Staff Software Development Engineer (m/f/d)

Posted 3 Days Ago
Be an Early Applicant
Munich, Bayern, DEU
Hybrid
Expert/Leader
Automotive • Sharing Economy • Transportation • Travel
The Role
Design, build, and operate scalable Java and Spring Boot backend services across mobility products and shared platforms. Lead cross-team technical initiatives from concept through production, improving architecture, reliability, observability, security, performance, testing, and developer experience. Work with APIs, event-driven systems, databases, messaging, Kubernetes, and CI/CD. Collaborate with product and engineering teams, mentor developers, and apply AI-assisted tooling responsibly.
Summary Generated by Built In
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!

    YOURS TO OWN

    • 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!

    Skills Required

    • Deep experience building backend services with modern Java and Spring Boot
    • Staff-level experience across architecture, implementation, and cross-team technical leadership
    • Experience with microservices and event-driven architectures
    • Knowledge of reliability, scalability, idempotency, and maintainable system design
    • Experience with PostgreSQL, JPA or Hibernate, Flyway, Redis, and Kafka
    • Experience operating production services using observability, metrics, alerting, CI/CD, and Kubernetes
    • Comfort using AI-assisted development tools thoughtfully and responsibly
    • Collaborative and product-minded approach with willingness to work across the stack
    • Experience with React, TypeScript, micro-frontends, and end-to-end feature delivery

    Sixt SE Compensation & Benefits Highlights

    The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Sixt SE and has not been reviewed or approved by Sixt SE.

    • Leave & Time Off Breadth — Time off is generous in Germany, with 30 vacation days plus additional days for certain occasions and work anniversaries. This breadth is particularly strong for headquarters and eligible roles.
    • Retirement Support — Retirement-plan support and capital-forming benefits are part of the offering, with broader financial programs referenced in some regions. These elements strengthen total rewards for employees who qualify.
    • Wellbeing & Lifestyle Benefits — Mobility allowances, company and partner discounts, bike leasing, and amenities like subsidized meals, a gym, and recreational facilities enhance day-to-day value. Hybrid work for eligible headquarters roles and, in certain positions, access to a company car and fuel card add further lifestyle advantages.

    Sixt SE Insights

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    The Company
    HQ: Fort Lauderdale, FL
    10,602 Employees
    Year Founded: 1912

    What We Do

    Sixt SE is an international provider of mobility services, offering vehicle rental, car sharing, subscriptions, and transfer services through its app and branch network.

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