Summary
Roman Hreits is a Middle Java Developer based in Warsaw with seven years of hands-on experience delivering scalable backend systems across enterprise and startup environments. He specializes in Spring, Hibernate/JPA, RESTful APIs and microservices, and has practical experience migrating data to cloud-native stores like Google Cloud Spanner. Roman has a track record of improving performance through caching, asynchronous messaging (RabbitMQ), and pragmatic debugging of production issues, while maintaining testable, well-designed code. His background includes both financial/crypto integrations and large-scale enterprise projects, showing an ability to bridge complex data flows and real-time integrations. Trained through intensive Java academies and holding a master's in engineering, he combines discipline from engineering studies with rapid on-the-job learning and collaborative cross-functional delivery.
7 years of coding experience
4 years of employment as a software developer
Java Developer, Java Developer at Hillel IT School
Java Developer, Java Developer at Mate academy
Master's degree Industrial and Civil Engineering, Master's degree Industrial and Civil Engineering at Lutsk National Technical University