Madrid In-Person AI-Driven Fullstack Product Engineer (Equity)

Tuyo; Madrid; On-site; EUR 60,000 - 100,000; Full time

Benefits offered by this job

Equity 0.3%–0.5%

On-site in Madrid

Generous AI tools budget

Competitive salary €60k–€100k

Job summary

Tuyo is building a self-custodial crypto money app that blends wallets, stablecoins, banking rails and AI with user-owned keys. We operate with a small, product-minded team serving thousands globally, shipping features from idea to production across React Native and backend services.

We value engineers who own end-to-end features, collaborate with founders, and care about security, reliability, and user experience. This Madrid-based, on-site role offers equity and a competitive salary.

Qualifications

• Strong JavaScript/TypeScript production experience.
• Ability to own a feature across the stack.
• Excellent product judgment and taste.
• Interest in AI and applying it to work.
• Clear communication and collaboration.

Responsibilities

• Own features end to end, working directly with the founders and design.
• Build across the React Native app, backend and integrations as needed.
• Build tools and experiences for AI agents with clear permissions and approval flows.
• Make complex money flows feel simple; ensure security, reliability and performance.
• Keep the codebase practical and help set engineering standards.

Skills

JavaScript/TypeScript

Full-stack development

Ownership

AI tooling

Clear communication

Tools

React Native

Expo

Backend APIs

Job description

Tuyo is building a self-custodial crypto money app that blends wallets, stablecoins, banking rails and AI with user-owned keys. We operate with a small, product-minded team serving thousands globally, shipping features from idea to production across React Native and backend services.

We value engineers who own end-to-end features, collaborate with founders, and care about security, reliability, and user experience. This Madrid-based, on-site role offers equity and a competitive salary.