- π οΈ Freelance Backend Engineer based in Tokyo, 26 years old
- π₯ Specialized in Go, TypeScript, and microservices architecture
- βοΈ Learning SRE, DevOps, and Infrastructure (GCP / AWS / Kubernetes)
- π§ Strong at system design, database modeling, and driving teams
- π Passionate about building things that balance speed and scalability
- Languages: Go / TypeScript / SQL / Terraform
- Frameworks: NestJS / Express / gRPC / GraphQL / gqlgen
- Infrastructure: GCP / AWS / Kubernetes / Cloud Spanner / Cloud Run
- Tools: Docker / GitHub Actions / Pub/Sub / SendGrid
- Other: Clean Architecture / DDD thinking / Testing (Vitest, Blackbox)
- π¨βπ» Built and maintained microservices with Go, gRPC, and Cloud Spanner, ensuring 100% test coverage
- β‘ Designed and implemented CDC pipelines for real-time data synchronization between services
- π Led backend architecture design for a SaaS product, from tech stack selection to CI/CD automation
- βοΈ Provisioned and managed GCP / AWS infrastructure using Terraform
- π Migrated legacy admin systems to low-code platforms, establishing GraphQL BFF APIs for smooth transition
- π οΈ Built event-driven systems with Pub/Sub and asynchronous API integrations
- π Actively contributed to internal documentation, codebase onboarding, and developer enablement initiatives
- π€ Organized and hosted internal tech events to boost engineering culture
- π Operated across backend, frontend, and infrastructure layers in startup and mid-size environments
- π GitHub (Takenari-Yamamoto)
- βοΈ Qiita (takengineer1216)
- π note (Takenari.Y)
- π§ [email protected]