Architecture
Building Java Microservices: Boundaries, Contracts, Production Practices
When microservices pay off, how to slice domains, and which contracts and observability you need in production with Spring Boot / Kafka / Kubernetes.
Hello, I'm
Alexey Prybytkou
Senior Software Developer
Senior Software Developer based in Minsk. I build web apps and microservices with Java, Spring Boot, Quarkus, Kubernetes, PHP, Go and TypeScript.
My Projects
Recent projects I've been working on
E-commerce Platform
Full-featured e-commerce platform with microservices architecture. Implemented payment gateway integration, warehouse management and scalable infrastructure on Kubernetes.
Java Spring Boot MySQL Redis Docker Kubernetes
CRM System
Enterprise CRM system for customer and sales management. Includes modules for orders, warehouse, integration with external services and analytics.
Java Dropwizard MySQL Hibernate REST API Docker
Microservices Platform
Scalable microservices-based platform using Quarkus and Kubernetes. AWS S3 integration, auto-scaling and monitoring.
Java Quarkus Kubernetes Docker AWS S3 Microservices
Latest Articles
My thoughts and experience in development
DevOps
Kubernetes for Java Developers: Probes, Memory, Graceful Shutdown
Deploy JVMs to K8s without CrashLoopBackOff: startup/readiness/liveness, MaxRAMPercentage, CPU limits, and proper Spring Boot shutdown.
Java
Spring Boot Performance: Pools, Cache, JVM, Profiling
A practical checklist for Spring Boot 3 / Java 21: HikariCP, timeouts, caching, GC in containers, and measuring p95 before refactoring.