Software Development Engineer III (Java Backend)
At SIXT, we are not just moving cars — we are moving businesses. As a Senior Backend Engineer in our B2B Sales team, you will build and scale the platform that powers enterprise sales and revenue management for clients worldwide. You will work on real challenges that matter, in a high-ownership environment built on cloud-native microservices where great engineering directly drives business growth. If this sounds like your next move, apply now and become part of something bigger.
, or Master's Degree in Computer Science or a closely related discipline You bring 7–9 years of hands-on experience in sophisticated engineering environments — including cloud-native application development, scalability problem-solving, and event-driven system design, ideally within a start-up or scale-up setting You have strong, production-proven experience with Java and Spring Boot (must-have) and are confident navigating a modern microservices landscape end to end You have designed or operated distributed systems and microservices architectures, with a clear understanding of the trade-offs that come with operating at scale You have a solid grasp of event-driven patterns, pub-sub models, and message brokers such as Apache Kafka You actively use AI coding assistants — such as Cursor, Claude— to accelerate your work, while confidently recognising their limitations and knowing when engineering judgment must take precedence WHAT WE OFFER Grow Further, Go Further Advance your skills and unlock your potential with our Education Assistance Program Balance Your Career Benefit from a hybrid work environment complemented by flexible working hours Fuel Your Day Great work deserves great fuel.
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!