Senior Front End Developer


Design | Berlin, DE

Rocket Internet, one of the most successful company builders in Europe, has launched a new venture: Franksmile. From offering operational support and partnering with entrepreneurs, to investing, Rocket creates market-leading companies, changing the way the world functions.

Franksmile is about to revolutionize the dental beauty market by giving millions of people access to a million-dollar-smile at an affordable price tag using invisible aligners. Currently, we are assembling core high-performance international teams to drive our success.  

As one of the first employees, you will be part of an incredible start-up journey and a team that is driven, empathetic and dedicated towards success. You will play a major role in every decision, problem and opportunity by being directly involved with the company's international roll-out. Together we can be phenomenal.  


  • Be at the center of a hyper-growth company 

  • Be able to build and not just fix things  

  • Huge learning potential  

  • Broad responsibilities and cross-functional opportunities  

  • Work with amazingly talented people 

  • Flat hierarchy and open communication 

  • Craft your own career  


  • Design and lead the development for JavaScript front end

  • Develop front end applications using React, Redux and TypeScript

  • Extend and maintain our React component library

  • Make key design decisions as a core member of the engineering team

  • Collaborate on architectural decision-making

  • Conduct peer code reviews


  • B.Sc. degree graduate in Computer Science or related field or comparable practical experience

  • Someone with several years of front end development experience

  • Knowledgeable in one or more JavaScript frameworks like React, Vue, Angular etc.

  • Aware about how to work with state management libraries (ideally Redux)

  • Able to test your code 

  • Good with UX and know how to implement designs with CSS

  • Experienced with:

    • Server Side rendering with NextJS

    • Continuous deployment and AWS

    • NodeJS and REST API’s

  • A team player with good written and verbal communication skills

  • Well able to navigate complexity and uncertainty and ambition to work in one of the fastest growing startups in Berlin