Frontend Developer Blockchain (m/F/d)

Do you want to make a difference in the FitTech industry as part of an agile and fast-moving team? How about a mentality that values your opinions and ideas? Are you enthusiastic about cryptocurrencies and do you want to be technically responsible for a corresponding project and develop it further? Then you've come to the right place. Be a part of the digital transformation of the fitness industry.


  • Become part of the small development team and take partial responsibility for the overall "BEAT" project
  • Actively develop our mobile app and use our modern tech stack (Flutter, Dart, AWS, Docker)
  • Design the product according to your ideas, conceptualize features and implement them mainly in the frontend and occasionally in interfaces to the Ethereum blockchain environment
  • Be responsible for making business decisions, creating roadmaps, and engaging with the community as part of a team effort
  • Exchange content and technical ideas with other colleagues who are available to you as sparring partners

WHat you bring to the table

  • You have experience in the development and conception of software solutions with Dart and Flutter
  • You ideally bring expertise in developing and running scalable applications and have solid knowledge in backend development with Java, Spring Boot and Hibernate
  • You have a natural interest in cryptocurrencies / tokens and are excited to be responsible for our own erc20 BEAT tokens for all BEAT activities
  • You have experience working with automated testing (acceptance & unit tests) and share our belief that this is an important part of sustainable software development
  • You are always technically up to date, enjoy working in a team and can communicate confidently in English


  • An attractive workplace in the heart of Hamburg and flexible arrangement of working time and location
  • Relocation assistance if needed according to prior agreement
  • Our own fitness studio that can be used free of charge, including a personal trainer and a physiotherapist for all colleagues (only for Hamburg)
  • Our own CashBack sports programme "MySports", which we use to subsidize your sports activities
  • High level of personal responsibility, quick assumption of responsibility and leads who communicate with you at eye level
  • Supply of drinks, fresh fruit and snacks
  • An attractive company pension (only for Germany) as well as subsidized use of public transport in Hamburg
  • Flat hierarchies and a motivated and dynamic team


As Sport Alliance, we make it easier for people to access sport by digitalizing the fitness industry. As the market leader in Germany, we rely on the state-of-the-art technologies and methods to create a cloud-based platform that can map all relevant business processes from independent gyms to international chains. Building on this, we have created a unique ecosystem of innovative products and services in the areas of fintech, e-commerce and lead generation.

The Sport Alliance group consists of Magicline, Finion Capital, Finion FaiPay, MySports and and we’re not done yet. More than 350 colleagues are working on new ideas and solutions to lead the industry into the future at our Offices in Mainz, Eisenstadt, Kraków, Hamburg, Krefeld and Cologne. But Sport Alliance is at home everywhere. With our flexible workplace design, we are conquering the whole world.


Then become a part of our team and apply now online. If you have any questions, then feel free to send a mail to

Due to recent events: 
 In order to protect you and us, our job interviews in the first step are currently only conducted by phone or video phone.  We are also there for you in these special times and look forward to getting to know you.

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