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

Do you look through the science in data and have a passion for it? We are looking for an extraordinary Data Scientist (m/f/d) who is passionate about machine learning and model building. Our team develops mathematical models to solve complex business problems. As a member of our team, you will collaborate with other talented scientists to move the business forward using novel approaches and rich sources of data. If you’re seeking an opportunity to apply your love of problem-solving to real-world problems in a stimulating and data-rich environment, we’d like to talk to you. Your work will improve the experience of millions of our customers and have a direct impact on our business results. We are coding the future of mobility! SIXT stands for success, agility, ownership, and an intercultural team. Apply now and join our journey and become a part of the SIXT-Family.


  • You will create experiments based on exploratory analysis with our data to extract knowledge in all matters related to various cases throughout the company
  • You will analyze data to confirm or disprove hypotheses
  • You will build statistical and machine learning models and be responsible for visualizing metrics, constantly looking beyond the numbers
  • You will monitor key product metrics 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 will present results of your work on both detailed technical and business level


  • As a developer and a passionate big data geek (m/f/d), you have profound practical experience in data science. You have already deployed one or more models to production and you know how to maintain model-based processes
  • You have a strong background in statistics and machine learning (or related fields as e.g. information retrieval, analytics, reinforcement learning, etc.) and a good knowledge of Python and cloud technologies based on AWS
  • You are the one who loves machine learning and Data mining in general, you quickly adapt to the business domain and understand the data beneath. With a passion for numbers and figures, you are able to solve your problems using data
  • You are familiar with the concepts of simulation-based optimizations
  • With your good communication skills, you are able to communicate and visualize your findings. Also, you speak English fluently


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. 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.