Travel & Booking Platform (Altra Booking)
Developed a scalable multi-transport booking platform using Node.js, Express.js, and MongoDB for train, bus, and flight reservations. Designed RESTful APIs for search, booking, cancellation, and payment workflows; implemented real-time seat availability, dynamic fare calculation, JWT authentication, MongoDB query optimization, Redis caching, concurrent booking support, and Vercel deployment. Included a browser-based puzzle game feature.
AI Prescription & Discharge Summary Platform
Developed and maintained an AI-powered healthcare platform using Node.js, Express.js, MongoDB, Firebase, and Vercel. Integrated OpenAI, Gemini, and Claude APIs to process handwritten prescriptions and discharge documents. Built APIs for document scanning, structured data storage, and AI-generated summaries, and deployed backend services on Vercel.
IoT Recycling Machine Management Platform
Developed and maintained an IoT-enabled recycling platform connecting smart recycling machines with a centralized web application through webhooks. Implemented machine subscriptions, PayPal payment integration, machine status tracking, role-based access control, and webhook-driven collection workflows. Managed roles for machine owners, renters, collectors, and recyclers.
HR Management System
Developed and maintained a comprehensive HR platform using Angular, Node.js, Express.js, MySQL, JWT, and AWS. Built modules for employee, attendance, leave, payroll, sales, and performance management. Implemented secure authentication, role-based access control, automated workflows, reporting, and AWS deployment.
Diagnostic & Healthcare Management System
Developed and maintained a healthcare management platform using Angular, Node.js, Express.js, MySQL, JWT, and AWS. Built patient, doctor, appointment, laboratory test, and medical report modules. Implemented secure authentication, role-based access control, diagnostic test booking, consultation workflows, dashboards, REST APIs, reporting, analytics, and AWS deployment.
E-Commerce & Distribution Management System
Developed an end-to-end e-commerce and distribution platform using Angular, Node.js, Express.js, MySQL, JWT, REST APIs, and AWS. Built inventory, product distribution, dealer, partner, and customer management modules. Implemented product sales, coupon management, cashback programs, payment tracking, settlement workflows, secure REST APIs, role-based access control, centralized admin dashboards, and AWS deployment.
E-Waste Lifecycle & Recycling Management System
Developed an e-waste management platform using Node.js, Express.js, MongoDB, REST APIs, webhooks, and Vercel. Managed collection, transportation, recycling, inventory, and resale workflows. Implemented webhooks for real-time inventory and stock updates and maintained REST APIs and backend services on Vercel.