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prajwalkarajange/README.md


B.Tech CGPA University Topper

Location



About Me

I am a Full Stack Developer and Software Engineering enthusiast focused on building scalable applications, intelligent systems, and enterprise-grade solutions.

My expertise spans Java, C++, React.js, SQL, System Design, Data Structures & Algorithms, and AI-driven software development. I enjoy transforming ideas into production-ready applications while maintaining strong engineering principles, security standards, and performance optimization.

Open To

  • Software Engineering Internships
  • Full Stack Development Roles
  • AI / ML Projects
  • Open Source Contributions
  • Research Collaborations
  • Product Engineering Opportunities

Tech Stack

Languages

Frontend

Backend & Databases

Cloud, DevOps & Tooling


Featured Projects

🔐 Secure Vault

Enterprise Credential Management Platform

Category Details
Stack Java, MySQL, AES-256, RBAC
Scale Multi-user secure environment
Performance Optimized encrypted storage
Security AES-256, MFA, Salted Hashing
Impact Reduced unauthorized access risk by 90%
Repository Add Repository Link

Overview

Secure Vault is a highly secure credential management system designed with industry-standard encryption and authentication mechanisms. The application implements role-based access control and secure credential storage for enterprise-grade security.

🚗 Car Rental System

Automated Rental Management Platform

Category Details
Stack Java, MySQL, OOP
Scale Vehicle, Customer & Booking Management
Performance Automated pricing workflows
Security Validated booking operations
Impact Reduced manual work by 80%
Repository Add Repository Link

Overview

A complete rental automation system featuring dynamic pricing, vehicle management, booking workflows, and persistent data storage.

🏦 ATM System Simulation

Banking Operations Simulator

Category Details
Stack Java, OOP, Exception Handling
Scale Multi-operation banking simulation
Performance Modular architecture
Security PIN Authentication
Impact Reduced system errors by 40%
Repository Add Repository Link

Overview

A banking simulator replicating real-world ATM transactions including deposits, withdrawals, authentication, and account management.


Experience

Software Development Intern

Code Tech IT Solution

Apr 2025 – May 2025

Developed high-performance software systems with focus on optimization, scalability, and reliability.

Responsibilities

  • Built multithreaded file compression solutions
  • Improved processing efficiency by 30%
  • Optimized file I/O operations
  • Implemented robust exception handling
  • Collaborated remotely in development workflows

Skills: C++ Multithreading File Systems Git Debugging


Google Student Ambassador – Gemini AI Program

Google

Jul 2026 – Present

Selected to represent Google's Gemini AI initiatives and promote AI literacy through community engagement.

Responsibilities

  • Conduct AI workshops
  • Lead student initiatives
  • Promote Gemini AI adoption
  • Build technical communities
  • Mentor students in AI technologies

Skills: AI Leadership Public Speaking Community Building


Achievements

Recognition Details
🏆 University Topper Highest academic performance across engineering branches
🏆 Department Topper (IT) Ranked #1 in Information Technology Department
🚀 Hackathon Finalist Recognized for innovation and engineering excellence
🥇 Codex Java Competition Winner Competitive programming and software design excellence
🌟 Google Student Ambassador Selected for Gemini AI Program

Certifications

AWS

AWS

Oracle

Oracle

NPTEL

NPTEL

Cisco

Cisco


Coding Profiles


GitHub Analytics


🏆 Developer Insights


Contribution Activity


🐍 Contribution Snake

github contribution snake


Current Focus

Learning:
  - Advanced System Design
  - Cloud Architecture
  - Generative AI
  - Large Language Models

Building:
  - Full Stack Applications
  - AI Powered Products
  - Open Source Projects

Exploring:
  - Distributed Systems
  - DevOps Engineering
  - Scalable Backend Systems

Open_To:
  - Software Engineering Internships
  - AI/ML Opportunities
  - Product Development Roles
  - Open Source Collaborations

Connect


"Engineering scalable solutions, building intelligent systems, and creating impact through technology."

Pinned Loading

  1. student-management-system-java student-management-system-java Public

    A Java-based Student Management System demonstrating Object-Oriented Programming (OOP), CRUD operations, Java Collections Framework, modular architecture, clean coding practices, and problem-solvin…

    Java

  2. library-management-system-java library-management-system-java Public

    📚 A clean, object-oriented Java console application that demonstrates CRUD operations, Java Collections Framework, exception handling, and modular software design through a Library Management System.

    Java

  3. java-quiz-console-application java-quiz-console-application Public

    Console-based Quiz Application built with Java using Object-Oriented Programming principles, user input handling, score evaluation, and clean class-based architecture.

    Java

  4. java-servlet-jsp-registration-system java-servlet-jsp-registration-system Public

    A full-stack Java web application demonstrating MVC architecture with Servlets, JSP, JDBC, MySQL, session management, and responsive frontend design.

    Java

  5. Todos Todos Public

    This is a simple and responsive Todo Application built using React and Vite that helps users efficiently manage their daily tasks. The application allows users to add new tasks, mark them as comple…

    JavaScript

  6. Car-Rental-System Car-Rental-System Public

    A Java-based Car Rental System built using Object-Oriented Programming (OOP) concepts. This project allows users to rent and return cars through a console-based interface, managing customers, renta…

    Java