Senior Java Developer - Microservices w Poland, Wrocław

Python Java Linux Spring Boot Spring Kafka 18,900 – 23,100 PLN

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Empower the future of energy infrastructure — lead the evolution of microservices and real-time data integration!

Wroclaw - based opportunity with remote work flexibility.

As an Senior Java Developer , you will be working for our client in the energy sector, focusing on developing and advancing critical backend systems. You will contribute to the design, implementation, and mentoring of high-performance microservices, leveraging cutting-edge technologies to support enterprise-grade solutions. This role offers the chance to influence technological direction and grow your expertise in a dynamic environment.

Your main responsibilities:

• Define and support technical tasks within the backend development team, ensuring best practices and high-quality delivery.
• Recognize, verify, and plan the evolution of technology stacks for the Connector 2.0 project.
• Lead the implementation of new technologies across project teams, providing training and mentorship to team members.
• Develop, enhance, and maintain system architecture in the backend layer, ensuring scalability and robustness.
• Program functionalities and conduct tests to deliver reliable software solutions, adhering to deadlines and specifications.

You’re ideal for this role if you have:

• Minimum 5 years of professional Java programming experience (Java 8+), with at least 3 years working with Java 17+
• Extensive experience leading technical teams in backend development for 2+ years
• Strong expertise with Apache Kafka and Apache Camel (Expert level)
• Deep knowledge of Spring Boot (Expert level) and microservices architecture in containerized environments
• Proficiency with relational databases such as Oracle DB 19c and ORM tools like Hibernate
• Familiarity with version control systems (GitLab), build tools (Maven), and testing frameworks (JUnit, Mockito)
• Experience working with the Unicorn ecosystem (ECP/EDX) APIs and channels
• Solid understanding of design patterns, software responsibility, and timely task execution
• Ability to work independently, collaborate effectively in teams, and communicate clearly in Polish and English (Communicative level)

It is a strong plus if you have:

• Knowledge of RDBMS Oracle and Python
• Basic understanding of Linux systems

Language Required for the role:

• Polish (good command)

Eligibility for the role:

• Not required to have existing legal right to work in the European Union; open to candidates eligible to work remotely in Europe.