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rohitahari/README.md

Rohit Ahari ⚡ Backend Systems Engineer

I build backend systems that don’t break under real usage.

Focused on solving real problems:

  • API abuse
  • Weak authentication
  • Slow performance
  • Unreliable backend systems

🚀 What I Do

I help developers and startups:

  • Secure APIs (JWT, API keys)
  • Prevent abuse (rate limiting)
  • Improve performance (Redis caching)
  • Handle async workloads (job queues)
  • Fix broken backend systems fast

🧠 Core System

API Control Platform

A complete backend system designed to:

  • Manage API access (API keys)
  • Enforce rate limits
  • Track usage per user
  • Prevent abuse early

👉 Built for real-world scaling problems

🔗 Demo: [Add your Loom link]
🔗 Repo: [Add repo link]

⚙️ Backend Systems Built

  • 🔐 Authentication System (JWT, secure login)
  • ⚡ API Caching System (Redis, performance boost)
  • 🚦 Rate Limiter (API protection)
  • 🧵 Job Queue (async task processing)
  • 🔗 URL Shortener (DB + caching system)

🛠 Tech Stack

Python • FastAPI • PostgreSQL • Redis • SQLAlchemy

💡 What I Can Help With

  • API not working / failing
  • Authentication issues
  • Backend performance problems
  • Database errors
  • API abuse (no rate limiting)

🤝 Work With Me

If you're building something and want a backend that actually holds up:

👉 Reach out

I focus on clean, reliable systems — not overengineered code.

Pinned Loading

  1. api-control-platform api-control-platform Public

    API key authentication, rate limiting, and usage tracking system built with FastAPI, PostgreSQL, and Redis

    Python

  2. auth-service auth-service Public

    JWT-based authentication microservice built with FastAPI, PostgreSQL, and SQLAlchemy featuring secure password hashing and protected API endpoints.

    Python

  3. api-cache-system api-cache-system Public

    API caching system built with FastAPI, Redis, and PostgreSQL demonstrating cache-first architecture for faster API responses.

    Python

  4. url-shortener-backend url-shortener-backend Public

    URL shortening service built with FastAPI, PostgreSQL, and Redis caching. Job Queue

    Python

  5. job-queue-system job-queue-system Public

    Distributed background task queue using FastAPI, Celery, and Redis. Rate Limiter

    Python

  6. api-rate-limiter api-rate-limiter Public

    FastAPI middleware implementing Redis-based IP and API-key rate limiting.

    Python