Senior Java Developer (Java, Spring Boot, Kafka, Oracle)

Java Developer (Java, Spring Boot, Kafka, Oracle) About the Offer We are currently looking for a Senior Java Developer with Kafka to join the team of our client from the banking industry . For this role, Optiveum is the recruitment and contracting party, which means you will sign the cooperation agreement directly with us. You will be a key member of one of the client's agile teams, designing and building well-tested, clean solutions and working closely with business stakeholders on regulatory needs, where your engineering input will be highly valued. The client is looking for long-term cooperation.

Responsibilities

• Designing and coding robust, well-tested and clean solutions using modern tools and technologies.
• Working mainly with technologies you know well, while also stepping into new technology areas when needed to help the team deliver on its commitments.
• Understanding regulatory needs and working closely with business stakeholders to shape the best solutions.
• Developing and improving CI/CD pipelines, on both the development and deployment side.
• Integrating with and consuming data from API services.
• Defining and designing tests that cover the application, including negative test cases.

Requirements

• Rate: up to 150 PLN/h net + VAT (B2B) Work Model: hybrid – 3 days per week in the office, 2 days remote
• Gdańsk (preferred) or Warsaw Key Skills: Java, Spring Boot, Spring Integration, Kafka, Oracle, Gradle, Docker, Kubernetes, CI/CD Application deadline: 30 November 2026 Responsibilities: Acting as a key member of an agile development team.
• Degree in Software Engineering, Computer Science or a similar field.
• 4–5+ years of commercial experience as a Java Developer and a solid understanding of development principles.
• Strong skills in Java, Gradle, Spring Boot and Spring Integration.
• Hands-on experience with Oracle and Kafka.
• Experience developing and improving CI/CD pipelines.
• Experience with Docker and Kubernetes.
• Experience consuming data from API services.
• Ability to design tests covering the application, including negative scenarios.
• Fluent English (used daily) and fluent Polish.
• Willingness to work from the client's office in Gdańsk or Warsaw 3 days per week.

Preferred

• Previous experience in the banking or financial sector, ideally on regulatory projects.