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Jan 2 · 4 min read · “There are only two hard things in Computer Science: cache invalidation and naming things. — Phil Karlton” Caching is supposed to make systems faster.But most production bugs I’ve seen around performance had one thing in common — stale cache. The sys...
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Jan 1 · 2 min read · It started as a quick fix. A production issue.A tight deadline close to release.A message from Manager: “Can we hot-fix this today?” So I did what any responsible engineer would do. // TODO: Temporary fix, will clean up later I told myself: “This i...
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Dec 29, 2025 · 3 min read · Before WebSockets, the web didn’t talk — it waited. Imagine opening a chat app and repeatedly tapping Refresh just to see if someone replied.That’s not a bug. That was the design. If a server had new data, it couldn’t notify the client.The client had...
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Dec 25, 2025 · 3 min read · Have you ever closely observed a librarian or a bookstore owner? When you ask for a book, they don’t immediately run to the warehouse. First, they check nearby — on their desk or the closest shelf. If the book is there, they hand it over instantly.If...
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Aug 17, 2025 · 3 min read · Introduction : Imagine you have a super-smart team of people who not only understand what you want, but can also figure out how to get it done on their own. That’s the promise of Agentic AI. Unlike traditional AI systems that just follow instructions...
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