Senior C# Developer developing and maintaining web applications at Axians in a hybrid environment. Collaborating with teams on cloud solutions and mentoring junior developers.
About the role
- Senior Mobile Developer (React Native) for SEON, enhancing mobile applications for safety and emergency response. Collaborate with teams to build reliable and impactful mobile solutions.
Responsibilities
- Develop, maintain, and enhance our React Native (Expo) apps: User App and Responder App
- Take ownership of mobile architecture and contribute to long-term technical decisions
- Implement features involving offline functionality, maps & geolocation, secure data handling, and real-time interactions
- Ensure performance, stability, and a great user experience across iOS and Android
- Work closely with our Product Owner and engineering team to refine requirements
- Participate in code reviews, testing, and continuous improvement of development processes
- Collaborate across disciplines to deliver high-quality, mission-critical software
Requirements
- 3+ years of experience building mobile applications with React Native
- Strong knowledge of JavaScript/TypeScript and mobile architecture patterns
- Experience with offline-first capabilities, maps & geolocation services, and mobile security best practices
- Familiarity with REST APIs; experience with Ruby on Rails is a plus
- Hands-on, ownership-driven mindset with attention to detail and quality
- Ability to work mostly overlapping with CET (±2 hours)
- English fluency; German is a plus
- Valid work authorization for Germany (employment via SEON GmbH)
Benefits
- Fully remote work setup within CET ±2 hours, with optional access to our offices in Hamburg and Cape Town
- Participation in our VSOP equity program
- Competitive salary and a high-flexibility, trust-based work culture
- Work on a product that directly contributes to faster, safer emergency response
- Join an international, collaborative team with modern technologies (React Native, Expo, React, Ruby on Rails)
- Real ownership and influence on the direction of our mobile applications
- Opportunity to build technology that truly makes a difference
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