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karanupd12/README.md

👋 Hey there! I’m Karan 🚀

Full-Stack Developer | Java | DSA | System Design 💻

Final-year B.Tech (IT & Software Engineering) student building production-grade backend systems with Java & Spring Boot. Specializing in scalable REST APIs, clean architecture, system design, and database optimization. Strong problem-solving foundation.

Portfolio LinkedIn GitHub LeetCode Medium Email

Engineering Snapshot ⚙️

  • 🏗️ Designs scalable backend systems using Java, Spring Boot, and RESTful architectures
  • 📘 Strong grounding in DSA, OOP, SOLID, Clean Architecture, and design patterns
  • 🧩 Hands-on with system design (LLD & HLD) and real-world trade-offs
  • 🏆 Competitive programmer with strong command over Data Structures & Algorithmis (LeetCode Knight⚔️ | CodeChef 2★)
  • 🔗 Experience building blockchain-based and AI-assisted applications

Tech Stack 🛠️

Java Python JavaScript Solidity Spring Boot Hibernate Spring Security REST API React TailwindCSS MySQL PostgreSQL MongoDB Docker Git Maven Postman Hardhat

GitHub & Competitive Programming 📊

Profile Views

What I’m Focused On 🎯

  • Designing low-latency, scalable backend systems
  • Mastering System Design interviews (LLD + HLD)
  • Writing clean, testable, production-ready Java code
  • Exploring AI-assisted and decentralized system design

Core Strengths 💡

  • Backend Engineering: Java, Spring Boot, REST, Microservices ⚙️
  • System Design: APIs, data modeling & schemas, scalability, trade-offs
  • Problem Solving: Searching, Sorting, Graphs and Dynamic Programming with in depth Complexity Analysis 🧠
  • Emerging Tech: Blockchain(Ethereum and Hardhat), smart contracts, AI integration
Open to high-impact internships and full-time engineering roles. 🚀 📫 Reach me at [email protected]

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  1. Asgard Asgard Public

    A decentralized image storage + sharing platform that leverages blockchain and IPFS to ensure secure, censorship-resistant storage and true digital ownership. It operates on the Polygon Amoy testne…

    JavaScript 1

  2. Mail-minter Mail-minter Public

    Gmail-integrated AI assistant that injects a native action button via a Chrome extension to generate context-aware, tone-customized email replies, reducing average response time by ~85%.

    JavaScript 1

  3. AI_TraceFinder AI_TraceFinder Public

    Forked from springboardmentor0509-source/AI_TraceFinder

    AI TraceFinder is a forensic AI platform that identifies the scanner device used to digitize a document by analyzing invisible hardware-specific noise and texture fingerprints. It enables document …

    Python

  4. spend-wise-api spend-wise-api Public

    SpendWise is a full-stack personal finance platform that replaces error-prone Excel workflows with a centralized, intelligent system for tracking income, expenses, and bills. Built using a structur…

    Java