Harshit Chauhan
@harshit_forCode
Full-stack backend engineer | JavaScript - Node.js - AWS | Innovation through code
Spotted a weird spike in 5xx errors last night… turns out a DNS config expired and requests were timing out upstream. Added an uptime monitor with instant Slack alerts—now I know before my users do.What’s your “why didn’t I automate this sooner” moment? #DevOps #NodeJS
Found one API call taking 6 seconds,turns out it was doing multiple MongoDB lookups in a loop. Refactored to a single aggregation pipeline and it dropped to under 200ms, Moral of the story: Optimize data flow before blaming the server. Ever had a “wait… it was the query” moment?
Just optimized a slow-loading admin dashboard in my Node.js app by switching to server-side rendering for heavy data pages, Response times now under 200ms, and the UX feels snappier. Sometimes, big wins come from small tweaks!What’s your go-to performance hack lately? #NodeJS
Set up request logging in my Node.js API and instantly realized half my endpoints were being hit twice 😅Turned out to be a frontend retry config I totally forgot about. Simple logs, big sigh of relief.Tip: Logging isn’t just for errors , it tells stories your app can’t. #NodeJS
दीपोत्सवः सर्वत्र शान्तिं सौख्यं च वर्धयतु। भवद्भ्यः दीपावल्याः हार्दिकाः शुभकामनाः। 🪔
Thinking of switching jobs, but my company has a 2-month notice period 😓 Hard to study or upskill with a strict 9–6 schedule — weekends are all I get.
Found that one missing DB index was slowing down an entire API endpoint Added it, and query time dropped from 3.2s → 120ms.Crazy how small tweaks can feel like magic when you’re deep in backend work.What’s your biggest “one‑line fix” win? #MongoDB #BackendDev #NodeJS
Just optimized a slow API by caching frequent DB results in Redis Response time dropped from 1.8s → 250ms instantly.Lesson learned: Not every performance issue needs more hardware. Sometimes, it's just smarter data flow Do you cache on the app layer or DB side? #NodeJS #Backend
Caught a 500 error loop before it hit users, turns out one unhandled Promise rejection was silently crashing the process. Added a global error handler + process watcher, and now it auto‑recovers and logs everything Small fix, huge peace of mind. You log unhandled rejections too?
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