A comprehensive guide to microservices architecture: core principles, service boundaries, inter-service communication, data management patterns, API gateways, testing strategies, organizational alignment, and when NOT to use microservices.
Master Clean Architecture with the dependency rule, concentric layers (entities, use cases, interface adapters, frameworks), practical Spring Boot and Node.js implementations, and comparisons with Hexagonal and Onion architectures.
Master MQTT for production IoT systems. Covers topic design patterns, QoS trade-offs, session management, TLS/mTLS security, ACL authorization, broker clustering with EMQX and HiveMQ, and scaling to millions of connections.
Learn edge computing and fog architecture for IoT systems. Covers edge vs fog vs cloud, data filtering, store-and-forward, edge runtimes (AWS Greengrass, Azure IoT Edge, K3s), and offline-first patterns.
Master Express Router for modular route organization. Learn nested routes, route parameters, request validation with express-validator, file uploads with multer, and RESTful API design best practices.
Build a complete REST API with Express.js and TypeScript. Covers type-safe routing, request validation with Zod, middleware patterns, error handling, Controller/Service/Repository architecture, and OpenAPI documentation.
Learn how to set up a production-ready TypeScript project for Node.js backend development. Covers tsconfig.json, ESLint, Prettier, development workflow with tsx, build tools, project structure, environment variables, and path aliases.
A practical roadmap for frontend engineers (React, Angular) to transition into backend development with Node.js, Bun, and Deno. Covers what you already know, what's new, and how to build your first API.
A comprehensive comparison of MVC, MVP, and MVVM architectural patterns — their origins, how they separate concerns in UI code, practical implementations in Spring MVC, Android, Angular, and React, and how to choose the right pattern for your project.
Master C# syntax, the .NET type system, control flow, methods, and basic classes. The essential foundation for experienced developers transitioning to C# in 2 weeks.