#Platform Engineering

#DevEx

#AI

#CI/CD

Rakuten Rewards - Senior Platform Engineer

📅 2024-04 - Present

🔗 Website

Building secure, observable AI and delivery platforms that let teams ship faster at Rakuten Rewards.

AWS, Kubernetes, GitHub Actions, TypeScript, Go, Python, SQL, NoSQL

  • Defined and led the company-wide AI orchestration platform architecture, aligning stakeholders on a secure, observable stack.
  • Implemented AI observability (traces, metrics, logs) to make model behavior and infra health measurable.
  • Standardized multi-tenant GitHub Actions pipelines, improving MTTR (~55% faster) and deployment frequency (~30% increase).
  • Drove design reviews and rollout planning for production AI use cases across teams.
  • Built an internal developer portal to centralize platform tooling, IaC references, and operational runbooks.