I am Joshua Bellew, a Technical Lead building distributed systems that handle millions of users, process global payments, and stay up when things go wrong.
I have spent 6+ years operating backend systems at scale in highly regulated environments, from services handling 2M+ concurrent users at DAZN, to architecting a Global Payments SDK and running data systems that process 1TB of throughput per second.
I write about what I learn: how production systems fail, how to build AI agents from scratch, and the engineering decisions that matter at scale. If you are building reliable backend systems or exploring agent architectures, you will find something useful here.
- Email: [email protected]