Career opportunity Senior Software Engineer – Backend (Quote Platform)
Senior Software Engineer – Backend (Quote Platform)

- Locations
- Tokyo
- Salary
- ¥850〜¥1,200 (Monthly)
- Recruitment industry
- Backend Engineer
- Employment status
- Full time employee
- Residency status
- Working visa (Skilled labor, Humanities knowledge, International services) Highly skilled professional jobs
Job description
As a backend lead for our smart quotation system, you’ll be responsible for selecting the right technologies, designing scalable architecture, and delivering high-quality software.
Key responsibilities:
- Lead technical decisions and architecture design for a rapidly growing product
- Build sustainable and maintainable backend applications
- Develop and execute technical strategies aligned with business goals
- Collaborate with the engineering team to solve complex challenges
Why this role is exciting:
- Opportunity to work on a platform impacting Japan’s ¥120+ trillion manufacturing procurement market
- Engage with actual users from procurement departments
- Gain direct feedback from professionals in real-world production settings
- Work on complex systemization of procurement operations and tackle tough problems with a passionate team
Requirement
Must-Have:
- Proven experience leading development with technical expertise
- Experience solving delivery challenges in product or project settings
- Fluent business-level Japanese (e.g. JLPT N2+ or 3+ years working in Japanese environment)
Nice-to-Have:
- Backend experience with statically typed languages (e.g., Rust, Scala)
- Familiarity with Docker-native infrastructure
- Led Agile or Scrum-based process improvement
- Experience designing large-scale systems across multiple teams
- Practical experience with Domain-Driven Design (DDD)
- Security-conscious web development practices
- Business-level English is a plus
Benefits
Salary & Benefits
- Annual Salary: ¥8.5M – ¥12M (paid monthly)
- Salary Review: Twice a year
- Stock Options: Available
Selected benefits:
- Commuting support (up to ¥30,000–¥60,000/month)
- Childcare allowance: ¥15,000/month per dependent under 18
- Team-building meal/outing support
- Tech support: books, server costs, training fees
- Marriage, childbirth, relocation support
- Full social insurance, annual health checks, work laptop provided
Work Location
- Remote-first
- Office use available for those who prefer on-site work
- Commuting subsidies for non-metro residents
- Monthly or quarterly offsite team meetings
Work time
- Employment type: Full-time employee
- Probation period: 3 months (no change in conditions)
- Flextime: Core hours 11:00–16:00
- Days off: Weekends, national holidays, summer, year-end, and special leave
Location
Tokyo
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