Writing on data systems, software engineering, and building for the web.
So You Want to Turn Your Web App Into a PWA?A while back, I went down the PWA rabbit hole for a side project, a little calorie tracker I’d built with React and Vite. I kept seeing the term “PWA” throw...
Read moreHow I Deploy My Next.js App on AWS Amplify (Simple Guide + One Bug I Hit)A beginner-friendly walkthrough: why I picked Amplify, how I deploy, what it costs, and a sneaky bug I ran into.When my Next.js...
Read moreRunning an Express app locally is simple node index.js, done. Deploying it to AWS Lambda is a different story - not because it's hard, but because Lambda works nothing like a traditional server.Th...
Read morePayments look simple from the outside. Show a button, collect money, unlock the feature.I wired up Razorpay into a subscription-based React + Node.js app recently and spent more time than I’d like to ...
Read moreLLM GeneratedWe generate barcode PDFs using Puppeteer. One day, a client reported that barcodes aren’t scanning properly after printing. We checked the PDF - looked fine. Opened it on screen - sharp a...
Read moreBefore New Relic, debugging a slow API in production meant one thing, staring at console.log output and guessing.Someone reports “the order page is slow.” You have no idea if it’s a slow query, a slow...
Read moreDebezium was going down 3–4 times a month. Its only job in our system was publishing events to Kafka — order created, PO created, that kind of thing. Every time it went down, events were lost.So I rep...
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