Senior Mobile Engineer

• 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

• 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., Access to the ESI (Enterprise Skills Initiative) program certification, provides hands-on training for learning and enhancing technical skills and knowledge of Microsoft and Azure technologies.

At our company, we strive to create a culture of continuous learning, personal growth, and international community involvement. We're passionate about providing our employees with the tools and resources they need to succeed, and we're confident that you'll love being part of our team!

• Working Hours

We offer flexible working hours to accommodate your work schedule. 60% on remote and 40% at our offices in Madrid, Torre Europa.

• Meal allowances

You can enjoy delicious meals on us, no matter if you are working remotely or on-site.

*Option to use it for public transportation or childcare instead.

• Internet Compensation

We cover the cost of your home internet connection, as we understand how essential connectivity is in the modern workplace.

Help us shape intuitive mobile experiences for a leading Swiss energy brand. Join a cross-functional team in Madrid, build with a modern stack, and make an impact for millions of users.