A software architectural pattern that provides a comprehensive set of guidelines, principles, and patterns to organize code for high scalability, maintainability and reusability.

122 AI Agent Skills for full-lifecycle product development (PM × UI × Backend) | 覆盖产品全生命周期的122个AI Agent技能，从探索发现到增长运营，覆盖产品×设计×后端三大领域

Architectural blueprint and infrastructure design of the Weekmotion platform ecosystem. Showcasing async task queues, high-concurrency data flows, and performance-tuned backend pipelines optimized for high scalability.

Production-ready Multi-Tenant SaaS Backend architected with NestJS and PostgreSQL. It features robust data isolation (row-level tenancy), RBAC security, JWT authentication, and background job processing with BullMQ. Demonstrates enterprise patterns for scalable Software-as-a-Service applications with clean architecture.

An ASP.NET Core MVC web application built with Entity Framework Core for data access, following the Model-View-Controller architectural pattern and utilizing C# as the primary programming language.

Exploring different Backend architectures for REST APIs to carry out simple CRUD Operations.

Enterprise-grade, production-ready NestJS backend template featuring RS256 JWT authentication, secure refresh token rotation, database-driven RBAC, audit logging, and hardened security best practices.

A production-grade MERN stack laboratory focused on scalable architecture, clean code, system design, and enterprise-level patterns. This repository explores advanced backend design, performance optimization, security, multi-tenancy, and real-world SaaS patterns used in large-scale applications.

Production-grade NestJS boilerplate for regulated industries. Features JWT RS256 with rotation, DB-driven RBAC, Drizzle ORM, and append-only Audit Logging. Security-first architecture for Fintech and Healthtech.

Practical backend architecture guide for APIs, services, boundaries, data access, testing, and system evolution.

Estudo prático de arquitetura backend com Node.js, TypeScript, Express e MongoDB, aplicando separação de responsabilidades, validação e Repository Pattern.

ExpressJs + Typescript Boilerplate Powered by TSOA

A modular backend banking system implementing core banking features such as account management, transactions, authentication, rate limiting, and security best practices. Designed with clean architecture principles and built for learning scalable financial system design.

Python/Django REST API for intelligent resume tailoring. Leverages LLMs for context-aware project rewriting, integrates PyPDF2 for legacy ingestion, and utilizes Celery/Redis for background AI task orchestration. Powered by Supabase for secure data persistence.

The ultimate Pydantic v2 laboratory: implementing TypeAdapters, computed fields, and Annotated pipelines within a high-performance FastAPI framework. Includes structured error handling and a comprehensive test suite. 🛠️✨

StockPilot — Containerized inventory management system with Redis caching, JWT auth, and Docker orchestration.

A technical deep-dive into the Node.js runtime architecture. This repository serves as an engineering showcase of backend fundamentals—implementing native networking, memory-efficient streams, and secure path auditing without external frameworks. Features a fully interactive technical dashboard to inspect the underlying system logic in real-time.

Backend Application with JWT-based Authentication.

Secure backend gateway for the Cebimdeki Doktor AI web application.

Full Stack Developer focused on Node.js, TypeScript, and real-time systems. Currently open to relocation opportunities in Europe 🇪🇺 (especially Poland 🇵🇱).