Stock Market Data Pipeline
Apr 2026 – Ongoing. Technologies: Node.js, Express.js, MongoDB, Redis, Bull, Winston. Built a real-time data pipeline integrating external stock APIs for ingestion, transformation, and storage; developed RESTful APIs with pagination and filtering; implemented background job processing with Bull and Redis and cron-based automation; designed analytics for top gainers, losers, and moving averages; integrated structured logging with Winston and CSV export.
Smart Queue Management Backend System
Mar 2026. Technologies: Node.js, Express.js, MongoDB, WebSockets. Engineered a scalable backend system for digital queue management; implemented priority queues for VIP and emergency requests; developed real-time tracking with WebSockets; built wait-time prediction using historical service duration analytics; created admin APIs for call-next, skip, pause, and monitoring operations.
PDF Toolkit with AI Integration
Feb 2026. Technologies: Node.js, Express.js, Multer, OpenAI, PDFKit, LibreOffice. Developed PDF merge, compression, and PDF-to-Word conversion features; integrated the OpenAI API for summarization and content extraction; implemented secure file upload and processing with Multer; extracted and analyzed text for NLP-based insights; designed REST APIs for upload, processing, and download workflows.