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Browse thousands of tech jobs at Japanese startups and companies. Translated for foreign engineers.

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Jobs→Sansan株式会社→R&D Department Platform Engineer

R&D Department Platform EngineerEnglish summary from Japanese

Sansan株式会社

✓ Detailed
Salary
11.52 million JPY - 29.17 million JPY
Apply on FINDY

Role summaryEnglish summary from Japanese

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

As a Platform Engineer in the R&D department, you will design, build, and operate the Cloud Development Environment (CDE)/Job infrastructure used by over 40 researchers and engineers, as well as the microservices infrastructure supporting over 100 services. You will be responsible for improving productivity and reliability through daily decision-making on technology choices.

Must-haves

  • 2+ years of experience designing, building, and operating common infrastructure used by multiple products/teams in production (e.g., Kubernetes, ECS, Cloud Run, custom platforms).
  • Experience managing production infrastructure with IaC (e.g., Terraform).
  • Experience making abstraction decisions considering developer cognitive load and trade-offs.
  • Experience designing and operating infrastructure on AWS or GCP.

Nice-to-haves

  • Experience operating Kubernetes with an understanding of its internal workings (Pod/Node lifecycle, scheduling, Controller pattern).
  • Experience designing and implementing security considerations (IRSA, NetworkPolicy, audit logs).
  • Practical experience in SRE or FinOps.
  • Interest in CNCF Projects, speaking at conferences, or writing technical blogs.

About the Company

Sansan株式会社

Headquarters
東京都渋谷区桜丘町1-1 渋谷サクラステージ 28F
Visit Website
Posted8/6/2026
Sourcefindy

Tech stack

PythonGoTerraformGitHub ActionsArgo CDNew RelicOktaEKSKarpenterNVIDIA GPU OperatorOpenTelemetryPrometheusGrafanaFluent BitIstioKEDACoderKueueKubeflow TrainerTetragon

Work style

Hybrid work is supported with flexible core hours (10:00-16:00). Offices are located in Tokyo (Shibuya), Osaka, Aichi (Nagoya), and Fukuoka. The Shibuya office is directly connected to Shibuya Station and features a free address system with sit-stand desks and various meeting spaces.

Other notes

Salary range: Monthly 795,000 JPY - 1,971,000 JPY. Annual salary: 11,520,000 JPY - 29,170,000 JPY. Bonus twice a year (January/July). Probationary period of 6 months.