Projects

Things I've built.

Serverless tooling, infrastructure automation, AI experiments, and system-design implementations. Filter by category below.

Cloud

IRCTC PNR Status Notifier

Serverless PNR status tracker with automatic SMS/email alerts when waitlist clears.

PythonAWS LambdaEventBridgeSNSServerless
Code
Backend

Scalable URL Shortener

Production-grade URL shortener design on AWS Lambda + MongoDB with a widely-read LinkedIn article.

System DesignAWS LambdaMongoDBCloudFrontNode.js
Code
DevTools

CloakVPN

Fully automated, GUI-powered VPN system. Terraform provisions OpenVPN EC2s across AWS regions, rotating IPs on demand.

PythonTerraformAWS EC2OpenVPNDevTools
Code
AI

GenericChatBot

RAG-based chatbot using LangChain and Ollama for local LLM inference.

PythonLangChainOllamaRAGLLM
Code
Systems

IIT BBSR Campus Map

Native Android app for campus navigation at IIT Bhubaneswar.

AndroidJavaMapsMobile
Code
Systems

Blockchain Notes & Impl

Hands-on blockchain study — Bitcoin, Ethereum, smart contracts, SHA256, EHash.

BlockchainBitcoinEthereumPythonCryptography
Code