Bekir T.

Backend Engineer building reliable distributed systems.

I document backend engineering tradeoffs, distributed systems behavior, and production debugging notes.

Featured Notes

Recent engineering notes from production work.

Featured Projects

Selected backend and systems case studies.

Geofence Event-Driven Case Study

Processing enter/exit geofence events with ordered retries, duplicate suppression, and visibility into delayed consumer pipelines.

  • Node.js
  • NestJS
  • Kafka
  • PostgreSQL
  • Redis
GitHubCase Study

Kafka Outbox Pattern Demo

Reference implementation for transactional outbox flow with idempotent publishing, dead-letter routing, and operational metrics.

  • NestJS
  • Kafka
  • PostgreSQL
  • Docker
GitHubImplementation Notes