Senior Backend Engineer, Shop & Payments (Go/React)

Hi! We are AMBOSS and we are looking for a Senior Backend Engineer who is passionate about robust system architecture but also eager and willing to dive into the frontend when needed. Join our team and shape the future of medical education with us! About AMBOSS AMBOSS is a dynamic learning and clinical decision support tool committed to empowering medical professionals globally to deliver optimal care. Since our inception in 2012, we've harnessed cutting-edge technology to transform the way physicians acquire and apply scientific knowledge. Each AMBOSSian is passionate about being the champion of clinicians today - this motivates and unites us each day towards success. And what does success look like? When a clinician or med student tells us, “AMBOSS makes practicing medicine easier and enjoyable. I love what I do, and a big part is because of AMBOSS.” Want to learn more about our culture? Watch our video https://www.youtube.com/watch?v=QRrE5B7SRAU to explore what makes us unique. Why can this position be exciting for you? As a Senior Backend Engineer in the Shop Team, you will sit at the heart of our mission, building and scaling the gateway that allows medical students and clinicians around the world to access the AMBOSS platform. In this team, your backend architectural decisions have a direct, measurable impact on revenue and user discovery. Whether you are scaling high-availability payment services or prototyping a bold new hypothesis, you will be defining how the world buys AMBOSS. While your primary expertise and core focus will be on the backend, you will also have the opportunity to expand your skill set and collaborate on our frontend application, bringing a willingness to learn and work across the full stack. You will: - Ramp Up: Become a domain expert in AMBOSS's shop and payment architecture, from deep subscription logic to international tax compliance. - Build & Scale: Design, evolve, and maintain high-availability backend services handling global paym