@akshit-
Software Engineer
Nothing here yet.
Nothing here yet.
1d ago · 3 min read · While building MustCollab.com, I realized that authentication is only one piece of security. A valid user token proves identity, but it doesn't automatically prove ownership of a resource. Here are so
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May 17 · 2 min read · Imagine you open a food delivery app and check: "Restaurants near Amritsar" Request A goes to the server. Before it finishes, you quickly change location to: "Restaurants near Chandigarh" Request B go
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May 13 · 4 min read · I was working on a WhatsApp AI chatbot recently and hit one of the most important backend architecture problems I’ve faced so far: Meta’s webhook timeout rule. Here’s the complete breakdown of how I s
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May 7 · 4 min read · Never Accidentally Send Duplicate WhatsApp AI Replies — Solving a Race Condition in Express.js with PostgreSQL Advisory Locks I was building a WhatsApp webhook API flow like this: WhatsApp Webhook → E
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