About usA fast-growing healthtech startup in Berlin is looking for an experienced Senior Full Stack Engineer to join its product engineering team.Alle potenziellen Bewerber sollten die folgenden Angaben zu dieser Stelle sorgfältig lesen, bevor sie sich bewerben.The company is building digital solutions that help healthcare professionals reduce administrative workload through intelligent software and automation. The product combines modern web technologies with AI-driven workflows in a highly regulated environment, with a strong focus on usability, security, and data privacy.This is an opportunity for someone who enjoys working in a high-autonomy startup environment, taking ownership of features end to end, and contributing to products that have a direct real-world impact.You will work across the full product stack and play a key role in shaping product functionality, architecture, and technical direction. The team is looking for someone who is comfortable operating independently, making sound technical decisions, and building high-quality features in a fast-moving environment.TasksOwn features from concept through to deployment across frontend and backendDesign and implement scalable product functionality with a strong focus on performance and maintainabilityBuild and improve real-time product capabilitiesIntegrate external intelligent services and APIs into user-facing workflowsCollaborate on architecture decisions and technical directionDeliver production-ready solutions in a fast-paced product environmentMaintain high standards around code quality, testing, and documentationWork closely with cross-functional stakeholders to create intuitive and reliable user experiencesProfileAt least 6 years of experience in software engineeringStrong experience with TypeScript and modern full stack developmentVery good knowledge of ReactStrong understanding of component architecture, hooks, state management, and frontend performance optimisationExperience building and maintaining modern web applications with a focus on speed, usability, and clean codeExperience working with browser storage technologies and client-side application stateStrong understanding of debugging, troubleshooting, and performance analysisAdvanced experience with Git, code reviews, and development best practicesAbility to work independently and make technical decisions with confidenceExperience collaborating effectively in product-focused engineering teamsDesktop / product engineering experienceExperience building desktop applications with ElectronGood understanding of main/renderer architectureExperience with native OS integrationsFamiliarity with update mechanisms and desktop security best practicesIdeal profileComfortable working xjliken in an autonomous environment with a high level of ownershipStrong problem solver who can work through ambiguity and move quicklyQuality-focused engineer who values clean, maintainable, well-tested codeInterested in modern AI-enabled product development and building reliable systems around evolving technologiesAble to communicate clearly in an async-first environmentNice to haveExperience with React NativeExposure to publishing apps for iOS and AndroidExperience with WebSockets or other real-time communication patternsBackground in healthtech, regulated software, or data privacy / GDPR-sensitive productsExperience with audio-related applications or processingInterest in mental health, psychology, or healthcare-related domains