Summary: As a Mobile Frontend Developer, you will collaborate with cross-functional teams to deliver intuitive, reliable, and well-crafted user experiences for mobile applications used by millions globally, with a strong focus on Flutter and mobile fundamentals. Highlights: 1. Work on mobile applications used by millions of users globally 2. Strong focus on Flutter and solid mobile fundamentals 3. Opportunity to contribute to frontend architecture and technical decisions **The Role** As a **Mobile Frontend Developer**, you will work on mobile applications used by millions of users globally. You will collaborate closely with product managers, designers, backend engineers, and data teams to deliver intuitive, reliable, and well\-crafted user experiences. Most of our mobile apps are built using **Flutter**, and strong experience with Flutter is a big plus. At the same time, we value solid mobile fundamentals and cross\-platform thinking. This role is for engineers with strong mobile fundamentals who enjoy working close to the platform, user experience, and performance, and who are interested in leveraging Flutter where it makes sense. **What You’ll Be Doing*** Build and iterate on user\-facing features for mobile applications * Develop and maintain mobile apps used at scale * Collaborate with product, design, and engineering teams to deliver high\-quality user experiences * Improve application performance, responsiveness, and stability * Debug issues and continuously improve code quality and maintainability * Contribute to frontend architecture discussions and technical decisions * Explore and adopt tools or technologies that improve development velocity and quality * Help maintain a clean, readable, and scalable mobile codebase **What You’ll Bring*** Experience building mobile applications for iOS, Android, or both * Strong experience with Flutter is a significant plus * Solid understanding of mobile UI development and user experience principles * Familiarity with mobile performance optimization and debugging * Understanding of the full mobile development lifecycle * Experience writing clean, maintainable, and well\-structured code * Exposure to backend systems or APIs is a plus **What We Look For Beyond Skills*** Strong attention to detail and pride in building polished user experiences * Curiosity and willingness to learn new technologies and approaches * Comfort working in a fast\-paced environment with frequent releases * A collaborative mindset and openness to feedback * Ownership mentality and accountability for what you ship * Comfort working alongside AI coding tools to move faster, paired with strong judgment, structured thinking, and product taste as code becomes more efficient to produce **What We Offer*** The chance to work with a high\-caliber, passionate international team building category\-defining products * Full\-time contract with competitive salary * Private health insurance, a generous meal card * Full visa \& relocation support if you’re moving to Barcelona * Annual learning \& development budget for courses, tools, or events that support your growth * Free access to Codeway’s suite of apps across productivity, wellness, and education * A top\-notch office in the heart of the city We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.