2 months ago
Madrid, SpainSenior
Responsibilities
- Own features end to end, including UI, state management, API integration, testing, and App Store releases.
- Write clean and reliable TypeScript and JavaScript.
- Work directly with founders and designers to move concepts into production.
- Debug performance issues across iOS, Android, and backend layers.
- Help establish engineering culture, architecture standards, and tooling.
Requirements
- At least 5 years of professional software engineering experience.
- Strong track record of shipping and optimizing production applications in React Native.
- Deep proficiency in TypeScript and JavaScript.
- Ability to work with high agency, ownership, and strong product and user-experience judgment.
- Based in or willing to relocate to Madrid or Miami.
- Experience with Expo, native modules, and mobile CI/CD is a plus.
- Backend or full-stack experience with Node.js and APIs is a plus.
- Crypto/EVM familiarity or genuine interest is a plus.
Benefits
- 100% in-person work in Madrid or Miami with approximately 25% flexible remote days.
- Relocation support for non-local candidates.
- Meaningful founding-level equity.
- Large individual AI-tooling budget.
Tech Stack
Categories
Mobile
About OnHires
Global recruitment & staffing for fast-growing companies We are a global recruitment agency that helps businesses scale by hiring talented tech & creative specialists. Our Mission To connect great companies with even greater talent. Our Vision To be the leading partner that clients and candidates always choose to connect with. Our Approach We are goals driven team, where culture is more important than formal processes. We have built a work environment that nurtures growth and true teamwork. There is nothing as satisfying as learning and celebrating successes together! Once you get to know us, you’ll know where this drive and energy come from.