Overview
Join to apply for the ML Engineer Reinforcement Multi-Armed Bandits - Offer intelligence (m/f/d) role at SIXT.
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.
Responsibilities
* 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
Skills & Qualifications
* 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
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!
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