Backend Software Engineer (Java/Kotlin)

ALTEN supports its customers’ development strategies in the areas of innovation, R&D and technological information systems. Created more than 36 years ago and based in 30 countries, the Group has established itself as a world leader in Engineering and IT Services. We work with key actors in the Aeronautics & Space, Defence & Naval, Security, Automotive, Rail, Energy, Life Sciences, Finance, Retail, Telecommunications and Services sectors. With a financial turnover of more than 4.07 billion euros in 2023 and we currently have more than 57 000 employees all over the world. Key responsabilities: - Design, develop, test, and maintain enterprise-grade Java/Kotlin applications. - Work closely with customers to understand business needs and gather technical requirements. - Attend technical discussions and propose appropriate software solutions. - Collaborate with cross-functional teams including product managers, architects, QA engineers, and other developers. - Produce clean, maintainable, and well-tested code following engineering best practices. - Troubleshoot complex technical issues and drive them to resolution. Requirements - 4+ years of professional software development experience. - Strong expertise in Java, Kotlin and object-oriented software design. - Extensive experience building and maintaining large-scale enterprise applications. - Strong experience with Spring Boot and enterprise Java development. Plus: - Experience with RESTful APIs and microservices archi