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💻 Learning DSA & Java 🧠 Building Projects
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💻 Learning DSA & Java 🧠 Building Projects
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VaradrajVelhal/README.md

Role Focus

Stack Seeking

DSA HackerRank


🧠 What I Do

⚙️ Backend Engineering Django REST Framework · JWT Auth · RBAC · Custom User Models · Serializers · Middleware · MVC

🤖 AI Integration OpenAI API · Gemini API — embedding AI features into full-stack apps

🗄️ Databases PostgreSQL schema design · Indexing · Query optimization · N+1 prevention

🐳 DevOps Docker · Docker Compose · Gunicorn — production-style containerized deploys

🧪 Testing Django TestCase · DRF APIClient · Postman — auth, validation & workflow coverage

🎨 Frontend React.js (Vite) · Tailwind CSS · Bootstrap — responsive, role-aware UIs

🧰 Tech Arsenal





🚀 Featured Builds

🩸 LifeLink

Real-time blood request coordination

React (Vite) DRF PostgreSQL Docker

Role-based dashboards for hospitals & donors. Concurrency-safe acceptance via transaction.atomic + select_for_update. N+1-free ORM calls. Full integration test suite + structured logging.

🔗 lifelink44.vercel.app

💼 HireFlow

Job tracking & application manager

React DRF JWT Docker

Tracks applications through applied → interview → offer → rejected. Cron-based job fetching + email reminders cut manual tracking effort by 60%.

🔗 hiref-low.vercel.app

🏛️ Scheme Engine

Govt. eligibility checker

Django ReportLab Chart.js Docker

Rule-driven engine for 20+ government schemes — zero hardcoded logic. Indexed multi-condition eligibility checks + live PDF/Chart.js reporting.

🔗 rural-scheme-eligibility-check.onrender.com

📊 The Numbers


🎓 Education & Credentials
🎓 MCA Pimpri Chinchwad College of Engineering, Pune · 2025–Present · CGPA 8.9/10
🎓 B.Com (IT) Sadguru Gadage Maharaj College, Karad · 2022–2025 · CGPA 8.89/10
📜 Certification Generative AI for Everyone — Coursera (2025)
📜 Certification AI Fundamentals — GUVI (2025)

🏆 Milestones

  • 🎯 99.58 percentile in MAH MCA CET 2025 — Top 0.5% statewide in Maharashtra
  • 🥇 5-Star Gold Badge in Java on HackerRank
  • 🧩 200+ DSA problems solved on LeetCode
  • ☁️ 3 projects deployed live across Vercel & Render with Docker-based production setups

"Building things that don't just work — but scale, stay secure, and stay tested."

Pinned Loading

  1. Core-Java-Mastery Core-Java-Mastery Public

    A comprehensive collection of Java programs covering OOP principles, Data Structures, Collections, and Multithreading. A reference guide for mastering Core Java.

    Java

  2. hireflow hireflow Public

    Built HireFlow to simplify job searching by combining job discovery and application tracking into one system. The platform aggregates job listings from multiple sources and helps users manage appli…

    JavaScript

  3. lifelink lifelink Public

    LifeLink is designed to improve response time during medical emergencies by connecting hospitals with blood donors through a centralized platform. It enables efficient request handling and real-tim…

    JavaScript

  4. rural-scheme-eligibility-check rural-scheme-eligibility-check Public

    Developed a rule-based system to help users identify eligibility for government schemes without manual verification. The system uses a flexible, database-driven approach to evaluate conditions dyna…

    HTML