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Jobs→フリー株式会社→Seeking Senior Engineers Open Position (Infrastructure Domain)!

Seeking Senior Engineers Open Position (Infrastructure Domain)!English summary from Japanese

フリー株式会社

✓ Detailed
Salary
800万円 〜 1,200万円
Apply on FINDY

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

freee is seeking senior engineers to evolve their mission-critical infrastructure, including authentication, authorization, and billing. You will help create infrastructure that makes development easier by governing systems holistically and resolving technical debt in a multi-product environment.

Must-haves

  • Backend development experience (approx. 5+ years)
  • Experience elevating AI tool usage from individual to team-wide
  • Experience participating in system development from requirements definition

Nice-to-haves

  • Experience developing billing and payment-related services
  • Experience designing and developing external/internal APIs
  • Experience designing, developing, and operating microservices
  • Experience developing and operating services with over 10 million monthly requests
  • Experience migrating large-scale legacy systems
  • Experience designing and implementing distributed systems

Work style

Onsite in Tokyo Headquarters (Art Village Osaki Central Tower 21F, 1-2-2 Osaki, Shinagawa-ku, Tokyo). Discretionary labor system.

Other notes

Monthly salary: ¥668,000 - ¥1,001,000. Annual salary: ¥8,000,000 - ¥12,000,000. 3-month trial period.

About the Company

フリー株式会社

Categories
SaaSFintechProduct Company
Headquarters
東京都品川区大崎1-2-2 アートヴィレッジ大崎セントラル
Visit Website
Posted7/14/2026
Sourcefindy