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Building scalable full-stack systems
🚀
Building scalable full-stack systems
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Achievements

Achievement: Pull Sharkx2Achievement: YOLO

Achievements

Achievement: Pull Sharkx2Achievement: YOLO

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Deadpool2e/Readme.md

👋 Hi, I'm Krishna Nand Dubey

Software Engineer @ TCS | Java • Spring Boot • React • TypeScript

I’m a Software Engineer focused on building scalable full-stack applications, backend services, and AI-powered systems.

My primary development stack includes Java, Spring Boot, React, TypeScript, REST APIs, and SQL, with a growing focus on system design, distributed systems, cloud, and AI/LLM applications.

🧑‍💻 About Me

  • 💼 Software Engineer at Tata Consultancy Services (TCS)
  • ⚙️ Building applications with Java, Spring Boot, React & TypeScript
  • 🏗️ Interested in System Design, Distributed Systems & Backend Engineering
  • 🤖 Exploring LLMs, RAG, AI Agents & AI-powered applications
  • 🧠 Solved 1000+ DSA problems
  • 🏆 Qualified for the Global Finals of TCS AI Friday Season II
  • 🌱 Currently strengthening my skills in Cloud, DevOps & System Design

🛠️ Tech Stack

Languages

Backend

Frontend

Databases

AI / Data / Engineering

Cloud & Tools

🚀 Featured Projects

🚚 Supply Chain Resilience Engine

AI-powered supply chain disruption planning and recovery engine

A multi-agent system designed to analyze supply chain disruptions, assess network impact, generate recovery strategies, and optimize recovery decisions.

Tech: Python FastAPI React TypeScript LLMs RAG NetworkX OR-Tools

Highlights

  • Supply chain network graph modeling
  • Disruption impact analysis
  • Recovery candidate generation and pruning
  • Constraint-based optimization
  • AI recommendations and explainability
  • Real-time simulation
  • Human-in-the-loop workflows

💪 FitQuest

Full-stack fitness application

A web application focused on fitness workflows, authentication, user management and personalized features.

Tech: React Node.js Express MongoDB

📹 Video Call Application

Real-time video communication application

A browser-based video calling application built around real-time communication technologies.

Tech: React WebRTC Socket.IO JavaScript

📊 Google Sheets Clone

Interactive browser-based spreadsheet application

A spreadsheet-style web application focused on complex UI interactions, state management and client-side data manipulation.

Tech: React JavaScript

🏆 Highlights

Achievement Details
🏢 Professional Experience Software Engineer @ TCS
🏆 Hackathon Qualified for TCS AI Friday Season II Global Finals
🧠 DSA 1000+ problems solved
💻 Core Stack Java, Spring Boot, React, TypeScript
🤖 AI LLMs, RAG, AI Agents

📚 Currently Learning

System Design
Distributed Systems
Advanced Spring Boot
Cloud Architecture
AWS
Docker & DevOps
AI Agents
LLM Applications

📊 GitHub Stats

📈 Contribution Graph

🤝 Connect With Me

⚡ Build. Learn. Ship. Repeat.

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  1. FitQuest FitQuest Public

    Implemented robust user registration and login functionalities. Integrated external APIs for personalized health insights. Build a scalable backend.

    JavaScript

  2. CommentApp CommentApp Public

    Designed and implemented an interactive comment system with 5-10 static pages resembling blog posts. Tailored features for both logged-out and logged-in users, enhancing user engagement and interac…

    JavaScript

  3. Vedio-call-app Vedio-call-app Public

    Engineered a responsive interface facilitating fluid communication, and devised a scalable backend for streamlined real-time communication, establishing a robust foundation for future expansion and…

    JavaScript

  4. Student_database Student_database Public

    Developed a student database with features for adding, deleting, and updating contents (CRUD operations).

    JavaScript

  5. Boll_game Boll_game Public

    Used Canvas API to create this. In this you can watch the current score and remaining lives.

    JavaScript

  6. typing_test typing_test Public

    Created using HTML, CSS and JS. You can test your speed and accuracy by typing the quote in this project.

    JavaScript