Hidden complexity of building WebSocket servers from scratch
WebSockets Sound Simple Until You Have to Maintain One There's a moment every engineer hits when building a real-time feature: you look at the WebSo…
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Why Data Engineering Is the Oldest Profession in Infrastructure
Not that one. The other one: keeping water flowing to people who need it. The comparison between data engineers and plumbers gets made a lot, usuall…
The Compression Layer Nobody Thinks About Until It's Too Late
WebSocket optimization tends to follow a predictable pattern. You build the connection layer, get events flowing, ship the feature, and move on. Com…
Your Data Warehouse Is Not Your Data Pipeline
Teams keep forcing their warehouse to do integration work it was never designed for. The result is ballooning costs, opaque failures, and architectu…
Data Consistency in Real-Time Systems: Notes From a Trading Infrastructure Article
There's a category of engineering problem I find genuinely interesting: systems where the cost of getting consistency wrong is immediate, measurable…
Build a Real-Time Dashboard with Python, FastAPI, and WebSockets
Your Dashboard Is Lying to You (And Polling Is Why) Every five seconds, your frontend fires a request. The server wakes up, queries the database, se…
WebSocket in Spring Boot, Explained Simply
Stop Polling. Your Server Already Knows the Answer. There's a pattern that shows up in codebases more often than it should: a frontend making repeat…
Streaming Responses in Next.js App Router — Server-Sent Events and ReadableStream
Your API Isn't Slow. Your Response Strategy Is. There's a class of bug that never shows up in your performance benchmarks but destroys user trust ev…
A Banking API Is Not Just CRUD: What Building a Money-Movement Ledger Taught Me
A Banking API Is Not Just CRUD: What Building a Money-Movement Ledger Taught Me I thought a banking API would be mostly CRUD. Make an account. Read…
Kafka is not a queue — and treating it like one will wreck your system
Stop Treating Kafka like a queue! A story about silent lag, vanishing messages, and the mental model shift nobody warns you about. You integrated Ka…
Building a Lean, Single-Worker Broken URL Monitor for Data Pipelines
The Technical Problem: Websites Drift, Pipelines Don't Know Long-running scraping pipelines have a structural assumption baked in: the URLs you conf…