Backend engineer.

I work primarily in Go and Python, building APIs, payment systems, and data pipelines. Most of my recent work has been in fintech — Go microservices handling payment event processing at Payd HQ, and backend systems for a talent platform at Zone01 Kisumu (01 Talent Partner).

I care about what happens when systems fail: partial writes, retry loops, inconsistent state across services. That's where most of the interesting engineering work actually is.

PesaFlow — M-Pesa payment integration backend in Go. STK Push, C2B callbacks, double-entry ledger, idempotency via Redis. The hard part: Safaricom retries callbacks three times. Your handler must produce the same result every time.

Monolith — Local-first documentation indexer. Search across local files, Google Drive, and Notion from one interface. No cloud sync. Entirely on your machine.

Tweet Audit — Resumable pipeline for processing a full X archive against the Gemini API. Rate-limited, checkpoint-based, recovers from mid-run crashes.

Go · Python · PostgreSQL · Redis · Kafka · Django · FastAPI · Docker · Kubernetes

• Cache Invalidation: The Silent Performance Killer
• Mastering CORS in Golang

email     oferdinaddev112@gmail.com
linkedin  linkedin.com/in/ferdynand-odhiambo
web       f3rdinand.vercel.app