Senior Data Scientist – Operations Research (m/f/d)

Join our team of data science and machine learning experts to shape next-generation pricing strategies! We combine cutting-edge techniques - like price elasticity modeling, bid price strategies, and advanced ML - to optimize pricing decisions for millions of customers. Our work directly drives efficient revenue management processes and enhances the user experience.

We’re looking for a Senior Data Scientist – Operations Research (m/f/d) with deep revenue management expertise and a solid background in mathematical optimization. Ideal candidates have hands-on experience in dynamic pricing, bid price optimization, and have worked in (or closely with) the airline or car rental industry. 

YOUR ROLE AT SIXT

• Revenue Management & Price Optimization: You design, develop, and deploy advanced revenue management systems focusing on dynamic pricing and bid price optimization strategies
• Operations Research Modeling: You formulate and solve complex optimization problems (linear, nonlinear, dynamic, stochastic) to maximize revenue and support key decision-making processes
• Demand Forecasting & Customer Willingness-to-Pay: You create and refine forecasting models using time series and machine learning methods to capture customer demand and willingness-to-pay
• Algorithm & Tool Development: You build and maintain robust algorithms that integrate seamlessly with production systems, ensuring efficiency and scalability
• Cross-Functional Collaboration: You work closely with product managers, data engineers, and software developers to deploy end-to-end solutions and continuously improve analytical models
• Thought Leadership: You stay current on the latest research in revenue management, operations research, and machine learning; and you provide mentorship and guidance to junior team members

YOUR SKILLS MATTER

• Industry Experience: You have 5+ years experience in data science and operations research roles, ideally in car rental, airlines, or similar travel/hospitality sectors
• Revenue Management Expertise: You have proven track record implementing or optimizing revenue management systems and pricing strategies
• Optimization & Solvers: You have a strong background in mathematical optimization (linear, nonlinear, integer programming), solvers, and algorithm design (dynamic/stochastic programming)
• Machine Learning & Forecasting: You are proficient in demand forecasting, time series modeling, and modern ML techniques (especially regression)
• Programming Skills: You have expertise in Python for data analysis, modeling, and production deployment. Familiarity with version control systems (e.g., Git)
• Analytical Mindset: You show ability to translate complex business problems into actionable analytical tasks and clearly communicate findings to various audiences

Additional Preferred Qualifications

• Pricing & Bid Price Optimization Practical experience designing or implementing bid price models in large-scale revenue management systems
• Education Master’s degree (or higher) in Operations Research, Applied Mathematics, Statistics, or a related quantitative field

WHAT WE OFFER

• Work-life balance Enjoy 30 days of vacation and up to 50% remote work, including up to 30 days per year in European countries (EU, CH & UK), as well as flexible working hours
• Office Perks Stay active and healthy with our modern SIXT Gym, and various recreational activities, including a gaming area and the SIXT choir. Plus, enjoy our premium employee restaurant, offering more than just the standard canteen
• Support for Community Engagement Take a day each year to volunteer with the ""Drying Little Tears"" children's aid foundation, an initiative of Regine Sixt
• Great Employee Benefits Benefit from discounts on SIXT rent, share, ride, and SIXT+ services, car leasing offers, and special deals with partners on travel, tech, clothing, and more
• Mobility allowance We support you with a mobility allowance of 20€ per month
• Enhance your future Support with your retirement planning and capital-forming benefits

About the department:
Engineers take note: cutting edge technology is waiting for you! We don't buy, we primarily do it all ourselves: all core systems, whether in the area of car sharing, car rental, ride hailing and much more, are developed and operated by SIXT itself. Our technical scope ranges from cloud and on-site operations through agile software development. We rely on state-of-the-art frameworks and architectures and strive for a long-term technical approach. Exciting? Then apply now!

About us:
We are a leading global mobility service provider with sales of €3.07 billion and around 9,000 employees worldwide. Our mobility platform ONE combines our products SIXT rent (car rental), SIXT share (car sharing), SIXT ride (cab, driver and chauffeur services), SIXT+ (car subscription) and gives our customers access to our fleet of 222,000 vehicles, the services of 1,500 cooperation partners and around 1.5 million drivers worldwide. Together with our franchise partners, we are present in more than 110 countries at 2,098 rental stations. At SIXT, a first-class customer experience and outstanding customer service are our top priorities. We focus on true entrepreneurship and long-term stability and align our corporate strategy with foresight. Want to take off with us and revolutionize the world of mobility? Apply now!