Staff Software Development Engineer (m/f/d)

About this opportunity

Company Description

Job Description

You want to work on the core of high-impact mobility experiences, drive topics across multiple product and platform areas, and shape the future architecture of a broad Java backend landscape? Then join us and help evolve the systems behind digital checkout, post-booking journeys, customer self-service, and the shared platform capabilities around them. We are building and operating business-critical backend services with a strong focus on scalability, resilience, observability, and testability. Join us in Pullach near Munich and help shape the future of mobility with us!

YOUR ROLE AT SIXT

• You design, build, and evolve reliable and scalable backend services in modern Java and Spring Boot across multiple product areas and shared platform capabilities
• You stay hands-on in code, lead cross-team technical initiatives, and drive topics from idea to production with clear business impact
• You work across REST and gRPC APIs, event-driven flows, PostgreSQL, Redis, Kafka, Flyway, and shared platform libraries to deliver robust customer-facing solutions
• You raise the bar on architecture, observability, performance, security, testing, and developer experience in a cloud-native environment with Kubernetes, CI/CD, and modern engineering guardrails
• You collaborate closely with product managers and cross-functional team members across backend, web, and mobile, and you mentor engineers through strong technical leadership, reviews, and knowledge sharing
• You use AI-assisted tooling pragmatically where it improves quality, speed, or developer experience, and you help define sensible engineering practices around it

YOUR SKILLS MATTER

• Experience You have deep experience building backend services with modern Java and Spring Boot, and you are comfortable operating at Staff level across architecture, implementation, and cross-team technical leadership
• Architecture You are experienced in microservices and event-driven architectures, and you know how to design for reliability, scalability, idempotency, and long-term maintainability
• Data Stores You have worked with PostgreSQL, JPA/Hibernate, Flyway, Redis, and Kafka, and understand how to choose the right persistence and messaging patterns for the problem
• Operations You are comfortable owning services in production environments and improving them through observability, metrics, alerting, CI/CD, and Kubernetes-based operations
• AI-Assisted Development You are comfortable using AI-assisted tools thoughtfully and know how to apply them in ways that remain reviewable, reliable, and useful in day-to-day engineering work
• Curiosity You are collaborative, and product-minded, willing to work across the stack when needed; experience with React, TypeScript, micro-frontends, and end-to-end feature delivery is a huge plus

WHAT WE OFFER

• Extra benefits Enjoy discounts on SIXT rent, share, ride and SIXT+, attractive vehicle leasing offers, and exclusive deals with partners for travel, tech, fashion and more
• Mobility boost We support you with a monthly mobility allowance of €20 per month for even more freedom
• Future security We contribute to your retirement plan and support you with capital-forming benefits to ensure you are well covered
• Feel-good atmosphere Stay active with our modern SIXT gym, various leisure activities like the gaming area or the SIXT choir, and enjoy our high-quality employee restaurant
• Flexibility Enjoy 30 days of vacation and a hybrid working model with flexible hours
• Giving back Take one day each year to volunteer at a charitable organization dedicated to supporting children

Additional Information

About us:

We are a globally leading mobility service provider with a revenue of €4.3 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 360,000 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 100 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!

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Source: SIXT — Germany careers