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2025–presentbackend · ai · infraEngineer · owns multiple services·2025 — present·production

Healthcare platform (Caregene).

Distributed microservices in production — my day job.

k8s cluster · grpc + kafka
javagopythonswift · iosnodegrpc
kafka
events · 14k/s
p99 · 38msNDA

problem

A regulated healthcare domain needs services that are independently deployable, integrate cleanly, and keep sensitive data handled with care.

approach

I work across a polyglot microservices backend — owning several services end-to-end, from data model and API design through tests and deployment — with gRPC for service-to-service calls, Kafka for event-driven workflows, and Kubernetes for orchestration.

outcome

In production. (Internal details are under NDA, so this is kept intentionally high-level.)

role
owns multiple services
stack
polyglot · gRPC · Kafka
domain
regulated healthcare

stack rationale

  • gRPCTyped, schema-first contracts between services across multiple languages.
  • KafkaEvent-driven, decoupled services — producers and consumers evolve independently.
  • KubernetesMany languages, one deployment surface; isolation and rolling deploys per service.

full stack

  • Node.js / NestJS
  • Java
  • Kotlin
  • Python
  • gRPC
  • Kafka
  • Kubernetes