SRE (Founding Site Reliability Engineer)

Salary (published): ¥10,000,000–¥20,000,000 / year. Languages: Japan-based role; language requirements not specified on the posting.

About the role

Founding SRE for one of Japan’s largest trading-card e-commerce platforms: define the reliability practice from scratch — SLO/SLI, IaC, observability, and incident response — for a high-traffic consumer service.

Responsibilities

• Design and establish the company’s SRE foundations
• Define SLO/SLI; build observable system architecture
• Lead Infrastructure-as-Code practices (Terraform)
• Manage incident-response protocols
• Leverage AI tools for automation

Qualifications

• 5+ years of infrastructure / SRE / DevOps experience
• 3+ years managing AWS production environments
• Terraform proficiency
• Production incident management and root-cause analysis

Nice to have

• Kubernetes; GCP
• High-traffic systems
• Go / Python / TypeScript scripting
• Database optimization; security audits
• AI-driven automation

Tech stack

AWS (ECS/EKS, RDS, Lambda, S3), Terraform, Docker, Datadog, GitHub Actions, Claude Code, Cursor, PagerDuty.

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External listing — the salary range is stated on the official posting (verified live 2026-07-30). The Apply button takes you to the company’s official HERP page.