Job Title

Mobile App Developer (React Native + Node.js) Future CTO PotentialApply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV.Location: Remote (UK preferred)Salary: 50k60k (flexible depending on experience)Tech Stack: React Native, Node.js, AI, Video ProcessingLooking for your next big opportunity to own a product from the ground up?Join a pioneering sports tech start-up building an AI-powered mobile coaching app for skiers helping users improve technique through video analysis and real-time feedback.This is not a typical dev job youll be working on something genuinely innovative, using joint-tracking tech, video streaming, and AI-powered coaching, with a roadmap toward becoming the CTO.About the AppThe app (with an early prototype already built) allows users to upload skiing videos, analyse movement using joint-tracking technology, and receive constructive feedback through an AI-powered chat assistant. Youll help transform this into a fully functional, scalable product ahead of the next ski season.About the RoleYoull lead full-stack development (React Native + Node.js), collaborating closely with the founders and UX designer in an iterative, design-driven process. This is a greenfield opportunity where youll shape the technical architecture, development roadmap, and future team.Key responsibilities:Develop and own the mobile app front to back (React Native + Node.js)Build scalable APIs, cloud infrastructure, and CMS integrationsWork from Figma prototypes through to production codeIntegrate AI tools and video analysis engines into a seamless user experienceOptimise joint-tracking tech for accuracy and real-world performanceSet the foundation for future team growth and CTO-level leadershipSome UK travel may be needed for testing on indoor/dry ski slopes.What Were Looking ForWere seeking a senior developer (or strong full-stack engineer) ready to take ownership and step into a leadership role.Essential skills and experience:Proven experience building production-grade mobile apps (ideally with React Native)Strong back-end development with Node.js and scalable cloud infrastructure (AWS, GCP or Azure)Comfortable with relational (PostgreSQL) and NoSQL (Firestore) databasesExperience with video capture, playback, and media handling on mobileUnderstanding of AI integration, or willingness to learn rapidlyComfortable working independently in a fast-moving start-up environmentNice to have:Experience with LLM-based chat agents or feedback generation toolsBackground in joint-tracking, movement analysis, or sports techFamiliarity with CMS platforms (e.g. Contentful, Strapi) and dynamic content workflowsAn interest in skiing, coaching, or sports performance appsWhy Join?Full ownership of an exciting greenfield productOpportunity to progress into a CTO roleFlexible working hours and remote-first cultureInput into technical decisions, roadmap, and team structureBespoke benefits and possible equity or share optionsApply NowIf youre ready to build something innovative with real-world impact and you want to play a leading role in its success wed love to hear from you.