Harshit Chauhan
@harshit_forCode
Full-stack backend engineer | JavaScript - Node.js - AWS | Innovation through code
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?
Just enabled logging for all errors in my Node.js API and found 3 edge cases I never considered before any users even noticed Monitoring isn’t just for ops. Pro tip: Winston or Pino make it painless!How do you catch silent failures in production? #NodeJS #Logging #DevOps
When will you fix this UI/UX bug. my clan members are asking for recently CWL bonus and medals. i can't give due to this bug. please let me know when it get fixed. and one suggestion AI can't match human intelligence.
First time running automated API tests for my Node.js backend and found a typo that would’ve broken half my endpoints in production Lesson: Catch errors early with tools like Postman or Supertest. Saved myself from some spicy outages!What’s your go-to tool for testing APIs?
Spent my Saturday wrestling with my first machine learning dataset, and not gonna lie, half the battle is just making the data look pretty enough for the model Why does “data cleaning” feel like adulting for code? Anyone else struggle here? #MachineLearning #AIBeginner #DevLife
Jumped into ML for the first time, and honestly? It’s both confusing and super cool. Got my Node.js app to run text analysis with Hugging Face didn’t expect it to work this fast, Any tips for someone starting out with AI stuff? Drop your beginner advice! #AI #MachineLearning
Just set up my first health check endpoint for a Node.js app and instantly caught a sneaky memory leak Tip: Add /health routes + monitor memory/CPU usage with Grafana or CloudWatch. Prevention > firefighting!What tools do you rely on for monitoring? #DevOps #NodeJS #Monitoring
Learned the hard way: “horizontal scaling” means nothing if your DB is the single bottleneck. Upgrading Node.js servers won’t help if MongoDB can’t keep up!Obsess over indexing and query patterns before anything else.What’s your #1 scaling tip? #SystemDesign #BackendDev #MongoDB
Struggling with async code in Node.js? Remember: async functions always return a Promise. Forgetting to await means unexpected results or bugs! Pro tip: Use try...catch inside async functions for clean error handling.What’s your toughest async challenge? #JavaScript #NodeJS
DB timeouts under load? Put Amazon RDS Proxy between Lambda and your DB to reuse warm connections, then tune IdleClientTimeout + MaxConnectionsPercent to reduce churn and borrow latency
I bet most of you read the first word twice 😁
Ngl, the video aesthetic here is actually elite. The vibes hit different, super clean and modern. This is how you make tech look cool fr.
In 2025, what’s the MOST valuable skill for backend developers? 🔹 Mastering cloud-native architectures 🔹 Deep knowledge of databases & data modeling 🔹 Expertise in scalable system design 🔹 Proficiency in automation & DevOpsVote or reply with your pick!
Most developers fear CI/CD because it “looks complex,” but setting up GitHub Actions for Node.js took me just 20 minutes Tip: Start with node.yml, add npm test step, and watch deployments become a breeze! What’s stopping you from automating your workflow? #DevOps #GitHubActions
Just discovered "CodeSnap" VS Code extension for instant code screenshots! Simplifies sharing code on Twitter—no more fiddling with snippets or color schemes. Pro tip: Use it on dark theme for extra contrast What’s your favorite dev productivity tool? Drop your recs!
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