Mid/Senior Java developer

We are looking for an experienced Java Backend Developer to join a strategically important national project focused on the modernization of the Legal Entities Register system.

This is a large-scale modernization initiative involving the development of new backend services, APIs, and microservices from scratch, with a strong focus on performance, security, and scalability.

Key Responsibilities:

• Design and develop backend services, APIs, and microservices using Java and Spring Boot.

• Develop new features and contribute to technical and architectural decisions.

• Build integrations with internal systems and external government registries.

• Ensure system performance, security, and reliability.

• Write clean, maintainable code following SOLID and KISS principles.

• Develop unit and integration tests and contribute to CI/CD processes.

• Leverage advanced AI coding tools and AI agents for development, testing, refactoring, and code reviews.

• Collaborate within an Agile/Scrum team.

Requirements:

• 3+ years of experience with Java (Java 8+) and Spring Boot.

• Experience with microservices architecture and REST/SOAP APIs.

• Experience developing new functionality in large-scale systems.

• Strong understanding of performance, security, and scalable system design.

• Ability to independently implement technical solutions and contribute to architectural discussions.

• Knowledge of SOLID, KISS, clean code principles, and automated testing.

• Experience with Git/GitLab and CI/CD.

• Practical experience using advanced AI-powered development tools and AI coding agents (e.g., Cursor, GitHub Copilot Agent Mode, Claude Code, or similar) in daily development workflows.

We offer a gross (before taxes) salary range of 3500-6500 EUR per month for this role. The final offer will depend on your experience and skills.