Senior Frontend Engineer (React Native)

Senior Frontend Engineer (React Native) with a focus on technical leadership, designing and implementing high-performance measurement interfaces, leading technical discussions and cross-team projects, and driving technical architecture for complex, offline-first, event-driven mobile applications using React Native and TypeScript.

Requirements

• 6+ years of experience in React Native with strong proficiency in TypeScript and JavaScript.
• Experience building performance-critical features, specifically involving complex lists, maps, or 2D visualizations.
• Deep knowledge of state management patterns (Redux, Zustand, or MobX) with a specific focus on minimizing re-renders in data-heavy applications.
• Solid understanding of event-driven architectures, API design, and Offline-First principles (sync engines, local DBs).
• Proven track record integrating back-end services (experience with MongoDB data structures is a strong plus).
• Solid grasp of mobile (iOS) development and release management.
• Demonstrated experience in mentoring and influencing technical teams, with the ability to lead technical projects independently.
• Knowledge of testing, CI/CD, deployments, and Computer Science concepts (data structures, algorithms, and their performance impact).
• Strong communication skills and a drive to learn and master new technologies.

Benefits

• Salary range: €80,000 - €95,000 per year
• A hybrid work environment
• Lunch at the office
• Flexible hours
• Pension contribution of 4.5%
• Mental well-being guidance through Open Up
• MacBook (for the deep tech roles, a 16T)
• Travel allowance for office commute
• Annual learning budget of € 1,000
• One-off work from home budget of € 550
• Monthly wifi & phone plan reimbursement of € 50
• Unlimited holidays, and we expect you to take at least 25 per year