backend-system

FlexCore is a low code backend api rest platform, coded in PHP, created to help Devs to gain performance and produtivity while developing MVPs and similar stuff

U-PG-RAG, a campus Q&A backend system, is built on PostgreSQL (PG).U-PG-RAG是一个基于postgresql(PG)构建的校园问答后端系统

Cold email automation infrastructure with domain warm-up, SPF/DKIM/DMARC setup, inbox rotation, and scalable outreach campaigns using SMTP services.

This repository shows a minimal integration of Chronos Engine inside a Godot game.

Database playground using Go.

A Raft key-value distributed store.

AI-powered data migration system that converts unstructured data (JSON/CSV/XML) into structured relational databases using NLP, anomaly detection, and automated SQL generation. Built with FastAPI and deployed end-to-end.

Production-ready Social Media Microservices built with Spring Boot, Spring Cloud, Kafka, Docker, Kubernetes, JWT Authentication, API Gateway, Config Server, Zipkin, and PostgreSQL.

ChatPDM: deterministic language governance system (no drift, no generation, constraint-based resolution)

MoveX is a modern logistics and courier management system designed for small and mid-scale delivery networks. It provides role-based dashboards, shipment tracking, booking workflows, analytics, and secure backend architecture built with Node.js, Express, and PostgreSQL.

Infrastructure monitoring and alert management system that tracks system metrics and triggers alerts when thresholds are exceeded.

A Core Java–based IRCTC backend simulation that models train booking, cancellation, and user management. Built using Object-Oriented Programming and Java Collections to demonstrate modular design, synchronization, and console-based data flow. A clean, recruiter-friendly SDE-1 mini project showcasing Java fundamentals, data handling, and Maven build

Stateful Telegram learning gateway for course discovery, personalized routing, learner support, and persistent user-state management.