Founding Engineer (Full Stack) at motus med

React, React Native, Kotlin, PythonBerlin, onsite 4-5 days/weekAbout motus medmotus med is a digital health startup centered around an AI-powered medical video platform. Our first product is an effective tool for diagnosis and monitoring in epilepsy. Our work builds on many years of research and clinical experience within the Computational Neurology Lab (Prof. Dr. Christian Meisel) at Charité - Universitätsmedizin Berlin.We are currently spinning out of Charité and accelerating our go-to-market, backed by clinical teams, validated through studies and early pilots, run by an experienced founding team and supported by high-profile medical, AI, and regulatory advisors. We are now looking for a Founding Engineer to take ownership of our core product and shape the next stage of development.Your roleAs our Founding Engineer, you will build motus med with us - fast, pragmatically, and with full ownership.You will:Build full-stack features end-to-end across React, React Native (Expo), Kotlin and PythonShip core functionality in days, not weeks, using AI agents and modern dev tooling as leverageOwn our architecture, app foundations, CI/CD, and cloud deployments (Kubernetes)Integrate our video- and AI-based features into a seamless experience for clinicians and patientsWork hand-in-hand with the founders and our ML engineering teamHelp define engineering culture, quality standards, and long-term technical directionGrow into Head of Engineering/CTO if you want it and deliverThis is a true founder-track role with direct impact on patients, clinicians, and real-world healthcare workflows.Your profileYou do not need to tick every box - we care more about pace, ownership, and mindset. You likely have:Strong experience with React and React Native (Expo) and PythonSolid backend foundations, ideally in Kotlin, or the ability to pick it up quicklyComfort with Docker, CI/CD, Kubernetes, cloud basics, and monitoringExperience shipping production apps (web or mobile) at high speedBias to action and a founder mentalityA desire to work onsite with the core team and move fastAI-first workflow: Cursor, Copilot, GPT agents, automated tests, refactoring - all second natureInterest in product, UX, and clinical workflowsExperience in the digital health or MedTech space is a plusWhy join motus med?Founder-level impact from day oneMeaningful equity with real upsideBuild a product with direct clinical relevanceWork closely with experienced founders, researchers, engineers, and cliniciansDefine the technical direction of a company from scratchIf you want to build something that truly matters and thrive in a fast, hands-on, early-stage environment we would love to hear from you.