Which Java frameworks are most in demand?

Spring Boot dominates the market, followed by Jakarta EE, Quarkus and Micronaut for microservice architectures.

Find Java Freelancers

Find Java freelancers experienced in Spring Boot, microservices and enterprise applications – matched to your project and available across Europe.

Your Benefits at a Glance

Experienced Spring Boot & microservice developers

Enterprise-proven in banks, insurance & corporations

Direct contact without placement fees

Fast availability – often within 1–2 weeks

Typical use cases for Java freelancers

Java freelancers are deployed across many industries: from finance and e-commerce to logistics. Typical tasks include developing microservices with Spring Boot, migrating monoliths to modular architectures, performance optimization of existing systems and integrating third-party systems via REST or SOAP interfaces.

What to look for in Java freelancers

Look for experience with the relevant framework ecosystem (Spring Boot, Jakarta EE, Quarkus), knowledge of container technologies like Docker and Kubernetes, and understanding of CI/CD pipelines. Senior Java developers also bring architecture expertise and can independently design complex system landscapes.

Java in enterprise environments

Java continues to dominate the enterprise segment. Banks, insurance companies and large corporations rely on Java's stability, security and mature ecosystem. On frelani.com you'll find freelancers who understand these enterprise requirements and are familiar with regulated environments.