Senior Java developer

As a Senior Java Developer, you will join a multi-national Agile squad responsible for building and maintaining the Access Gateway Connectivity component - a critical part of the Digital Euro infrastructure that ensures secure communication between systems across Europe.

You’ll work side-by-side with senior engineers, architects, analysts, and business experts from Lithuania, Spain, France, Germany, and other EU countries.

Key responsibilities:

• Support the IT Lead with technical design and application architecture for the Digital Euro.
• Design and develop modern Java applications based on microservices in cloud environments.
• Build and maintain robust RESTful APIs that power scalable, resilient services with low latency.
• Define, execute, and automate unit and integration tests with excellent code coverage.
• Take part in Agile team ceremonies: daily stand-ups, sprint planning, reviews, retrospectives.
• Contribute to system operations, ensuring stability, performance, and reliability.
• Draft clear technical documentation - especially API specifications - and keep it up to date.
• Collaborate closely with operational and infrastructure teams to ensure smooth deployment and operation of APIs and services.
• Provide support for test and production environments - investigate and resolve issues in APIs and backend components.
• Drive continuous improvement within the squad, sharing your ideas and best practices, particularly around API design and integration.

• 4+ years of experience as a Senior Software Developer or similar role.
• Strong proficiency in Java and REST API development.
• Solid understanding of microservices, cloud environments, and secure coding practices.
• Experience with Kafka, IBM MQ, or event-driven architectures (a plus).
• Familiarity with Spring Boot, WebFlux, Vert.x, or Quarkus frameworks.
• Knowledge of CI/CD pipelines, Git, and Agile methodologies (Scrum, SAFe).
• Excellent communication and teamwork skills.

• A unique opportunity to contribute to one of the most important digital transformation projects in Europe.
• Fixed-term employment contract until October 2029.
• Hybrid work model: work from home and modern Vilnius office (Žalgirio g.).
• Collaboration with top European IT and financial experts.
• Stable, international environment with clear development roadmap and quarterly deliverables.