So I've been reading about partitioning for a week. This is the stuff that powers scalable systems - from your favorite SaaS app to massive platforms like Instagram, Netflix, and A

21 | self-taught full stack developer | building products & learning in public | Prev:- @Peerlist |

A simple guide to making your app fast, balanced, and future-proof 

How Data Partitioning Powers Scalable Systems

If you're a developer, data engineer, or just building something that stores user data, understanding how databases store and fetch that data is crucial.Most of us use databases da

Learn how B-Trees, LSM-Trees, SSTables, and storage engines work behind the scenes — with simple explanations and examples anyone can understand

How Modern Databases Actually Store and Retrieve Data

No one taught us testing the right way.They said, “Write tests” but never showed us how.We'll start from very basics and go all the way to advanced logic and React component testin

Learn unit testing from scratch with real examples, clear explanations, and practical code you can use today.

How to Write Unit Tests in JavaScript/Typescript Using Jest

Dropped out of college at 18.Not because I wanted to. but because of financial issues.Family was struggling. I had to figure something out fast.So I joined a real estate company (R

Dropped out. Sold ₹9Cr in Real Estate. No Laptop for a Year. Still didn’t stop

I Wasn’t Supposed to Make It Here.

Replication is the heartbeat of distributed systems. Whether you're running a single-node PostgreSQL server or scaling a global NoSQL database like DynamoDB, replication ensures yo

Gaurav Nardia

21 | self-taught full stack developer | building products & learning in public | Prev:- @Peerlist |