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

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

Web Applications

Splitwise Clone

A full-stack expense sharing application with group management and debt simplification algorithms.

Full-StackExpense TrackingWeb DevelopmentAlgorithmsSelf-Hosted

Code

DevTools

MR Review Bot

Automated GitLab MR reviewer that build-checks, statically analyses, and AI-reviews merge requests, then merges or escalates.

PythonOllamaGitLab APIStatic AnalysisLocal LLM

Code

DevTools

Redis Cluster SSM Proxy

Reaches a VPC-locked Redis Cluster through a single SSM port-forwarding tunnel.

Node.jsRedis ClusterElastiCacheAWS SSMNetworking

Code

Backend

Coalesce for Spring Boot

Collapses concurrent calls for the same key into one execution across every pod, not just inside one JVM.

JavaSpring BootWebFluxRedisDistributed Systems

Code