We are looking for a Senior Mobile Developer to help build a world-class mobile experience used by customers every day. In this role, you will be a high-impact individual contributor responsible for developing and evolving our React Native application across iOS and Android , delivering high-quality mobile experiences that are fast, reliable, and scalable.
This is a high-autonomy role for an engineer who takes pride in the craft of mobile development. You will work closely with Product, Design, Backend, and Data teams to build polished mobile features while contributing to architecture decisions, performance improvements, testing practices, and release infrastructure.
The ideal candidate is deeply experienced in React Native development , understands the mobile ecosystem end-to-end, and enjoys building robust systems that scale while maintaining exceptional user experiences.
Responsibilities:
- Contribute to the architecture, development, and evolution of the React Native mobile application across iOS and Android.
- Build and maintain reusable, high-performance UI components using NativeWind while ensuring accessibility and design consistency.
- Integrate and manage content delivery through Sanity CMS , including schema design, GROQ queries, and real-time preview workflows.
- Contribute to feature flagging and experimentation infrastructure using LaunchDarkly, supporting controlled rollouts and A/B testing.
- Use Expo and the Expo ecosystem to streamline development workflows and manage native dependencies.
- Build and maintain mobile CI/CD pipelines using Expo Application Services (EAS) for automated builds, testing, and app store submissions.
- Maintain strong testing practices using Jest and React Native Testing Library , ensuring reliable test coverage.
- Build and extend UI automation tests using Detox or similar frameworks to protect critical user flows.
- Implement and manage application monitoring and observability using tools such as Datadog or Sentry.
- Own complex mobile initiatives from technical design through launch, monitoring, and iteration .
- Participate in architecture discussions, design reviews, and code reviews , maintaining high standards for quality and performance.
- Identify and reduce technical debt , improving maintainability and development velocity.
- Collaborate closely with Product, Design, and Backend teams to deliver high-quality mobile features.
- Diagnose and resolve performance issues, crashes, and memory problems using profiling and monitoring tools.
- Apply native platform knowledge (Swift or Kotlin) when working with native modules or platform-specific optimizations.
- Mentor junior and mid-level engineers and support technical hiring processes.
Requirements
- 7+ years of professional software engineering experience , including 4+ year