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Senior Full Stack Developer (d/f/m)



YAS.life: Digital health prevention for health insurers, insurance companies and businesses.

Are you ready to take the helm in shaping the digital frontier of health and technology? Join us at YAS.life, where we’re on a mission to redefine the way individuals engage with their well-being. We want to permanently integrate health-conscious behavior into the everyday lives of our users. We achieve this by creating YAS.beneFit – the first app-based company health insurance with Lifestyle Benefits and Mental Health package as an innovative employee benefit package.

As a Senior Full Stack Developer (d/f/m), you’ll be at the forefront of innovation, spearheading the development and maintenance of our cutting-edge digital products. Our vision? #changehabits and to revolutionize the health industry, one line of code at a time.

Picture this: You’re not just coding; you’re crafting experiences that empower users to take control of their health journey. In this role, you’ll be more than just a developer – you’ll be a visionary, a mentor, and a crucial part of our journey towards revolutionizing the health industry. So, if you’re ready to join a company that’s not afraid to push boundaries and make your mark in a dynamic, forward-thinking environment, then YAS.life is where you belong. Join us, and let’s build the future of health technology together! 

#sayYAS – we are looking forward to working with you!


  • Develop (hands-on) and maintain our digital products, including our apps and microservices (using React Native and TypeScript), and a legacy backend
  • Integrate third-party API’s and write unit and integration tests
  • Release applications to the Apple and Google Play stores, and work with native modules when required
  • Collaborate with the product team to conceptualize new features, translating ideas into actionable development plans
  • Oversee all aspects of deployment and technical operations, ensuring seamless and secure product deployments and performance
  • Contribute to a well-organized and professional development environment by maintaining up-to-date architecture, infrastructure, and process documentation
  • Contribute to the improving of the project’s architecture and delivering of high-valued solutions
  • Investigate and fix bugs
  • Mentor, pair, share learnings and help your direct team colleagues to grow
  • Play a crucial role in building and fostering a strong engineering organization and a positive development culture


  • Proven track-record of building scalable applications with a background in full-stack engineering and DevOps.
  • 7+ years experience in software development with various languages combined with a passion for high-quality code
  • Experience in developing products on a tech stack such as: Javascript, Node, Typescript, React Native, GraphQL, Postgres, ORM, PHP, SQS, Kafka, TDD, Docker, AWS, and CI/CD.
  • based in Germany
  • Taking ownership comes naturally to you, and you are always eager to assume responsibility, within your role and beyond.
  • Experience in System Design and architecting new features or infrastructure setups and breaking down the tasks for the team to implementation
  • First experience in building and managing tech teams (on-site and remote) 
  • Strong ability to gather and understand business requirements and translate them into technical requirements as well as communicating to stakeholders
  • Knowledge in agile development methods, Scrum and Jira project management
  • Analytic and entrepreneurial mindset with high motivation and a reliable independent work style
  • Strong understanding of state-of-the-art data security mechanisms experiences with designing and implementing secure back-ends that comply with data privacy regulations and GDPR
  • Fluent written and spoken English skills, German language skills are a plus
  • Familiarity with the eHealth and InsurTech industry


  • We offer you the unique opportunity of shaping, building, and developing a digital health startup and becoming part of the Berlin startup world.
  • Working in a company with a purpose: you have an impact on our users’ well-being, by building a product that helps them to stay active and healthy.
  • Great opportunities for personal development, focused career training, and Knowledge Transfer sessions.
  • You will develop your skills in the mentioned tools and get insights into how your work impacts a fast-paced startup.
  • You will work and report to our Head of Engineering and work in a team with 2-4 Developers.
  • We develop your proactiveness and initiative in various topics within the company.
  • You work in an open-minded culture with flat hierarchies and an awesome international team based in Berlin-Mitte that shares the vision to positively influence the health of many people


  • Agile, flexible working: based in Berlin we work in a hybrid working model → monthly coworking days in vibrant Berlin-Mitte as well as the option to work via the mobile office within Germany.
  • YAS.beneFit health package with free supplementary health insurance and a lifestyle benefit package
  • Regular team events, on- and offline, e.g. digital coffee breaks and team events
  • Internal Referral program for employees
  • Loyalty bonus: Extra holiday per year of employment
  • Company pension plan
  • 1 month per year working remotely from outside of Germany
YAS, we are happy to hear from you. Please tell us in short words, why you want to work with us and already share your salary range, your possible starting date and also relevant links e.g. Github or portfolio.
We are looking forward to getting to know you!Please note: we can unfortunately according to our business needs only consider candidates based in Germany for this position.


YAS.life develops digital bonus programs for health prevention as a white label solution for insurances and corporates. Based on mobile applications, YAS.life creates digital touchpoints for healthy insured persons and accompanies them in integrating health-conscious behavior into everyday life. The core product developed by YAS.life is based on the gamification approach and rewards preventative behavior such as exercise, well-being, and healthy nutrition.

Our Mission: Change Habits!