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Nutan-Kum12/README.md

Hi, I'm Nutan Kumar!

🚀 About Me

I'm a Computer Science and Engineering student passionate about Backend Engineering and Mobile App Development. I build backend services using Golang, REST APIs, and databases, along with mobile apps using Flutter, Firebase, and Appwrite.

  • 🎓 B.Tech CSE | Ajay Kumar Garg Engineering College, Ghaziabad
  • 💻 Backend Engineer & Flutter Developer | Building backend services and mobile applications
  • ⚙️ Backend Stack | Golang, REST APIs, Kafka, Redis, MySQL, MongoDB
  • ⭐ LeetCode 700+ problems solved | Codeforces 1200 (Pupil) rating | 2⭐ CodeChef (1500 rating)
  • 🎯 Currently Learning: Advanced Backend Engineering, Kafka & Redis

⚡ Tech Stack & Tools

📊 GitHub Stats

GitHub Stats      Top Languages

🧩 Open Source Contribution

  • ✔️ openSUSE / systemd-mcp — contributed a complete log filtering feature (pagination, time-range selection, regex search) 🔗 PR: openSUSE/systemd-mcp#15

📫 Connect With Me

GitHub LeetCode CodeChef Codeforces LinkedIn

📌 Always open to learning and collaborating on exciting projects! 🚀

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  1. RateLimiterX RateLimiterX Public

    Production-grade distributed rate limiting in Go — Redis-backed Fixed Window & Token Bucket algorithms, JWT auth, tier-based policies, Prometheus/Grafana monitoring, and full Docker deployment.

    Go 1

  2. Ecom Ecom Public

    Go-based e-commerce REST API with JWT authentication, MySQL persistence, product management, cart checkout, and database migrations.

    Go

  3. CLI_Login_System CLI_Login_System Public

    Secure Go CLI authentication system with bcrypt passwords, session management, account lockout protection, optional TOTP 2FA, MySQL, and Docker support.

    Go

  4. Email-verifier Email-verifier Public

    Go-based CLI and REST API for verifying domain email security using MX, SPF, and DMARC DNS records, with bulk verification support.

    Go

  5. Go-Auth-System Go-Auth-System Public

    Secure Go authentication REST API with Gin, MongoDB, JWT access and refresh tokens, bcrypt password hashing, HTTP-only cookies, and rate limiting.

    Go

  6. openSUSE/systemd-mcp openSUSE/systemd-mcp Public

    mcp server for systemd

    Go 10 8