As a Senior Product Engineer - React Native , you'll build our React Native app, and you won't stop at the screen. When a feature needs a new endpoint, a schema change or a config in the back-office, you build that too. You'll join a small, product-minded team where engineers own what they build, from the first technical decisions to the release and beyond. Build and maintain features in our React Native app, with high performance, smooth animations and pixel-perfect UI.

Go beyond the app when a feature needs it: design API contracts, write endpoints in NestJS , evolve data models in PostgreSQL .

Lead projects end to end: technical approach, scope trade-offs, delivery and release. Test what you ship and keep the quality bar high. Contribute to tech debt, performance and tooling. 5+ years of experience in software engineering, with a strong focus on mobile. ~ Deep knowledge of React Native and TypeScript , with apps shipped to production at scale.



~ Hands-on backend experience with Node.js , ideally NestJS : building REST APIs and working with a relational database. ~ Comfortable owning a feature end to end, including the decisions on scope, the release and what happens after it. ~ A testing mindset: you write the tests and don't count on someone else to find your bugs. ~ Daily, confident use of AI coding agents, and the judgement to direct and review them. ~ Fluent in English.

WHAT'S IN IT FOR YOU ~ Direct influence on the product and user experience. ~ Hybrid working culture. ~4 extra Macadam holiday days. ~ We don’t just talk about change - we walk it. Make it happen - take ownership, drive outcomes that matter. Trust the data - decide clearly, act confidently, measure what counts.

Check out our website, Linkedin, Notion and Instagram page.

📌 Senior Product Engineer - React Native (Barcelona)
🏢 MACADAM
📍 Barcelona