We are looking for a hands-on Senior Mobile Developer (React Native) to join our international engineering team. At SEON, you will work on two mission-critical mobile applications that form the core of our safety and emergency response platform. You will collaborate closely with Backend, Frontend, Product, and Engineering leadership to build reliable, high-quality mobile experiences that help organizations protect people and respond to critical events faster. If you enjoy owning features end-to-end, shaping mobile architecture, and working on technology with real-world impact, this role is a great fit.

Aufgaben

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

Qualifikation

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