👋 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.

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🧑‍💻 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

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🛠️ Tech Stack

Languages

Backend

Frontend

Databases

AI / Data / Engineering

Cloud & Tools

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🚀 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

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💪 FitQuest

Full-stack fitness application

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

Tech: React Node.js Express MongoDB

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📹 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

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📊 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

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🏆 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

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📚 Currently Learning

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

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📊 GitHub Stats

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📈 Contribution Graph

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🤝 Connect With Me

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⚡ Build. Learn. Ship. Repeat.