scalable-backend

Distributed chat ecosystem designed with Spring Boot microservices, API Gateway, Eureka, Redis, RabbitMQ, PostgreSQL, and WebSocket-based communication.

Smart Job Aggregator is a backend REST API project built using Java and Spring Boot. The system manages users, companies, job posts, and job applications while also providing job recommendations based on user skills.

A Django backend application for trending movie recommendations. It provides RESTful APIs for fetching trending movies, searching titles, and generating recommendations using external APIs and filtering logic. Built with Django and Django REST Framework, it supports scalable, secure, and efficient movie data processing.

A real-time chat backend built with Spring Boot and WebSockets, enabling seamless and scalable messaging between users. Supports authentication, message persistence, and multi-room chat functionality.

Production-grade eCommerce backend infrastructure engineered for secure authentication, scalable API architecture, admin management, and enterprise-level backend operations.

A scalable backend system for smart queue management, enabling service centers to manage visitors, queues, notifications, ratings, and real-time status tracking with token-based access and RESTful APIs.

📂 Category & Subcategory API A NestJS-based REST API for managing categories and subcategories with Sequelize ORM and MySQL. Supports CRUD operations, parent-child relationships, and optimized querying. Tech Stack: NestJS | Sequelize | MySQL 🚀

A modular NestJS project showcasing Hexagonal Architecture (Ports & Adapters) and Clean Code principles. Features a fully decoupled user management module, clear separation of domain, application, infrastructure, and presentation layers, and demonstrates best practices for scalable, maintainable backend development. Ideal for learning, prototyping,

Learn functional features of Java

A modular backend system built with Express.js for authentication, dashboard access control, and voucher management. Includes secure login/logout, middleware-based route protection, dynamic voucher generation 🎟️ with QR code integration, and PDF export capabilities. Designed with a clean routing structure.

📍 Location-Based Store Finder A NestJS-powered API for locating stores based on user proximity. It supports store search by location, categories, and filtering. Built with Sequelize ORM and MySQL, the API offers optimized querying and real-time location tracking for efficient store discovery. Tech Stack: NestJS | Sequelize | MySQL 🚀

A NestJS + MongoDB learning project — JWT auth, role-based guards, and a course management API.

Scalable real-time AI chat application built with Node.js, Socket.IO, Kafka, Redis, MongoDB, and Gemini API — featuring distributed messaging, asynchronous persistence, fault tolerance, and production-ready architecture.

Distributed CSV ingestion and processing system featuring streaming uploads, BullMQ workers, Redis-backed queues, transactional database operations, and real-time progress tracking.

ReSimHub is a scalable research-grade backend framework providing REST + async APIs for reinforcement learning (RL) experimentation, simulation environments, training orchestration, and benchmarking.