Android Engineer (Android / Java / Kotlin)
Ampa Medical3 months ago
Remote, United StatesSenior
Base Salary
$140k - $200k/yr
Responsibilities
- Develop and maintain the clinical Android tablet application in Java and Kotlin.
- Integrate the Android tablet with proprietary TMS hardware through USB/serial communication, including RS232 and UART protocols.
- Build and maintain high-performance Java/C++ to TypeScript native bridges for real-time telemetry and sensor data.
- Manage complex application state with Redux Toolkit and preserve treatment-data consistency during hardware disconnections or backgrounding.
- Implement and debug binary protocols, including packet encoding and decoding, checksum validation, and serial command queuing.
- Develop safety interlock logic that monitors hardware telemetry and triggers software shutdowns for faults such as overvoltage and overheating.
- Ensure reliable collection and synchronization of clinical session data with AWS cloud backends through secure REST APIs.
- Integrate Android hardware capabilities including UVC cameras, gyroscopes, and accelerometers.
- Establish Android coding standards, mentor junior engineers, and review code for quality and maintainability.
Requirements
- 5+ years of experience building production-grade Android applications in Java and Kotlin.
- Expert-level experience with React Native and TypeScript.
- Proficiency in Java, TypeScript, and JavaScript.
- Advanced knowledge of Redux Toolkit, including slices, async thunks, and middleware.
- Experience with USB/serial communication, UART, or similar low-level protocols.
- Comfort with ArrayBuffers, Uint8Array, hexadecimal conversions, and bitwise operations.
- Deep understanding of the React Native Bridge and/or JSI.
- Experience with Axios, JWT-based authentication, and TLS security.
- Hands-on experience shipping Android applications.
- Strong UI/UX instincts and attention to polished mobile experiences.
- Experience with USB hardware and/or camera integration is preferred.
- Ability to work effectively in a high-intensity, fast-changing startup environment.
Benefits
- Permanent, full-time employment.
- In-person or remote work arrangement.
- Palo Alto, California is preferred, with the Pacific Time Zone also supported.
- Substantial equity opportunity as an early team member.
- Startup benefits and a secure product line.
- Opportunity to work on transformative mental health and neurotechnology products.
Tech Stack
Categories
Mobile
About Ampa Medical
Ampa Medical develops medical devices that offer an alternative to traditional stoma bags for people living with an ostomy, serving patients and clinicians. The privately held company was founded in 2020 and is headquartered in Frederiksberg, Denmark. Its business model centers on commercializing an ostomy-care device through clinical partnerships and distribution in healthcare settings.