Software Development Engineer III (Java Backend)

Job DescriptionAt SIXT, we are engineering the future of flexible mobility. As a Senior Backend Engineer in our SIXT+ Car Subscriptions team, you will build and scale the platform that powers flexible mobility for customers who choose access over ownership, across both app and web. You will work on high-impact challenges at the intersection of digital experience and subscription commerce, in a high-ownership environment built on cloud-native microservices where your engineering directly shapes how customers discover, subscribe, and stay. If you are ready to help drive the future of mobility, apply now and become part of Team Orange! YOUR ROLE AT SIXT You will build reliable, consumer facing backend software in Java that powers the SIXT+ Car Subscriptions platform, directly supporting seamless subscription experiences and retention at scaleYou will design and own end-to-end distributed systems on the cloud, balancing scalability, resilience, and engineering craft across our microservices ecosystemYou will develop shared libraries and internal tooling that raise the delivery velocity of the entire SIXT+ engineering teamYou will work on event-driven architectures, keeping yourself ahead of emerging technologies to build solutions that grow with SIXT+ subscription and flexible mobility ambitionsYou will champion AI-assisted development as a core part of your engineering culture integrating tools such as Cursor and Claude into daily workflows while guiding the team on where human expertise must leadYOUR SKILLS MATTER You have B.Tech, B.E., or Master's degree in Computer Science or similar disciplineYou have 8 to 10 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 settingYou have strong, production-proven experience with Java and Spring Boot (must-have), with confidence navigating a modern microservices landscape end to endYou have experience designing or operating distributed systems and microservices architectures, with a clear understanding of the trade-offs that come with operating at scaleYou have solid grasp of event-driven patterns, pub-sub models, and message brokers such as Apache KafkaYou active user of AI coding assistants such as Cursor and Claude to accelerate your work, while confidently recognising their limitations and knowing when engineering judgment must take precedenceWHAT WE OFFER Grow Further, Go Further Advance your skills and unlock your potential with our Education Assistance ProgramBalance Your Career Benefit from a hybrid work environment complemented by flexible working hoursFuel Your Day Great work deserves great fuel — enjoy meal benefits that keep you energised and ready to bring your A-gameYour Wellness Matters We are committed to your well-being through comprehensive insurance, wellness programs, health checkups, and fitness benefitsRecognition That Counts We create a culture of appreciation, rewarding your impact through referral incentives and loyalty perks as you grow with usGrowing Families, Growing Joy As your family grows, we are here to celebrate with a special newborn gift for your little one