Java AI Engineer (m/f/d)

Job Description

Join SIXT and shape the future of customer and employee experiences! We are building next-generation enterprise solutions that combine modern backend engineering with intelligent automation and AI capabilities. As a Senior Software Engineer – Intelligent Solutions, you will design and deliver scalable, cloud-native platforms that power customer interactions, agent support, and operational excellence at SIXT.

Your Role At Sixt

• You design and implement cloud-native platforms on AWS with Java, Spring Boot, and microservices.
• You build intelligent solutions leveraging agentic AI (voice, messaging, automation) for customer and agent use cases.
• You enhance our Service Resolution Hub by integrating backend systems, AI-driven automation, and workflow orchestration.
• You architect and deliver event-driven, distributed systems that ensure scalability, resilience, and real-time performance.
• You collaborate with product and business teams to identify opportunities for automation, system integration, and customer experience improvements.

Your Skills Matter

• Backend Engineering Expertise: You bring 5+ years of professional experience in backend software development, consistently delivering high-quality solutions.
• Java Development: You’re proficient in Java or comparable languages like Kotlin, and you have hands-on experience with frameworks such as Spring Boot.
• Cloud-Native Systems: You’ve worked extensively with cloud platforms like AWS (or similar), building scalable microservices architectures and cloud-native applications.
• Distributed Systems Design: You’re skilled in designing distributed, event-driven systems and solving complex scalability challenges in production environments.
• Business Impact: You translate technical solutions into measurable business value, integrating automation or AI where it drives meaningful outcomes.
• Growth Mindset: You’re curious, analytical, and continuously seeking to improve—embracing feedback as a catalyst for growth.

What We Offer

• Generous Time Off Enjoy 28 days of vacation, an additional day off for your birthday, and 1 volunteer day per year
• Work-Life Balance & Flexibility Benefit from a hybrid working model, flexible working hours, and no dress code
• Great Employee Benefits Access discounts on SIXT rent, share, ride, and SIXT+, along with partner discounts
• Training & Development Participate in training programs, external conferences, and internal dev & tech talks designed for your personal growth and development
• Health & Well-being Private health insurance to support your well-being
• Additional Perks Enjoy the Coverflex advantage system to enhance your employee experience

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!