Senior FullStack Java Engineer

ALTEN – A Global Leader in Engineering and IT Services Founded in France in 1988, the ALTEN Group is a leading technological partner serving the world’s largest clients. In 2023, it achieved revenues exceeding 4.07 billion euros and employs over 57,000 people, 88% of whom are engineers and IT experts. ALTEN Polska has been operating for 13 years, supporting its clients' innovation, research and development, and IT systems.

It has offices in Kraków, Warsaw, Wrocław, Gdańsk, and Poznań. It serves key industries such as aerospace, space, industrial solutions, automotive, railway, energy, finance, telecommunications, and retail. Areas of expertise : business analysis, cybersecurity, artificial intelligence, data analysis and cloud solutions, application development, software testing, project management, embedded software, quality management, industrialization, digital transformation, and industrial engineering.

For more information, visit : [link] Location: Kraków (hybrid, 8 office visits/month) What You’ll Do Design, develop, and maintain scalable microservices for the Collateral platform using Java 17/21 and Spring Boot. Contribute across the full development lifecycle, from conception to deployment. Apply DevOps and Agile principles to streamline development and improve team velocity.

Ensure test-driven development (TDD) with J

Unit, integration tests, regression tests, and Cucumber for end-to-end acceptance testing. Collaborate closely with QA teams to enhan