Senior Mobile Engineer - React Native/Expo

Senior Mobile Engineer - React Native/Expo

Axpo

Madrid, Spain

What you will do:

• Architect, develop, and maintain scalable mobile apps with React Native (0.79+), TypeScript (5+), and Expo;
• Lead features end-to-end from concept to deployment with strong product context;
• Collaborate with product, UX/UI, and backend to craft great user experiences;
• Ensure code quality with clean architecture, testing (Jest), and maintainable patterns;
• Integrate REST APIs (e.g., Axios/React Query) and monitor performance with Sentry;
• Leverage modern tooling, including AI assistants (e.g., GitHub Copilot), to boost productivity.

What you bring & who you are:

• Must-have: 5+ years in software development, incl. 3+ years building complex React Native apps;
• Must-have: Strong TypeScript skills; solid ES6+, HTML5, CSS3 fundamentals;
• Must-have: Experience with Jest and REST API integration (Axios or React Query);
• Must-have: Collaborative, proactive mindset; comfortable in agile teams; fluent in English;
• Ideally: Experience with Zustand state management and monitoring tools like Sentry;
• Ideally: German or another European language; experience in energy or utilities.

We encourage you to apply even if you don’t meet every single point.