Lead Mobile Developer (React Native) – as of now

    MAGNUM EST Digital Health GmbH Published: February 28, 2018
    Job Type


    YAS – Join us and our users for a healthier and more active lifestyle!

    We are looking for a Lead Mobile Developer (React Native) for our Berlin Startup focused on consumer-oriented Digital Health solutions. Our mission is to provide users an innovative mobile engagement platform that supports a healthier and more active lifestyle. Our YAS-App was successfully launched in 2016. We are now taking YAS to the next level.

    YOUR TYPICAL DAY as an Lead Mobile Developer at YAS might include the following: 

    • Design and develop hybrid applications using React Native
    • Create new architectures for hybrid applications based on React Native
    • Migrate existing native applications to a hybrid architecture
    • Bridge custom SDKs or native modules with React Native
    • Find solutions for performance and UI limitations of React Native
    • Optimize components for maximum performance across of devices and browsers
    • Interact with product managers, UX designers, business analysts, and back-end teams
    • Advise product owners and stakeholders on technical feasibility of their ideas
    • Integrate app analytics and notification services
    • Document your architectures and transfer knowledge to (native) developers
    • Set up build and deployment processes


    • 7+ years experience developing iOS (Objective-C, Swift) and Android (Java) apps
    • 5+ years experience with professional JavaScript development (e.g., React Native, nodeJs, React, Angular)
    • Thorough understanding of ReactNative and its core principles
    • Experience with popular workflows (such as Flux or Redux) and  side effect models (such as Sagas)
    • Familiarity with cloud message APIs and push notifications (e.g., on AWS)
    • Experience building with white label apps and multi-tenant architectures
    • Ability to gather and understand business requirements and translate them into technical requirements
    • Passion for high quality code, efficient development processes, and light weight solutions
    • High motivation, reliability, and independent work style
    • Very good German and English skills


    • This is a permanent position as lead mobile developer within our IT team in Berlin.
    • We offer you the unique opportunity of shaping a digital health startup in its growth phase.
    • You will work closely with our head of IT and our Product team.
    • You have the opportunity to develop your own entrepreneurial skills.
    • Challenges and room for personal and professional development.
    • Responsibilities from day one and flat hierarchies.
    • Being part of an awesome international team in Berlin-Mitte.



    Great! We want to meet you! Please get in touch and send your application to Christin to job@yas.life. We are looking forward to meet you in our office or via a first skype call.

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