Senior Firmware Engineer
Hinge Health2 days ago
Base Salary
$156k - $215k/yr
Responsibilities
- Own firmware features and subsystems from requirements and architecture through implementation, testing, integration, production readiness, and ramp.
- Design, implement, and test maintainable embedded software using C, RTOS-based architectures, low-level drivers, and hardware communication protocols.
- Integrate firmware with electrical, mechanical, and manufacturing systems and investigate issues across hardware and software boundaries.
- Develop firmware testing and automation in Python, improve embedded build and test automation, and support hardware-in-the-loop testing.
- Guide system architecture and technical trade-offs through prototyping, detailed design, testing, and production.
- Contribute to design and code reviews, mentor engineers, and improve engineering practices, documentation, and quality processes.
Requirements
- 5+ years of professional firmware or embedded software experience with consumer electronics, medical devices, or other highly integrated embedded hardware.
- Strong experience with C in embedded systems, RTOS-based system architecture such as Zephyr or FreeRTOS, low-level drivers, and I2C, SPI, or UART protocols.
- Experience owning firmware for a project or subsystem from design through production, including technical planning, Python-based testing or automation, version control, and embedded debugging workflows.
- Preferred experience includes medical devices or regulated industries such as aerospace or automotive.
- Preferred experience includes AI-assisted firmware development, Nordic nRF5x SoCs, Nordic Connect SDK, Bluetooth Low Energy, bootloaders, firmware updates, memory maps, embedded CI pipelines, automated hardware-in-the-loop testing, and mentoring or technically guiding engineers.
Benefits
- Hybrid employees are required to work in the office 3 days per week for the full 8 hours of a typical business day; the San Francisco office has a dog-friendly workplace program.
- Comprehensive medical, dental, and vision coverage, plus gender-affirming care, family and fertility planning tools, and healthcare travel reimbursements.
- Traditional or Roth 401(k) options with a 2% company match.
- Learning and development stipends.
- Discounted company stock through an ESPP.
About Hinge Health
Hinge Health builds a digital musculoskeletal care platform for employers and health plans, combining a mobile app, connected sensors, AI, and clinicians to deliver personalized rehab and pain management. It sells as an employee benefit and integrates with health plans and PBMs; the program spans acute injury, chronic pain, and post-surgical recovery. Founded in 2014 and headquartered in San Francisco, it serves 2,550+ employers and 50+ health plans, reaching over 20 million eligible members.