Beacon Biosignals
Beacon Biosignals
Beacon Biosignals develops EEG-based neurobiomarkers for precision medicine in neurology and psychiatry. Its platform records brain activity in real time and applies machine learning to help clinical researchers evaluate treatment response, guide dose selection, and identify relevant patient populations. The company works with biopharmaceutical companies, academic medical centers, and neurotechnology developers seeking better tools for neurological and psychiatric drug development, diagnosis, and care.

Senior Mobile Engineer, BLE Connectivity (iOS and Android)

Develop native iOS and Android Bluetooth connectivity for Beacon Biosignals’ at-home EEG platforms. Improve reliable data streaming, device diagnostics, and wearable integration for clinical care and trials.

Description

  • Lead development of native iOS and Android BLE device SDKs
  • Maintain reliable connections, strong data throughput, and battery performance across phones, operating systems, and real-world conditions
  • Collaborate with the Devices team on firmware interfaces, GATT profiles, and device behavior
  • Make device capabilities available to React Native apps through clean, well-tested native modules
  • Monitor connectivity through telemetry and field feedback, then identify and resolve failure modes
  • Help set the mobile platform’s roadmap and technical direction
  • Improve BLE pairing and reconnection across iOS and Android
  • Strengthen EEG streaming, including recovery from dropped connections and app backgrounding
  • Build device-side support for in-app EEG signal-quality checks
  • Add diagnostics so Clinical Operations can troubleshoot device issues in the field

Requirements

  • Bring at least 8 years of mobile development experience, including substantial native iOS (Swift) and/or Android (Kotlin) work
  • Have integrated BLE peripherals into production mobile apps, including pairing and bonding, reconnection, background operation, and data throughput using tools such as Core Bluetooth or Android BLE APIs
  • Have experience integrating sensors or streaming health data from wearables
  • Apply a rigorous approach to reliability, edge cases, device fragmentation, and performance
  • Communicate clearly and work comfortably in a collaborative, asynchronous environment
  • Bonus: Have built production React Native apps or native modules for React Native or Expo
  • Bonus: Have worked with TypeScript and related tools such as React Native, Expo, or GitHub
  • Bonus: Have experience with medical devices, EEG, or wearables
  • Bonus: Have worked on apps for clinical trials, patients, or other regulated settings
  • Bonus: Have contributed to open-source mobile or BLE projects

Benefits

  • Equity
  • Paid time off
  • Other benefits
  • Remote work experience
  • In-person office hubs in Boston and New York

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