(Senior) Data Scientist (m/f/d)

SIXT is a global market leader in the mobility space, and sets the pace for innovation like nobody else. We are transforming the industry to become fully digitalized, and offer our customers an answer to all mobility needs they have. Our drive is providing our customers with a great experience. Join our Data Science group and help make the magic happen. We offer a wide range of topics including data analysis, machine learning, model building, and optimization. Our talented Data Scientists and Data Engineers solve complex business problems using novel approaches and rich sources of data. Productization and real-world application are essential for our success. As a member of this group, your work will improve the experience of millions of our customers and have a direct impact on our business results. Apply now and join our journey and become a part of the SIXT family.


  • You will develop, build and maintain production-grade AI solutions in the fields of modelling, ML and optimization with a strong focus on applicability, scalability and performance. You will work with other teams to integrate your work into our production systems
  • You will create data-driven experiments based on statistics and exploratory analysis to extract all kinds of knowledge related to various cases throughout the company. You will analyze data to confirm or disprove hypotheses
  • You will monitor key product metrics, visualize them, and analyze the reasons they change. Subsequently, you will be proposing features and improvements for the business based on the insights you extract from data
  • You can tell a story based on hard data and analysis, and you will present results of your work on both detailed technical and business level


  • You have a strong background in data science, statistics and machine learning (or related fields like information retrieval, analytics, reinforcement learning, mathematics, etc.) and a good knowledge of Python, R and cloud technologies (ideally AWS). With a passion for numbers and figures, you love solving your tasks using data
  • You have already deployed one or more models to production and you know how to maintain model-based processes
  • You are familiar with the concepts of operations research, especially simulation-based optimizations
  • You are extremely motivated, passionate about learning and contributing to the team and the business with a "can-do" attitude
  • You communicate fluently in English and appreciate cultural diversity


Working at SIXT not only means creating the future of mobility, but also offers personal benefits. This means especially for you: 30 days of vacation, no dress code, choose your own device, support for pension plans & capital-forming benefits, mobility allowance of 20€/month and flexible working hours. Due to the current situation, we are of course working completely in mobile work wherever possible. But even under normal conditions, from now on you can decide from where you want to approach your work: Up to 50% of your monthly working time you can work completely mobile and from anywhere, of which up to 30 days per year in other European countries (EU, CH & UK). In addition, we offer you a super international working environment, numerous trainings for your individual development, participation in external conferences and we even organize internal dev & tech talks. Our Feel Good Manager will be happy to help you with the organization or to assist you when you move to Germany from abroad and need to organize visas or other administrative procedures. It's also important to balance out your work: That's why you have access to our employee restaurant (and yes, we insist on restaurant, because it's too high quality for a canteen) as well as various recreational opportunities such as the gaming area, the SIXT soccer team or the SIXT choir - to name just a few. In addition, of course, employee benefits for SIXT rent, share, ride and SIXT+, car leasing offers, discounts with partners for travel, technology, clothing, etc. as well as free cyber sports courses. In addition, your colleagues are pretty awesome. Which is important when you spend so much time together, and besides, no wonder when you get a bonus for referring friends as new employees. If something does bother you, you'll always have someone to confide in through regular feedback sessions, employee surveys or our psychological hotline through the Fürstenberg Institute. Otherwise, we live "work hard, play hard" - our parties are legendary! We also demand and promote DiverSIXTy, a corporate culture of acceptance, appreciation, and respect, in which everyone can develop their personality and ideas.