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# Software Engineer (React Native

- **Company:** Tuyo
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), App Store (IOS), Continuous Integration, Software Debugging, Node.Js, Software Engineering, TypeScript, Backend, React Native
- **Published:** July 13, 2026
- **Apply:** https://www.jobleads.com/es/job/e690aea9ba71c65fb87b7532214d31d7e

## About the Role

* 5+ years of professional software engineering experience.
 * Strong track record of shipping and optimizing production apps in React Native.
 * Deep proficiency in TypeScript / JavaScript.
 * Founder Mindset: High agency, extreme ownership, low ego. You care about product taste and user experience.
 * In-Person: Based in (or willing to relocate to) Madrid or Miami.

Nice-to-Haves:

 * Experience with Expo, native modules, and mobile CI/CD.
 * Backend / Full-stack experience (Node.js, APIs).
 * Crypto/EVM familiarity (a plus, but genuine interest is enough).
 * Heavy use of AI tooling to multiply your engineering output.

## Description

As one of our first founding-level engineering hires, you will own major parts of Tuyo's React Native app end-to-end. We run a shared-ownership model across the whole stack-mobile is your entry point, not a boundary. We deeply care about product feel, animations, and delighting users., * Own features end-to-end: from UI and state management to API integration, testing, and App Store releases.

 * Write clean, reliable TypeScript/JavaScript that scales.
 * Work directly with founders and designers; move fast from concept to production without waiting for perfect specs.
 * Debug tricky performance issues across iOS, Android, and backend layers.
 * Help set early engineering culture, architecture standards, and tooling.


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- [Do TypeScript without TypeScript](https://www.wearedevelopers.com/videos/327-do-typescript-without-typescript)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js)
- [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape)
- [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean)

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