Firmware Engineer

About the Role

Hinge Health is seeking a Firmware Engineer to join our Hardware Engineering team. In this role, you will play a key part in designing and developing our next-generation hardware products.

As a junior-to-mid-level engineer, you will work on diverse projects, driving firmware / embedded software for highly integrated medical devices. You will work cross-functionally with electrical, mechanical, and manufacturing teams to bring products from concept through production.

The ideal candidate is excited about solving real problems with hardware – your work will have a direct impact on reducing pain and improving the lives of our millions of members. In joining our HW group within the broader R&D organization, you will be part of a highly capable, motivated, small team where your contributions and ideas truly matter.

What You’ll accomplish

• Develop firmware for highly integrated embedded devices that are loved by our members and make a real positive impact

• Work at all stages of the product development process, from exploration and prototyping to detailed design, testing, and ramping to mass production

• Collaborate closely with electrical, mechanical, and senior firmware engineers on system architecture and integration

• Ensure design quality and meeting medical device regulatory requirements with clear documentation and robust testing

• Support DevOps for embedded software, including automation of building and testing code

• Keep abreast of the latest developments in AI and leverage the tools in a way that makes sense for firmware

Basic Qualifications

• 2+ years of professional experience in Firmware or Embedded Software, writing code for consumer electronics, medical devices, or other highly integrated embedded hardware

• Strong expertise with C in a firmware / embedded systems context

• Proficient with low-level drivers (ADC, PWM, etc.) and communication protocols (I2C, SPI, UART, etc.)

• Proficient in Python for creating tools for firmware testing and task automation

• Experience developing in a team environment using version control (Git) and with embedded development tools and workflows (setting up build systems, J-Link, debugging)

• Familiarity with Electrical Engineering design – You can read datasheets and schematics, or deep dive with an EE to do a pin/peripheral allocation for an MCU

• Competency with standard lab equipment such as oscilloscopes, logic analyzers, multimeters, and power supplies

Preferred Qualifications

• Experience working in medical device development or, alternatively, within another highly regulated industry (aerospace, automotive, etc.)

• Experience developing firmware with the help of AI, both as a copilot and in agentic mode

• Experience developing with an RTOS, especially Zephyr

• Experience with Nordic nRF5x SoCs and the Nordic Connect SDK

• Experience with Bluetooth LE

• Experience with bootloaders, firmware update, and managing memory maps

• Familiarity with DevOps for embedded – CI pipelines (GitHub Actions, GitLab CI) and automated testing with hardware-in-the-loop (HIL) setups

Hinge Health Hybrid Model

We believe that remote work and in-person work have their own advantages and disadvantages, and we want to be able to leverage the best of both worlds. Employees in hybrid roles are required to be 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.

About Hinge Health

At Hinge Health, we’re using technology to scale and automate the delivery of healthcare, starting with musculoskeletal (MSK) conditions, which affect over 1.7 billion people worldwide. Our AI-powered, human-centered care model spans MSK, pelvic health, gastrointestinal (GI) and migraine care. With over 60 partnerships with health plans, PBMs and other ecosystem partners, Hinge Health is available to over 25 million people across more than 2,900 employers. The company is headquartered in San Francisco with additional offices in Montreal and Bangalore. Learn more at hingehealth.com.

What You’ll Love About Us

• Inclusive healthcare and benefits: On top of comprehensive medical, dental, and vision coverage, we offer employees and their family members help with gender-affirming care, tools for family and fertility planning, and travel reimbursements if healthcare isn’t available where you live.

• Planning for the future: Start saving for the future with our traditional or Roth 401k retirement plan options which include a 2% company match.

• Modern life stipends: Manage your own learning and development.

• Grow with us: Grow with us through discounted company stock through our ESPP with easy payroll deductions.

Culture & Engagement

Hinge Health is an equal opportunity employer and prohibits discrimination and harassment of any kind. We make employment decisions without regards to race, color, religion, sex, sexual orientation, gender identity, national origin, age, veteran status, disability status, pregnancy, or any other basis protected by federal, state or local law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. We provide reasonable accommodations for candidates with disabilities. If you feel you need assistance or an accommodation due to a disability, let us know by reaching out to your recruiter.

By submitting your application you are acknowledging we are using your personal data as outlined in the personnel and candidate privacy policy.

Beware of Phishing Attempts: We've noticed an increase in phishing where fraudsters impersonate employees and send fake job offers to steal sensitive information. We'll never ask for financial details during the hiring process and only use "@hingehealth.com" emails. If you receive a suspicious offer, stop communication and report it to the US FBI Internet Crime Complaint Center. To verify an email from our recruiting team, forward it to security@hingehealth.com.

This Firmware Engineer role develops embedded software for integrated medical devices, from early prototypes through production. You’ll work with electrical, mechanical, manufacturing, and firmware colleagues on device integration, testing, documentation, and embedded build and test automation.

Role at a glance

Skills mentioned

What you will likely work on

• Develop firmware for integrated embedded devices.
• Contribute across exploration, prototyping, detailed design, testing, and production ramp-up.
• Collaborate on system architecture and integration with electrical, mechanical, and firmware engineers.
• Document and test designs to support quality and medical-device regulatory needs.
• Build automation for embedded software compilation and testing.
• Track relevant AI developments and apply useful tools to firmware work.

Good fit signals

• At least two years of professional firmware or embedded-software experience on consumer electronics, medical devices, or other integrated hardware.
• Strong C expertise and proficiency with low-level drivers, communication protocols, and Python tooling.
• Experience with team-based Git workflows, embedded build and debug tools, and standard electronics lab equipment.
• Can interpret datasheets and schematics, independently or with electrical engineering partners.
• Medical-device or other regulated-industry experience is helpful; experience with RTOS, Nordic devices, Bluetooth LE, firmware updates, or embedded CI/HIL is also preferred.