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

Company Description

Job Description

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 1+ year 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

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!