Senior Mobile App Engineer
Build cross-platform React Native applications and native iOS/Android BLE SDKs for EEG and wearable devices. The role requires 8+ years of mobile development experience, strong UX and performance ownership, and familiarity with health data streams and regulated environments.
About the job
Responsibilities
- Develop React Native mobile applications and native iOS and Android BLE device SDKs.
- Design and implement UX workflows for clinical trial participants and at-home diagnostic patients.
- Own app user experience, performance, reliability, and observability.
- Partner with Devices, Platform, and product design teams to develop integrated mobile capabilities.
- Help shape the roadmap and technical direction of the mobile platform.
- Build in-app features to validate EEG signal quality before data capture.
- Improve BLE pairing and reconnection reliability across iOS and Android.
- Streamline onboarding for patients and trial participants.
- Deploy features to help Clinical Operations track compliance.
Requirements
- 8+ years of experience in mobile development across native iOS, Android, and/or React Native.
- Experience with BLE, sensor integration, or health data streams.
- Product mindset with strong attention to UX, edge cases, and performance.
- Familiarity with TypeScript, React Native, Swift, Kotlin, Expo, and GitHub.
- Strong communication skills and comfort working in a collaborative, asynchronous environment.
Nice-to-haves
- Experience with medical devices, EEG, or wearables.
- Experience integrating BLE peripheral devices into iOS and/or Android applications.
- Extensive native iOS or Android development experience alongside React Native.
- Experience building apps for clinical trials, patients, or regulated environments.
- Contributions to open-source mobile or BLE projects.
Compensation and benefits
- Salary range: $170,000–$190,000.
- Total compensation includes equity, PTO, and other benefits.
Skills
React Native, iOS, Android, Bluetooth Low Energy, TypeScript, Swift, Kotlin, Expo, GitHub, Eeg, Wearables, Sensor Integration
Similar jobs
Mobile Engineering jobs
Hiya
Seattle, WA
Senior mobile engineer building and releasing cross-platform features across Android and iOS, with particular depth in Kotlin and Kotlin Multiplatform. The role requires production experience beyond a primary platform, mobile architecture leadership, backend collaboration, automated quality practices, and responsible use of AI coding agents.
Commure
Mountain View, CABuild and own clinician-facing mobile experiences for an ambient AI healthcare platform, spanning Flutter and native iOS/Android integrations. The role requires 4+ years of mobile development experience, strong native platform expertise, and excellent product judgment.
Rula
United States
Build and scale patient-facing iOS and Android applications with React Native, owning features from design through release while improving architecture, performance, and quality. The role requires 5+ years of software engineering experience, strong React Native and TypeScript expertise, and mentoring ability.
Sleeper
San Francisco, CA
Develop and improve a high-scale fantasy sports mobile application using React Native and TypeScript. The role requires at least four years of mobile development experience, strong software engineering skills, and the ability to build performant, reliable features.
Polymarket
New York, NY
Leads mobile performance engineering across iOS and Android, owning startup, rendering, runtime efficiency, networking, caching, and observability. The role requires deep large-scale mobile expertise, Swift and/or Kotlin proficiency, rigorous profiling, and technical leadership.