$ whoami
Hi, I'm Alex — backend engineer & open-source tinkerer.
I build fast, reliable APIs and distributed systems, and write about the things I learn (and break) along the way.
01. Latest posts
Why I Rewrote Our API Gateway in Rust
A deep dive into the performance bottlenecks we hit at scale, and what moving off Node.js actually bought us.
Read post →Debugging a Race Condition That Took Three Weeks to Find
The story of an intermittent production bug, the wrong turns I took chasing it, and the one log line that cracked it open.
Read post →A Practical Guide to Database Indexing (No Fluff)
Everything I wish someone had told me about indexes before I spent a weekend fixing a 40-second query.
Read post →02. Toolbox
Go
Rust
TypeScript
PostgreSQL
Redis
Kafka
Docker
Kubernetes
AWS