SIXT Research & Development - Senior Software Development Engineer - Java

About the Role :

At SIXT, we are engineering the future of mobility - one system at a time. As a Senior Backend Engineer in our BranchOps team, you will engineer the systems that power the full vehicle turnaround lifecycle and branch-level fleet orchestration, with deep integration into our IoT-connected fleet infrastructure.

What you will do :

• Design and build robust backend services in Java that power vehicle turnaround and fleet orchestration workflows.
• Contribute to the design and evolution of distributed, event-driven systems that operate at branch level and at global scale.
• Develop and maintain shared libraries and internal tooling that improve reliability and delivery speed across the BranchOps engineering team.
• Collaborate closely with product, operations, and engineering stakeholders to translate complex business workflows into scalable technical solutions.
• Actively integrate AI coding tools such as Claude and Cursor into your daily development workflow, helping to embed AI-assisted engineering as a standard practice within the team.

What we are looking for :

• B.Tech, B.E., or Master's Degree in Computer Science or a closely related discipline.
• 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.
• Strong, production-proven experience with Java and Spring Boot (must-have) and are confident navigating a modern microservices landscape end to end.
• Designed or operated distributed systems and microservices architectures, with a clear understanding of the trade-offs that come with operating at scale.
• Solid grasp of event-driven patterns, pub-sub models, and message brokers such as Apache Kafka.
• Active user of AI coding assistants - such as Cursor, Claude - to accelerate work, while confidently recognising their limitations.

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 energized.
• Your Wellness Matters : We're 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.
• Growing Families, Growing Joy : As your family grows, we're here to celebrate with a special newborn gift for your little one.