Ride-Hailing REST API
Node.js, Express, PostgreSQL, and PostGIS production-grade ride-hailing API featuring PostGIS geo-matching, first-accept transactional assignment to prevent race conditions, Socket.IO real-time updates, JWT authentication, rate limiting, and Docker Compose deployment.
Product Inventory Management System
React 19, Node.js, PostgreSQL, and Tailwind CSS full-stack inventory SPA featuring dynamic stock-health badges, transactional audit trails, concurrency handling with database row locking, automated SKU generation, and OpenAPI/Swagger documentation.
Full-Stack Agency CRM
React, TypeScript, Django REST Framework, and PostgreSQL client relationship manager with dashboard analytics, calendar scheduling, and automated form workflows, using a React SPA frontend with shadcn-ui and a Django REST backend.