Founding React Native Engineer

Tuyo in Madrid (Spain) or Miami, FL seeks a founding-level React Native engineer to own the app end-to-end, from UI to App Store releases, and optimize performance across mobile and backend layers.You will work directly with the founders to set engineering culture, architecture standards, and rapidly ship features with high-quality UX. 5+ years in React...

About Air AppsAt Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with offices...

DualEntry is hiring a Founding Mobile Engineer to build our mobile product from the ground up and own the entire mobile architecture. You will manage builds, store submissions, and OTA updates in a remote-first environment with overlap to our New York City HQ. The role requires 4+ years with React Native/Expo, 5+ years with TypeScript, and hands-on...

We Source Talent is seeking a Founding Mobile Engineer to architect and build a high-performance crypto trading app from the ground up. You will own the stack from React Native decisions to production release, working closely with the founders and a UI/UX designer. You should have 6-15 years in mobile engineering, with proven React Native experience in...

About The Company Scrambly is one of the fastest-growing adtech startups in the world, featured in the AppsFlyer Performance Index and Singular ROI Index in just 3.5 years. We’re growing 250%+ YoY across revenue, team, product, and technology — fully bootstrapped and profitable. We’re building the future of app discovery: a reward-powered alternative...

Jobtailor in Madrid seeks an experienced iOS native developer to build and maintain the iOS client, ensuring parity with the Android version and collaborating with React Native teams to deliver a seamless mobile experience. You will stay current with iOS best practices, contribute to bridging native modules with JavaScript, and participate in code reviews,...

Una empresa innovadora busca un Frontend Developer apasionado en Madrid. Se requiere más de 3 años de experiencia en desarrollo de aplicaciones web y móviles, con sólidos conocimientos en React y React Native. El candidato debe ser capaz de trabajar de forma autónoma y en equipo, integrando APIs REST y utilizando HTML5 y CSS3. Ofrecemos un contrato...

to apply, save this posting, or score it against your profile with AI.## About the roleOwn the end-to-end development of the React Native app, from UI and state management to API integration and App Store releases. Collaborate with founders to set engineering culture, architecture standards, and optimize performance across mobile and backend layers.##...

Triwill Group is seeking a Senior Frontend Developer (React & React Native) based in Spain to build and evolve modern web and mobile experiences using React and React Native.You will contribute to long‑term projects with an active pipeline of new front-office features and continuous technical improvements, translating business requirements into robust...