SIGNA Sports United (SSU) has built the global #1 sports e-commerce & technology platform with market leading positions in Bike, Tennis, Outdoor & Team Sports. We are leveraging our unique tech and operating platform to power our leading online stores like Fahrrad.De, Bikester, Probikeshop, Tennis-Point, Outfitter, and many more. SSU is firmly in growth mode; in 2021 we entered the US market with the acquisitions of Tennis Express and Midwest Sports, two of the largest tennis platforms in the US, and we acquired WiggleCRC, a global bike retailer, thus creating the biggest online bike retailer in the world. On Signa Sports United successfully floated on the New York Stock exchange and is now a publicly traded company. Our growth has been propelled by acquiring new brands in leading sports businesses and scaling our current portfolio through our end-to-end e-commerce as-a-service solutions, connecting and enabling offline specialist retailers and integrating with digital sports communities. Joining SSU would mean you will be part of a high‑calibre team, united by passion, driven by innovation, and pioneers in the Sports & Outdoors arena. You have the power to have tremendous impact and be a part of a team that fosters growth, leadership, community and transformation. What you will be responsible for At Signa Sports United we are looking for a person with experience working with Flutter to help us in the development of mobile applications and occasionally collaborate with the backend team to define API contracts, etc. Some examples of your daily tasks: Mentor/help less experienced developers in the team Proactively check the system for problems and bottlenecks, and start countermeasures Analyze and fix all kinds of issues Evaluate and find the most indicated technical solution for business requirements What you will bring to the team Knowledge in Flutter and best practices Experience in functional and technical leadership of a development team Experience with mobile applications A passion for engineering, learning, and teamwork is a must! Verbal English skills (we work in English!) Nice to have Experience working with React Knowledge in Android and iOS What you need to know We want to offer a way of working that will allow you to achieve everything you intend to as a professional, while at the same time combining all of this with your personal life: Competitive compensation 25 days annual holiday + public