Java Expert/ Tech Lead

We are part of Hiberus, a technology company founded in Spain with a strong presence in the Polish market: 4,700+ specialists, operating in 14+ countries and delivering projects for clients worldwide. We work with technologies including AI, Data, Cloud, Software Development, BI, and Cybersecurity. When one project comes to an end, we look for new opportunities within Hiberus — including projects in other countries. One of our key advantages is Hiberus University — an international learning environment offering real opportunities to develop and expand your skills. More than 1,000 people were trained last year in selected technologies. Your first project is just the beginning. With Hiberus, you can build a long-term career.

• at least 5 years’ experience in programming with Java 8 or newer
• at least 3 years’ experience working with Java 17+
• at least 2 years’ experience as a Tech Lead or technical lead for a Java backend team
• expert knowledge of Spring Boot
• very good knowledge of Apache Kafka and Apache Camel
• very good knowledge of relational databases and ORM solutions, especially Hibernate
• experience with microservices architecture and containerised environments
• practical knowledge of GitLab and Maven
• ability to write unit and integration tests, e.g. in JUnit and Mockito
• knowledge of design patterns
• knowledge of platforms, APIs and integration channels used by energy operators, especially Unicorn ECP/EDX solutions
• independence, responsibility and punctuality
• strong communication skills and ability to work well with a team
• occasional visits to the client’s office in Wrocław – no more than twice a month

• developing the system’s backend architecture
• designing and programming new functionalities
• creating unit and integration tests
• supporting the definition of technical tasks for the development team
• analysing, verifying and planning the development of the technologies in use
• implementing technological solutions within project teams
• mentoring and sharing knowledge with developers

*occasional visits to the client’s office in Wrocław – no more than twice a month