ML Engineer Reinforcement Multi-Armed Bandits - Offer intelligence (m/f/d)

Company Description

Job Description

Join our team of data science and machine learning experts to shape the next generation of intelligent pricing strategies at SIXT! Our mission is to apply cutting-edge techniques - including reinforcement learning, multi-armed bandits, and Bayesian inference - to optimize dynamic pricing decisions. We build scalable models and systems that directly impact millions of customers, enabling more efficient revenue management processes and a superior user experience.

YOUR ROLE AT SIXT

• You design, implement, and maintain production-grade machine learning systems, with a strong focus on bandit algorithms and reinforcement learning methods for dynamic pricing
• You work closely with teams in data science, engineering, product management, and business operations to bring experimental models into a robust production environment
• You continuously track model performance, visualize key metrics, and conduct deep-dive analyses to understand changes in system behavior and their impact on business outcomes
• You collaborate with business stakeholders to identify inefficiencies in current processes and propose data-driven, ML-powered solutions to address them
• You communicate results, methodologies, and technical insights to audiences of varying technical backgrounds, ensuring that both business and technical teams understand the value of your work

YOUR SKILLS MATTER

• Experience You have some background in machine learning or data science - prior exposure to reinforcement learning, multi-armed bandits, Bayesian methods, or dynamic pricing is a plus, but not required
• Technical skills You are proficient in Python and familiarity with modern ML frameworks (e.g. TensorFlow, PyTorch); experience with cloud platforms (AWS, GCP, or Azure) is beneficial
• Production mindset You are comfortable deploying and maintaining ML models in a production environment, ensuring reliability, scalability and adaptability
• Growth-oriented You are passionate about learning new methods and solving real-world problems
• Communication & teamwork You are fluent in English and enthusiastic about working within a diverse, multinational team

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 €4.00 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!