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Harshkamboj11/README.md

Harsh Kumar / README.md

I build backend systems that make ideas actually work in the real world.

From designing REST APIs and database schemas to implementing secure authentication and debugging production issues — I focus on what runs behind the scenes.

Some projects scaled. Some broke.
Every one of them improved my engineering depth.

@building
Oldlance (MERN Marketplace for retired professionals)
SplitWise (TypeScript + PostgreSQL expense system)
kartiffy.in (E-commerce / Shopify / Funnel Optimization)
Personal Portfolio Live Link
Building secure APIs, structured backends, and scalable systems.

@learning
Advanced Backend Architecture System Design fundamentals
C++ (Core + DSA)

Learning, building, breaking, refactoring — upgrading every line of code.

@stack
Node.js • Express • MongoDB • PostgreSQL • MySQL
REST APIs • JWT • RBAC • WebSockets
React • TypeScript • Tailwind
Git • Postman • Debugging production issues

@interests
Designing scalable backend systems
Understanding how large systems are structured
Building digital products from idea to launch
Solving real-world problems through engineering

Pinned Loading

  1. DSA-in-cpp DSA-in-cpp Public

    C++

  2. Personal-Portfolio Personal-Portfolio Public

    JavaScript

  3. QueueAway---Whatsapp-integrated-Queue-management-system QueueAway---Whatsapp-integrated-Queue-management-system Public

    TypeScript

  4. CCExtractor/ccsync CCExtractor/ccsync Public

    Built for Taskserver Project in GSoC'24 @CCExtractor

    TypeScript 39 78