)
Work Details
Location
Saitama HQ (Remote available)
Hours
Flextime (Core: 10:00–15:00)
Holidays
Weekends, National holidays, Year-end, Summer vacation
Paid Leave
10 days after 6 months (up to 20 days)
Remote Work
3-4 days/week remote (varies by project)
Benefits & Perks
Full health insurance
Commute allowance (up to ¥30,000/mo)
Remote work stipend (¥10,000/mo)
Learning budget (¥5,000/mo for books)
Conference attendance support
Certification reimbursement
Annual health checkup
Life event support
Team learning sessions
Regular 1-on-1s
Side projects allowed
Casual dress code
Interested in the Backend Engineer role?
Let's chat. We're happy to answer any questions before you apply.