Senior Mobile Engineer, BLE & Device Connectivity, iOS/Android

This is a fully remote position, open to applicants in United States.

📋 Description

• Lead the development of native SDKs for iOS and Android BLE devices.

• Take ownership of connection reliability, data throughput, and battery performance across various phones, operating system versions, and real-world conditions.

• Collaborate with the Devices team on firmware interfaces, GATT profiles, and device functionalities.

• Expose device functionalities to React Native applications through well-structured, thoroughly tested native modules.

• Manage the observability of device connectivity using telemetry and field feedback to identify and rectify failure modes.

• Help define the roadmap and technical strategy for the mobile platform.

• Enhance BLE pairing and reconnection reliability for both iOS and Android platforms.

• Improve the robustness of EEG streaming, including recovery from dropped connections and handling background operations.

• Develop device-side support for an in-app EEG signal-quality validation feature.

• Implement diagnostics to assist Clinical Operations in troubleshooting device issues in the field.

⛳️ Requirements

• A minimum of 8 years of experience in mobile development, with a strong background in native iOS (Swift) and/or Android (Kotlin).

• Practical experience in integrating BLE peripheral devices into production mobile applications, including pairing/bonding, reconnection, background operations, and data throughput (e.g., Core Bluetooth, Android BLE APIs).

• Familiarity with sensor integration or streaming health data from wearable devices.

• A meticulous approach to reliability, edge cases, device fragmentation, and performance.

• Excellent communication skills and the ability to work comfortably in a collaborative, asynchronous environment.

• Bonus: Experience building production React Native applications, or developing native modules for React Native or Expo.

• Bonus: Familiarity with TypeScript and the broader technology stack (React Native, Expo, GitHub).

• Bonus: Experience working with medical devices, EEG technology, or wearables.

• Bonus: Involvement in apps designed for clinical trials, patients, or other regulated environments.

• Bonus: Contributions to open-source mobile or BLE projects.

🏝️ Benefits

• Equity.

• Paid Time Off (PTO).

• Additional benefits.

• Remote work experience.

• Access to in-person office hubs located in Boston and New York.