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harshitsharmaaaa/README.md

Hi, I'm Harshit Sharma πŸ‘‹

Full-stack engineer who likes backend systems that don't fall over.
CS (AI & Robotics) undergrad at VIT Chennai Β· graduating May 2027 Β· open to internships

Portfolio LinkedIn X Email


🧭 What I do

  • Build full-stack web apps with React, Next.js, Node.js and TypeScript
  • Design backend systems: REST APIs, auth, webhooks, queues, retries and idempotency
  • Integrate LLM and third-party APIs (OpenAI, Claude, Gemini) into reliable workflows
  • Care about testing and debugging: regression, fuzz and invariant tests, structured logs, health checks
  • Solve problems on the side: 250+ LeetCode problems across graphs, trees and DP

πŸš€ Featured projects

Project What it is Stack
RateLimiter Published npm SDK and API platform with Fixed Window, Sliding Window, Token Bucket and Leaky Bucket algorithms; API-key/JWT auth, analytics, health checks. Local benchmarks hit 5,000+ req/s. TypeScript, Fastify, PostgreSQL, Redis, Docker
TheBlackBox Secure code execution engine: queue-backed workers, retries, resource limits, isolated containers. Validated across 1,000+ benchmark runs. Node.js, C++, BullMQ, Redis, PostgreSQL, Docker
AI Work Flow AI workflow automation platform with multi-step LLM orchestration, tool calling, structured outputs, async jobs, webhooks and execution traces. Next.js, React, TypeScript, OpenAI API, Trigger.dev
KEYMESH 2-of-3 threshold-ECDSA authorization with session binding and guardian recovery, validated with 410+ fuzz and invariant tests. Rust, TypeScript
Crypt Multi-chain HD wallet: BIP39/BIP44 key derivation, client-side cryptography, RPC failover across Ethereum and Solana. TypeScript, Ethereum, Solana
Self-Healing Hybrid RAG Hybrid retrieval pipeline with self-healing correction for weak context. LLM APIs, retrieval

πŸ› οΈ Tech stack

LanguagesΒ  TypeScript JavaScript Rust C++ SQL HTML5 CSS3

FrontendΒ  React Next.js Vite

BackendΒ  Node.js Fastify Express Bun

DataΒ  PostgreSQL MongoDB Redis Prisma

Cloud & ToolsΒ  Docker AWS Vercel Netlify Git npm

Also: tRPC, Drizzle ORM, BullMQ, Trigger.dev, React Flow, Browserbase, Stagehand.

πŸ“Š GitHub stats

GitHub stats Top languages

GitHub streak

🀝 Let's connect

I'm looking for internship and early-career software engineering roles, especially backend, full-stack and integrations work. The best ways to reach me are LinkedIn or email.

Popular repositories Loading

  1. Back_end Back_end Public

    first project on backend

    TypeScript 1

  2. Enzo Enzo Public

    this is a backend file for just normal authentication

    1

  3. CN CN Public

    This is web3 project for solana

    JavaScript 1

  4. Ai-chatBot Ai-chatBot Public

    this is a next js website where i've build a simple ai chat bot

    1

  5. Solve-a-thon Solve-a-thon Public

    TypeScript 1

  6. Learning Learning Public

    Just writing backend for improvments

    TypeScript 1