Java AI Engineer (m/f/d)

Job Description

Join SIXT and shape the future of customer experiences by building cutting-edge enterprise software and AI-driven solutions on an innovative tech stack! Are you talented in Software Engineering (Java, Microservices, LLMs) and want to drive innovation at the intersection of cloud-native technologies and generative AI? If you have a passion for creating intelligent, scalable systems that power real-world applications—this is your chance to make an impact!

YOUR ROLE AT SIXT

• You design and build cloud-native platforms on AWS using Java and Spring Boot 
• You develop AI-powered services that enhance customer interactions using agentic AI principles 
• You create robust, event-driven systems and microservices architectures for scalability and resilience 
• You collaborate across teams to understand business processes, identifying opportunities for AI-powered automation and customer experience enhancements 
• You contribute to team knowledge sharing, code reviews, and maintaining technical documentation 
• You stay on the cutting edge of AI, cloud, and software engineering trends—bringing innovative ideas into reality 

YOUR SKILLS MATTER

• You have a degree in Computer Science, Engineering, or related technical field
• You have development experience in Java and are familiar with Spring or other comparable application development framework 
• You have several years of experience working in sophisticated technology environments such as building cloud-native applications, solving scalability challenges, designing event-driven solutions 
• Experience working with cloud providers (AWS or similar). You have already designed distributed systems, or you have worked on microservices architectures 
• It’s easy for you to translate technical solutions into real value for end-users and businesses 

WHAT WE OFFER

• Extra benefits Enjoy discounts on SIXT rent, share, ride and SIXT+, attractive vehicle leasing offers, and exclusive deals with partners for travel, tech, fashion and more
• Mobility boost We support you with a monthly mobility allowance of €20 per month for even more freedom
• Future security We contribute to your retirement plan and support you with capital-forming benefits to ensure you are well covered
• Feel-good atmosphere Stay active with our modern SIXT gym, various leisure activities like the gaming area or the SIXT choir, and enjoy our high-quality employee restaurant
• Flexibility Enjoy 30 days of vacation and a hybrid working model with flexible hours
• Giving back Take one day each year to volunteer at a charitable organization dedicated to supporting children

Additional Information

About us:

We are a globally leading mobility service provider with a revenue of €4.00 billion and around 9,000 employees worldwide. Our mobility platform ONE combines our products SIXT rent (car rental), SIXT share (car sharing), SIXT ride (taxi, ride, and chauffeur services), and SIXT+ (car subscription), giving our customers access to our fleet of 350,000 vehicles, the services of 4,000 cooperation partners, and around 5 million drivers worldwide. Together with our franchise partners, we are present in more than 110 countries at 2,000 rental stations. At SIXT, top-tier customer experience and outstanding customer service are our highest priorities. We believe in true entrepreneurship and long-term stability and align our corporate strategy with foresight. Get started with us and apply now!