Requirements: English
Company: Verhaert | On-site Consulting
Region: Antwerp , Flanders
The Role
We are looking for an experienced frontend mobile developer who is passionate about building highquality, crossplatform mobile applications using React Native. You will work on a variety of client projects, creating intuitive user experiences while making the most of the underlying hardware (think Bluetooth Low Energy, push notifications, offlinefirst data synchronisation and more).
Key Responsibilities
- Build and maintain robust React Native applications for iOS and Android.
- Implement advanced mobile capabilities such as Bluetooth Low Energy (BLE) connectivity, background synchronisation and offlinefirst data models.
- Write clean, reusable TypeScript and create custom native modules or shared packages when offtheshelf solutions fall short.
- Optimise performance, accessibility and responsiveness across a wide range of devices.
- Collaborate closely with UX designers, backend engineers and product owners to translate requirements into elegant technical solutions.
- Set up and maintain automated testing (unit, integration and endtoend) and CI/CD pipelines.
- Contribute to code reviews, knowledgesharing sessions and continuous improvement of development practices.
Your Profile
- Proven experience: 3+ years of professional frontend or mobile development, with at least 2 years dedicated to React Native.
- Technical expertise:
- Strong command of React Native and its ecosystem.
- Solid TypeScript skills and familiarity with modern statemanagement approaches.
- Hands-on experience with Bluetooth Low Energy integrations, offlinefirst patterns (e.g. WatermelonDB, SQLite) and persistent storage.
- Comfort with REST/GraphQL APIs, WebSockets and realtime data flows.
- Quality mindset:
- Practiced in automated testing frameworks such as Jest, Testing Library and Detox.
- Focus on code quality by using linting and other build tools
- Collaboration & communication: fluent in English; knowledge of Dutch or French is a plus.
- Bonus points for:
- Understanding of native Android (Kotlin/Java) and/or iOS (Swift/ObjectiveC) development sufficient to create or troubleshoot custom modules.
- Publishing or maintaining opensource React Native libraries.
- Continuous deployment to Google Play / Apple App Store and release management.
- Familiarity with other crossplatform (e.g. Flutter) or web frontend frameworks (Ember, React, Next.js).