Java Backend Screening Test – Set 1
Java 8 | OOP | SQL | Programming Logic Duration: 20 Minutes Experience: 2–6 Years This assessment is intended for a quick technical screening of Java Backend Developers before proceeding…
Top 10 Java 8–17 & Spring Boot Interview Questions Every Senior Microservices Developer Should Know (Part 2)
In the previous article, we explored how Java 8–17 features transformed modern application development. In this article, we'll see how Spring Boot leverages those features to build scalable, event-driven microservices.…
Top 10 Java 8–17 & Spring Boot Interview Questions Every Senior Microservices Developer Should Know (Part 1)
Most Java interview questions focus on syntax. Senior-level interviews focus on how modern Java features are used to build scalable Spring Boot microservices. In this article, we'll explore ten multiple-choice…
Top 10 Java, Microservices & Kubernetes Interview Questions Every Senior Tech Lead Should Know
Most interview questions test your memory. Great interview questions test your engineering judgment. Over the years, I've interviewed hundreds of Java developers ranging from fresh graduates to Solution Architects. One…
Part 9 – Why Spring Boot Applications Get OOMKilled in Kubernetes
Understanding JVM Memory, CPU, Requests, Limits, and Production Sizing "If you're still sizing your Java application based only on -Xmx, you're sizing it for a virtual machine, not for Kubernetes."…
Part 8 – Mastering Configuration in Kubernetes
Externalizing Configuration with ConfigMaps, Secrets, Spring Profiles, and Feature Flags "The best deployment is the one where the application binary never changes. Only its configuration does." Wednesday Morning, 7:45 AM…
Part 7 – Building Self-Healing Spring Boot Applications with Kubernetes Health Probes
Why "Running" Doesn't Mean Your Application Is Ready "A container can be running, the JVM can be alive, and yet your application may still be incapable of serving a single…
Part 6 – Graceful Shutdown & Zero-Downtime Deployments
Why Every Spring Boot Developer Must Understand SIGTERM Before Running on Kubernetes "Deploying a new version is easy. Deploying it without your customers noticing—that's engineering." Friday Evening, 6:00 PM It's…
Part 5 – Designing Spring Boot Applications for Kubernetes
Building Cloud-Native Java Applications Instead of Containerized Monoliths "Running a Spring Boot application inside a container doesn't automatically make it cloud-native. Kubernetes can orchestrate your application, but it cannot fix…
Part 8 – Kubernetes Services
How Customer Requests Reach the Right Spring Boot Pod Sarah's deployment has finally reached an important milestone. The Payment Service has been deployed successfully. The kubelet has started the container.…