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Krishnendu-1/README.md

It's Me:

Hi 👋, I’m Krishnendu Roy
A final-year B.Tech student in Computer Science & Engineering at Narula Institute of Technology, Kolkata.

I am a Backend developer with strong expertise in building scalable and secure applications using the modern tech stack. I specialize in backend architecture, real-time systems, and API design, with hands-on experience in deploying production-ready applications.

Alongside development, I have a deep interest in research, particularly in post-disaster communication systems using Delay Tolerant Networks (DTN) and drone-based surveillance technologies.

🔭 Currently building scalable Backend applications with focus on performance & security
👯 Open to collaborating on impactful open-source and research-driven projects
🌱 Learning advanced backend architecture, microservices, Cloud Computing and system design
📫 Reach me at: roykrishnenduroy01@gmail.com
👨‍💻 GitHub: https://github.com/Krishnendu-1
📄 Resume: https://drive.google.com/file/d/1-gMW8dbbCrLFUsJ8CLFYoHZdBsA2QDQq/view?usp=drive_link
⚡ Fun fact: I once aimed to become a doctor but ended up engineering scalable systems instead 😄

🚀 Featured Projects

🔹 NexusMedia – Scalable Content Management System

• Built a secure backend using Node.js, Express & MongoDB with JWT authentication
• Designed optimized aggregation pipelines for efficient querying
• Integrated Multer + Cloudinary for media handling
• Developed robust REST APIs tested under load

🔹 MovieLens – Recommendation System

• Built using Python & Streamlit with TF-IDF and cosine similarity
• Leveraged Scikit-learn & Pandas for intelligent recommendations
• Integrated TMDb API for real-time movie data & posters

🔹 ChitChat – Real-time Messaging Platform

• Developed full-stack chat app with React, Node.js & Express
• Implemented real-time communication using Socket.IO
• Designed seamless anonymous group chat experience

📚 Research

📄 Reliable Communication in Post-Disaster Environment using DTN
• Designed and optimized DTN-based system improving communication efficiency by 55%
• Validated model using ONE Simulator with real-world mobility data
• Published with ISSN: 3049-1762

🏆 Achievements

🏅 Best Paper Award – RAICCIT 2025
🏅 Paper Presentation – TCSCON 2024
🏅 Team Leader – Smart India Hackathon 2024 (Chakravyuha)
💻 Solved 100+ DSA problems on LeetCode & Coding platforms
📜 Certified in IoT (IIT Madras), AI (IIT Guwahati), Backend Dev (Meta), OOP (UIUC)

🌐 Socials

LinkedIn

💻 Tech Stack


C C++ JavaScript TypeScript Python Java

React NodeJS Express.js MongoDB

PostgreSQL MySQL Redis

Docker AWS Linux

TailwindCSS Bootstrap

Git GitHub Postman

📊 GitHub Stats:



🏆 GitHub Trophies

✍️ Random Dev Quote

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  1. NexusMedia_Backend NexusMedia_Backend Public

    NexusMedia Backend is a Node.js, Express, and MongoDB-powered backend for media applications. It supports user management, content uploads, and subscriptions with features like JWT-based authentica…

    JavaScript 1

  2. itzsudipta/NIRIKSHA-Ai-Powered-TOF-Drone-System itzsudipta/NIRIKSHA-Ai-Powered-TOF-Drone-System Public

    The AI-Powered TOF Drone System is a cutting-edge research and development project focused on enhancing drone perception and analytics. Leveraging advanced computer vision models like YOLOv8 combin…

    Jupyter Notebook 3

  3. DishaBasu/MOVIE_LENS DishaBasu/MOVIE_LENS Public

    Movie Recommendation Model Training & Building API Routes using Python

    Jupyter Notebook 2

  4. LMS_backend LMS_backend Public

    Learning Management System backend using node.js, exrpess and integrated payment gateway

    JavaScript 1

  5. Twik-a_tweet_app Twik-a_tweet_app Public

    Full stack Django project to create, edit, delete and view tweets from different usernames with Register, Login and Logout functionalities.

    Python 1

  6. Own_git Own_git Public

    Implemented `git cat-file <blob_sha>` and `git hash-object -w test.txt` with CodeCrafters lessons and learnt .git in-depth

    JavaScript