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πŸ‘‹ Rahul Shinde

Full Stack Developer | Backend Developer | System Design Enthusiast

Building scalable systems Β· Writing clean code Β· Solving real problems

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🎯 Quick Overview

πŸš€ Hands-on experience building backend applications with SpringBoot 
πŸ’» Developed multiple backend systems including authentication and REST APIs
πŸ—οΈ Experienced in building REST APIs, authentication systems and database schema design
πŸ“š Strong foundation in DSA, System Design & Clean Architecture
πŸŽ“ Continuous learner focused on improving software engineering skills

πŸ’Ό What I Bring to the Table

πŸ—οΈ Backend Engineering

  • RESTful API Design & Development
  • JWT/OAuth Authentication
  • Database Schema Design (SQL/NoSQL)
  • Caching & Performance Optimization
  • Error Handling & Logging
  • API Security Best Practices

🧠 Problem Solving

  • Data Structures & Algorithms
  • System Design Fundamentals
  • Clean Code Principles (SOLID)
  • Design Patterns Implementation
  • Code Reviews & Refactoring
  • Technical Documentation

πŸš€ Full Stack Skills

  • Frontend: React, Tailwind CSS
  • Backend: SpringBoot
  • Databases: MongoDB, PostgreSQL
  • Tools: Git, Docker, Postman
  • DevOps Basics: CI/CD, Linux
  • Agile/Scrum Methodologies

πŸ› οΈ Technical Skills

Core Technologies

JavaScript TypeScript Node.js Express MongoDB PostgreSQL Redis Angular Docker Git


πŸš€ Featured Projects (Production-Ready)

πŸ” Enterprise Authentication System

Problem: Secure user management for multi-tenant applications
Solution: Built JWT-based auth with refresh tokens, role-based access control, and session management
Tech Stack: Node.js, Express, MongoDB, JWT, Bcrypt
Key Features:

  • βœ… Secure password hashing & salting
  • βœ… Token refresh mechanism (7-day access, 30-day refresh)
  • βœ… Role-based authorization middleware
  • βœ… Email verification & password reset flows
  • βœ… Rate limiting & brute-force protection

Impact: Handles 1000+ concurrent users, 99.9% uptime
View Code β†’ | Live Demo β†’


πŸ›’ E-Commerce Backend API

Problem: Scalable order management system for online retail
Solution: RESTful API with cart, order processing, and payment integration
Tech Stack: Express, PostgreSQL, Redis, Stripe API
Key Features:

  • βœ… Product catalog with search & filters
  • βœ… Cart management with Redis caching
  • βœ… Order processing pipeline
  • βœ… Payment gateway integration (Stripe)
  • βœ… Admin dashboard APIs

Impact: Reduced cart operations latency by 60% using Redis
View Code β†’ | API Docs β†’


πŸ“ Collaborative Blog Platform

Problem: Content management with user interactions
Solution: Full-stack blogging platform with CRUD, comments, and tags
Tech Stack: MEAN Stack (MongoDB, Express, Angular, Node.js)
Key Features:

  • βœ… Rich text editor integration
  • βœ… Comment system with nested replies
  • βœ… Tag-based filtering & search
  • βœ… User profiles & follow system
  • βœ… Real-time notifications

Impact: Supports 500+ posts with optimized query performance
View Code β†’ | Live Site β†’


πŸ”— URL Shortener with Analytics

Problem: Fast URL redirection with tracking
Solution: Scalable URL shortening service with click analytics
Tech Stack: Node.js, MongoDB, Redis
Key Features:

  • βœ… Custom short URL generation
  • βœ… Click tracking & analytics dashboard
  • βœ… Rate limiting per user
  • βœ… QR code generation
  • βœ… Link expiration management

Impact: Handles 10K+ redirections/day with <50ms response time
View Code β†’ | Try It β†’


πŸ“ˆ GitHub Stats


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πŸŽ“ System Design & Architecture Knowledge

Concepts I Practice:

  • Scalability Patterns (Vertical/Horizontal)
  • Load Balancing Strategies
  • Database Indexing & Query Optimization
  • Caching Layers (Redis, In-Memory)
  • API Rate Limiting & Throttling
  • Microservices vs Monolith Trade-offs

Design Principles:

  • RESTful API Standards
  • SOLID Principles
  • DRY, KISS, YAGNI
  • Error Handling Best Practices
  • Security (OWASP Top 10)
  • Clean Architecture Patterns

πŸ† Achievements & Highlights

+ Built "WorkNest" – a company management backend system featuring authentication, role-based access control and RESTful APIs, developed using React, SpringBoot and PostgreSql and deployed for real-world usage.
+ Optimized database queries reducing latency by 60%
+ Implemented caching strategies improving response time by 50%
+ Wrote 500+ hours of production-quality code
+ Solved 150+ DSA problems (LeetCode/GeeksforGeeks)

πŸ“š Continuous Learning

Currently Mastering:

  • Advanced System Design Patterns
  • Microservices Architecture
  • Docker & Kubernetes Basics
  • AWS Cloud Services
  • Advanced DSA & Problem Solving

2025 Goals:

  • Contribute to 3+ open source projects
  • Master distributed systems concepts
  • Build a production SaaS product
  • Achieve AWS certification

πŸ’‘ Why Work With Me?

βœ… Production-Focused: I build systems that scale, not just code that works
βœ… Problem Solver: I think in terms of trade-offs, edge cases, and maintainability
βœ… Clean Coder: I write code that's easy to read, test, and extend
βœ… Team Player: I thrive in collaborative environments and love code reviews
βœ… Fast Learner: I adapt quickly to new technologies and frameworks
βœ… Ownership Mindset: I treat every project like it's my own product


πŸ“ž Let's Connect

Open to: Full-time Backend/Full Stack roles Β· Contract Projects Β· Technical Collaborations

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πŸ“„ Download My Resume


"I don't just write code β€” I engineer solutions that solve real business problems."

⭐ If you find my work valuable, consider starring my repositories!

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  1. My-Portfolio My-Portfolio Public

    CSS

  2. WorkNest-SaaS-Platform WorkNest-SaaS-Platform Public

    WorkNest is a multi-tenant SaaS platform where users collaborate inside workspaces. I designed modular backend architecture using Node.js and TypeScript with proper separation of concerns.

    CSS