Senior Java Developer

Our client is a leading technology organization specializing in building robust, secure, and high-performance software solutions within the energy industry. The role supports critical infrastructure and fosters innovation in energy management.

• Minimum of 8 years of experience in Java development in backend environments
• Strong knowledge of design patterns, integration standards, and microservice architectures
• Proficiency with Spring Boot (core, data, security), JPA, Hibernate
• Experience with REST API development and database management, preferably Oracle SQL
• Familiarity with DevSecOps practices and containerization technologies such as Docker and Kubernetes or Nomad
• Understanding of UI design principles and web usability practices (additional advantage)
• Experience with tools such as Apache Kafka, MinIO, Jenkins, and GitLab (plus)
• Knowledge of the energy industry is a plus
• Polish – good command required
• English – communicative proficiency

• Develop and enhance backend systems using Java, adhering to best practices and architectural standards
• Design and implement microservices, REST APIs, and integration patterns, ensuring scalability and security
• Collaborate with cross-functional teams to define, document, and optimize system functionalities
• Maintain and improve existing codebases, troubleshoot issues, and implement fixes proactively
• Apply DevSecOps practices to automate deployment, testing, and monitoring processes
• Utilize containerization tools like Docker, Kubernetes (K8s), or Nomad to streamline deployment pipelines
• Ensure compliance with data security standards and quality assurance protocols
• Contribute to continuous improvement initiatives by sharing best practices and innovative ideas

Open to candidates without specific eligibility constraints within Europe.