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online-survey-service Public
Production-ready Online Survey Service — monolith REST API
Java UpdatedApr 13, 2026 -
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social-media-microservices Public
Social Media Microservices Platform – A scalable, event-driven backend built with Java and Spring Boot for high-volume, real-time applications. Supports media uploads, personalized feed generation,…
Java UpdatedApr 10, 2026 -
ai-invoice-analyzer-service Public
Production-ready AI-powered invoice processing service built with Spring Boot, clean architecture, audit support, pagination, and strategy-based AI integration.
Java UpdatedApr 10, 2026 -
ecommerce-microservices Public
A production-ready learning project demonstrating core microservices patterns with Spring Boot 3, Spring Cloud, Kafka, Redis, and Docker.
Java UpdatedApr 9, 2026 -
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url-shortener-service Public
A high-performance URL shortening service with click analytics, geo-location tracking, device detection, custom slugs, and tier-based rate limiting — built with modern Java 21 and Spring Boot 3.
Java UpdatedMar 30, 2026 -
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banking-api Public
A production-ready banking backend that handles user accounts, transactions, transfers, loan management, and reporting — the kind of system real fintech companies build.
Java UpdatedMar 16, 2026 -
ai-chatbot Public
Production-ready Spring Boot application that uses Vision-Language Models (VLM) to understand handwritten notes, diagrams, and corrections—not just OCR text.
Java UpdatedMar 11, 2026 -
ecommerce-inventory-service Public
Production-ready inventory service designed to handle Myntra-style flash sales with strict overselling protection and high concurrency safety. Built using Spring Boot, PostgreSQL, Redis, and event-…
Java UpdatedMar 8, 2026 -
event-driven-user-service Public
A scalable Spring Boot backend demonstrating event-driven architecture using domain events. User registration triggers independent asynchronous services (email, audit, notification) via decoupled a…
Java UpdatedMar 7, 2026 -
online-auction-service Public
A enterprise-grade online auction system handling real-time competitive bidding, anti-snipe protection, concurrent bid resolution, and event-driven notifications — built as a portfolio-quality back…
Java UpdatedMar 6, 2026 -
Spring 8000 Boot WebFlux + Reactive MongoDB CRUD service with Swagger/OpenAPI docs.
Java UpdatedMar 4, 2026 -
Production-ready Ecommerce Order Management Service built using Spring Boot 3, Java 21, PostgreSQL, and Redis. Features JWT auth, Stripe integration, async Email/SMS notifications, order state mach…
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real-time-chat-service Public
Distributed-ready real-time chat system demonstrating production-level backend architecture. Includes secure authentication, real-time messaging, presence tracking, and event-driven modular design.
Java UpdatedFeb 24, 2026 -
ai-whatsapp-agent-service Public
This service receives WhatsApp messages, processes them using a local LLM, supports RAG-based knowledge retrieval, maintains conversation memory, and sends responses back to WhatsApp.
Java UpdatedFeb 22, 2026 -
rate-limit-and-throttle-api Public
Rate limiting private APIs with Token Bucket Algorithm employing Bucket4J, Redis and Spring Security.
Java UpdatedFeb 11, 2026 -
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cryptopulse Public
CryptoPulse is a real-time crypto price streaming platform built with a reactive backend and event-driven frontend.
Java UpdatedJan 22, 2026 -
pos_backend_app Public
Building scalable SaaS POS Backend with Spring Boot.
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pos-backend-plateform Public
Building scalable SaaS POS Backend with Spring Boot.
Java UpdatedDec 27, 2025 -
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A modern, secure, and scalable RESTful API for movie reviews and theater seat reservations
Java UpdatedSep 15, 2025 -
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location_tracking_kafka Public
DeliveryBoy & EndUser - Real-time Location Tracking using Spring Boot & Kafka
Java UpdatedAug 20, 2025 -
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