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

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

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.

• Rate: up to 150 PLN/h net + VAT (B2B)

• Work Model: hybrid – 3 days per week in the office, 2 days remote

• Location: 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.

• 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:

• 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.

Nice to Have:

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