Software Development Engineer III (Java Backend)

Job Description

At 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 scale
• You will design and own end-to-end distributed systems on the cloud, balancing scalability, resilience, and engineering craft across our microservices ecosystem
• You will develop shared libraries and internal tooling that raise the delivery velocity of the entire SIXT+ engineering team
• You will work on event-driven architectures, keeping yourself ahead of emerging technologies to build solutions that grow with SIXT+ subscription and flexible mobility ambitions
• You 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 lead

YOUR SKILLS MATTER

• Education: You have B.Tech, B.E., or Master's degree in Computer Science or similar discipline
• Experience: You have 7 to 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
• Backend Engineering: You have strong, production-proven experience with Java and Spring Boot (must-have), with confidence navigating a modern microservices landscape end to end
• Distributed Systems: You have experience designing or operating distributed systems and microservices architectures, with a clear understanding of the trade-offs that come with operating at scale
• Event-Driven Architecture: You have solid grasp of event-driven patterns, pub-sub models, and message brokers such as Apache Kafka
• AI Proficiency: You 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 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 — enjoy meal benefits that keep you energised and ready to bring your A-game
• Your Wellness Matters: We are committed to your well-being through comprehensive insurance, wellness programs, health checkups, and fitness benefits
• Recognition That Counts: We create a culture of appreciation, rewarding your impact through referral incentives and loyalty perks as you grow with us
• Growing Families, Growing Joy: As your family grows, we are here to celebrate with a special newborn gift for your little one

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!

• Department: TECH & Engineering
• Legal Entity: Sixt R&D Private Limited