2 weeks ago · devops

DevOps Prerequisites: The “Boring” Fundamentals You Must Understand

DevOps Day 0 - Networks are unreliable by default Packets can be lost, delayed, duplicated, or reordered. Reliability is something protocols add, not something...

2 weeks ago · software

Real-World Error Handling in Distributed Systems

Practical Error Handling in Distributed Systems: What Actually Works Distributed systems look elegant in architecture diagrams, but error handling is where the...

3 weeks ago · software

Brass TS — Building an Effect Runtime in TypeScript (Part 4)

TL;DR brass-http is not a fetch wrapper. It’s an effectful HTTP client built on top of a runtime with fibers, structured concurrency, and cancellation. In the...

3 weeks ago · software

Production-Grade Marketplace Backend

Why marketplace backends fail after launch and how to design for correctness Most marketplace backends don’t fail because of missing features. They fail becaus...

1 month ago · software

FINTECH 101 — HOW TRANSACTIONS REALLY WORK

The Core Mental Model Four pillars: 1. Transaction statuses 2. Callbacks / Webhooks 3. Reconciliation & Status Enquiry 4. Retries, reversals & idempotency If y...