Shawn McMichael’s Post

Evening wrap: Spring Modulith 2.1 M3 adds new boundary tools for cleaner architecture. Release: https://lnkd.in/ga7dKGZx From modular work, these support scalable designs. Modulith in your stack? #SpringModulith #Java #Modularization #Backend #TechReleases

Evening wrap: Spring Modulith 2.1 M3 adds new boundary tools for cleaner architecture. Release: https://lnkd.in/ga7dKGZx From modular work, these support scalable designs. Modulith in your stack? #SpringModulith #Java #Modularization #Backend #TechReleases

One thing I’ve learned working on backend systems is that not all problems need a new solution. Sometimes the first instinct is to add something new. A new service, a queue, or another layer. But in many cases, the issue is in how the current system is designed or used. I’ve seen systems improve a lot just by simplifying flows or removing unnecessary steps. Not every problem needs more architecture. Sometimes it just needs less. #SoftwareArchitecture #Microservices #BackendEngineering #Java

🚀 Day 98/100 - Spring Boot - Creating & Listening to Custom Events As, we have discussed event-driven architecture in the previous post (https://lnkd.in/dWjTG_3j)... Now let’s implement it in Spring Boot. ➡️ Create and Listen to Custom Events it's a 3-step process: 🔹Step 1: Define a Custom Event 🔹Step 2: Publish the Event 🔹Step 3: Listen to the Event ❗See attached image for code 👇 ➡️ What’s Happening Actually? 🔹Event is published after user creation 🔹Listener automatically reacts 🔹No direct dependency between components #100Days #SpringBoot #EventDriven #Java #BackendDevelopment #SoftwareEngineering

Topic: Event-Driven Architecture Not every system needs synchronous communication. In many applications, services wait for each other to respond. This creates: • Tight coupling • Higher latency • Reduced scalability Event-driven architecture changes that. Instead of direct calls: • Services publish events • Other services consume them asynchronously Benefits: • Loose coupling • Better scalability • Improved system flexibility • Easier integration But it also requires: • Proper event design • Reliable messaging systems • Handling eventual consistency Because asynchronous systems are powerful — but need careful design. Have you worked with event-driven systems? #Microservices #EventDriven #SystemDesign #Java #BackendDevelopment

🔍 What does @ComponentScan do in Spring? Manually registering beans? Not anymore. With @ComponentScan, Spring automatically: ✅ Scans your packages ✅ Detects components (@Service, @Repository, @Controller, etc.) ✅ Registers them as beans 💡 It’s the backbone of Dependency Injection in Spring applications. ⚠️ Tip: If your classes are outside the scan path, Spring won’t find them! Understanding this = cleaner, scalable architecture 🚀 #SpringBoot #Java #BackendDevelopment #SoftwareEngineering #Microservices #Developers

🚀 Day 97/100 - Spring Boot - Event-Driven Communication with ApplicationEventPublisher In real world applications, not everything needs direct method calls... We often want loose coupling between components. That’s where Event Driven Communication comes in... ➡️ What is Event-Driven Approach? 🔹One component publishes an event 🔹Other components listen and react 🔹No tight dependency between them See attached image 👇 for architectural flow ➡️ Why Event Driven Architecture is Appreciated? 🔹It decouples components 🔹Improves scalability 🔹Provides cleaner architecture 🔹Easy to extend (you can add more listeners anytime) ➡️ How to create CustomEvents and listen to them? (will be covered in next post) Previous post - Configuration Server in Microserices: https://lnkd.in/dbvU7U7U #100Days #SpringBoot #EventDriven #Java #Microservices #BackendDevelopment #SoftwareEngineering

Architecture diagrams are useful until the code stops obeying them. This piece looks at a harder problem: how to make Java architecture boundaries executable with Quarkus, tests, and build-time feedback. The goal is not prettier diagrams. It is fewer silent boundary violations and less architectural drift. Useful if your architecture rules live in diagrams but not in feedback loops. https://lnkd.in/dTEQGJj8 #Java #Quarkus #SoftwareArchitecture

Building scalable systems isn’t just about code — it’s about architecture. Recently worked on implementing tracing in a multi-tenant architecture, where visibility across tenants is critical for performance, debugging, and reliability. Key takeaways: • Tenant-level observability is a game changer • Distributed tracing helps identify bottlenecks faster • Proper context propagation is everything Designing systems that scale cleanly across tenants is where real engineering begins. #SoftwareEngineering #MultiTenant #SystemDesign #BackendDevelopment #Observability #Java #SpringBoot

#TechTalk | Spring Framework ☕🌱 What makes Spring so efficient? By leveraging design patterns like IoC, Singleton, and Proxy, Spring simplifies object lifecycle management, reduces complexity, and enables powerful features such as transaction management and security. Smart design is the backbone of scalable applications. #SpringFramework #Java #DesignPatterns #SoftwareArchitecture #BackendDevelopment #TechInsights