Software Development Engineer II ( Java Backend)

At SIXT, we are redefining how brands connect with customers — one system at a time. As a Backend Engineer in our CCOM team, you will build and scale the platforms that power personalized, data-driven communications reaching millions of customers worldwide. This is a role where robust backend engineering meets real-world customer impact, in a team that ships with purpose and operates at global scale. If you are ready to engineer the infrastructure behind every message that moves our customers, apply now and become part of something bigger. YOUR ROLE AT SIXT You will design and build robust backend services in Java that power personalized, data-driven customer communication workflows You will contribute to the design and evolution of distributed, event-driven systems that operate at campaign level and at global scale You will develop and maintain shared libraries and internal tooling that improve reliability and delivery speed across the CCOM engineering team You will collaborate closely with product, marketing, and engineering stakeholders to translate complex communication workflows into scalable technical solutions You will 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 YOUR SKILLS MATTER You hold a B.Tech, B.E, or Master's Degree in Computer Science or a related discipline You bring 3–5 years of hands-on backend engineering experience, ideally in cloud-native or distributed systems environments where scalability and reliability were non-negotiable You have solid, production-level experience with Java and Springboot, and are comfortable working within a modern microservices architecture You have practical exposure to designing or contributing to distributed systems and understand the fundamentals of building services that are resilient and maintainable at scale You are familiar with event-driven patterns and message brokers such as Apache Kafka, and understand how pub-sub models support loosely coupled system design You actively use AI coding assistants such as Claude or Cursor to accelerate your development, while applying sound engineering judgment to validate, review, and own the output 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 and ready to bring your A-game 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 as you advance with us Growing Families, Growing Joy As your family grows, we're here to celebrate with a special newborn gift for your little one 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!