Building scalable web applications with React, Next.js, TypeScript, Python & Node.js

📍 Salem, Tamil Nadu, India  •  💼 2.9+ Years Experience  •  🌍 Open Source

I'm a Software Development Engineer with 2.9+ years of experience building and maintaining production web applications.

• 💼 Software Engineer at CollectorBabu (TechDcrypt)
• 🚀 Building products used by 30,000+ students
• ⚛️ Strong in React.js, Next.js, JavaScript & TypeScript
• 🐍 Backend development with Python, FastAPI, Django & Node.js
• 🧠 Currently strengthening Data Structures, Algorithms & System Design
• ⚡ Interested in distributed systems, performance optimization, AI integrations & developer tooling
• 🌍 Active open-source contributor and freeCodeCamp moderator/maintainer
• 🔧 Experienced with production debugging, CI/CD, Docker and API integrations
• 🎯 Focused on building reliable, scalable and maintainable software

Also: TanStack Query • React Native • Responsive Design • WebSockets

Also: REST APIs • JWT • WebSockets • Background Jobs • API Integration

Also: Qdrant • Vector Search • NoSQL

Also: Bitbucket • CI/CD • Playwright • Jest • n8n

Jan 2024 – Present | Remote

• 🚀 Develop and maintain a production EdTech platform serving 30,000+ students
• 🤖 Contributed to AI-powered answer evaluation workflows processing 150,000+ evaluations
• 🗂️ Worked on learning tools supporting 12,000+ flashcards
• ⚛️ Built production interfaces and features using React.js, Next.js, JavaScript and TypeScript
• ⚡ Improved application performance, contributing to approximately 35% faster page loads
• 🔌 Integrated frontend applications with backend APIs and third-party services
• 📊 Developed dashboards, analytics interfaces and interactive user workflows
• 🐛 Debugged and resolved production issues across UI, APIs and application state
• 🧩 Built reusable components and improved overall code maintainability
• 🔄 Worked across the complete Software Development Lifecycle (SDLC)

AI-powered UPSC preparation and learning platform used by 30,000+ students.

Impact

• 👥 30,000+ students
• 📝 150,000+ answer evaluations
• 🗂️ 12,000+ flashcards
• ⚡ ~35% page-load performance improvement
• 🧮 UPSC Prelims Marks Calculator used by 10,000+ users

Key Features

AI Answer Evaluation • Mock Interviews • Flashcards • Performance Analytics • UPSC Tools

Tech

React.js Next.js JavaScript TypeScript REST APIs

A full-stack Retrieval-Augmented Generation (RAG) application for interacting with PDF documents using semantic search and real-time communication.

Next.js
   │
   ├── REST API
   │
FastAPI
   │
   ├── Sentence Transformers
   │
   ├── Qdrant Vector DB
   │
   └── Redis
   │
WebSocket
   │
Real-time AI Responses

Features

• 📄 PDF ingestion and processing
• 🔍 Semantic vector search
• 🧠 Retrieval-Augmented Generation
• ⚡ Redis caching/session management
• 🔄 WebSocket-based communication
• 🐳 Dockerized services
• 🧪 Automated backend/frontend testing
• 🔁 CI/CD workflows

Tech

Next.js React FastAPI Python Qdrant Redis WebSockets Docker GitHub Actions

A job discovery platform for exploring companies, engineering roles and interview information.

Features

• 🏢 Company discovery
• 💼 Job listings
• 🔍 Search and filtering
• 📚 Interview information
• ⚡ SEO-friendly server-rendered pages
• 🗺️ Dynamic sitemap generation

Tech

Next.js React TypeScript REST APIs SEO

Production conference and event management platform with payment integrations and administrative workflows.

Key Work

• 💳 Payment gateway integrations
• 📊 Administrative reporting
• 📝 Conference registration workflows
• 🔌 Backend/API integrations

Tech

Next.js Django MongoDB Razorpay PayPal

I actively contribute to open-source projects and enjoy working through real-world issues, tests, CI failures and maintainer feedback.

• 🔧 Contributor and moderator/maintainer
• 🐛 Bug fixes and edge-case handling
• 🧪 Test and CI-related improvements
• 📚 Curriculum and documentation improvements
• 🔍 Pull-request reviews and contributor collaboration

I'm particularly interested in contributing to projects involving:

JavaScript • TypeScript • Python • React • Node.js • DSA • System Design • Docker

Data Structures & Algorithms
        │
        ├── Arrays & Strings
        ├── Two Pointers
        ├── Sliding Window
        ├── Binary Search
        ├── Trees & Graphs
        └── Dynamic Programming

System Design
        │
        ├── Scalability
        ├── Caching
        ├── Databases
        ├── Message Queues
        └── Distributed Systems

• 🥇 1st Prize — Web Development Hackathon, Google Developer Student Club
• 🌍 Active freeCodeCamp open-source contributor/moderator
• 🚀 Built production software serving 30,000+ users
• 📝 Contributed to systems handling 150,000+ AI answer evaluations
• 🧮 Built a UPSC marks calculator used by 10,000+ users
• 🤖 Built AI/RAG applications using modern full-stack architecture

💡 Build. Learn. Optimize. Contribute.

I enjoy solving real engineering problems and building software that is scalable, maintainable and useful in the real world.