👋 HELLO!
I'm Sunil, a #ENGINEER passionate about system design, backend development, Web3, and writing clean, maintainable code.
Tech Stack
Technologies I use to bring ideas to life
Experience
My career path and the experiences that shaped me
Swiftrise Solution Pvt Ltd
Full-stack Developer Intern
- ●Engineered secure, high-performance server architectures using Node.js and Express.js to process enterprise transactions.
- ●Created pixel-perfect, fully responsive client interfaces using modern React and Tailwind CSS.
- ●Integrated state management protocols and optimized browser API usage to enhance user experience.
- ●Authored scalable, clean codebase patterns and maintained version workflows using Git.
Tribex Esports
Full Stack Developer Intern
- ●Developed and maintained features for a live production esports platform using React, Node.js, and MongoDB
- ●Built reusable frontend components and integrated RESTful APIs to support dynamic content rendering
- ●Delivered bug fixes and feature updates collaborating with a remote development team
TimesPro
DevOps Intern
- ●Built and deployed a web application using Python (Flask) with a browser-based UI
- ●Containerized the application using Docker for consistent development and deployment
- ●Set up CI/CD pipelines using GitHub Actions to automate testing and deployment workflows
Work
Featured projects and case studies

HelpDesk — AI-Powered Customer Support
An intelligent help desk that lets businesses deploy a customizable AI chat widget. Visitors chat with a LangGraph-powered AI agent backed by a knowledge base, with seamless real-time handoff to human agents via Socket.IO.

RAG Book - AI Document Assistant
An AI-powered document retrieval system. Users can upload PDFs which are chunked, parsed with Apache Tika, and embedded using Gemini AI into a PostgreSQL database with pgvector. Features a seamless React frontend and a robust Spring Boot microservice backend.

AI Support Agent — E-Commerce
Production-grade AI customer support with RAG knowledge retrieval (PGVector), human-in-the-loop approval for sensitive actions, live agent handoff via WebSockets, and async job processing with BullMQ + Redis. Built with LangGraph agent orchestration and Gemini 2.5 Flash.

MeetClone - Minimal Zoom
A lightweight Google Meet / Zoom clone built for serverless real-time audio/video conferencing. Implements WebRTC mesh topology connection pairs and Socket.IO signaling, featuring interactive custom lobby previews and responsive active grid tiles.

ExchangeFile - Local LAN P2P
A peer-to-peer LAN file transfer app. Auto-discovers local subnet devices via Socket.IO signaling, transferring large files securely over WebRTC DataChannels with 16KB chunking and custom backpressure-aware pause/resume protocols.

GPT-Clone (LangGraph + Memory)
A highly advanced full-stack ChatGPT/Gemini clone built with LangGraph for stateful multi-agent conversational memory. Securely stores conversation threads and agent checkpoints in MongoDB, featuring a premium modern chatbot layout.

SnapLoad - Premium Downloader
A premium high-performance media downloader supporting YouTube and Instagram extraction. Built with Next.js 16 (client) and Express/TypeScript/Bun (backend), featuring real-time SSE progress indicators and backpressure-optimized streaming.

Real-Time Chat App
Real-time chat application using React and WebSockets for seamless communication. Includes file transfer via WebRTC for peer-to-peer sharing.
Contact Me
Email me at sunilmaharana.0x@gmail.com