Senior Firmware Engineer

San Francisco-HQ, Remote. Posted 5 days ago

The role

You will own a substantial firmware scope end to end, making technical decisions across prototyping, design, testing, and production. You will build firmware for next-generation medical devices and work with electrical, mechanical, manufacturing, product, and design partners.

What you will do

Learn product architecture, firmware codebase, development workflows, and quality documentation practices
Partner with engineering and product peers to understand system requirements and design trade-offs
Take ownership of a defined firmware feature or subsystem
Design, implement, and test firmware for your scope
Integrate firmware with electrical, mechanical, and manufacturing systems
Improve embedded build and test automation
Lead a complex firmware scope or project from concept through production readiness
Guide system architecture and technical trade-offs
Perform design and code reviews and mentor other engineers

Required qualifications

5+ years of professional firmware or embedded software experience writing code for consumer electronics, medical devices, or other highly integrated embedded hardware
Strong experience with C in embedded systems
Experience with RTOS-based system architecture (such as Zephyr or FreeRTOS)
Experience with low-level drivers
Experience with hardware communication protocols such as I2C, SPI, or UART
Experience owning firmware for a project or subsystem from design through production
Experience with technical planning
Experience with Python-based testing or automation
Experience with version control and embedded debugging workflows

Nice to have

Experience developing medical devices or working in another highly regulated industry, such as aerospace or automotive
Experience using AI tools to develop firmware, including copilot or agentic workflows
Experience with Nordic nRF5x SoCs and the Nordic Connect SDK
Experience developing with Bluetooth Low Energy
Experience designing bootloaders, firmware updates, or memory maps
Experience building embedded CI pipelines and automated hardware-in-the-loop testing
Experience mentoring or technically guiding other engineers

Benefits

Comprehensive medical, dental, and vision coverage
Help with gender-affirming care
Tools for family and fertility planning
Travel reimbursements if healthcare is not available where you live
Traditional or Roth 401(k) retirement plan options with a 2% company match
Modern life stipends for learning and development
Discounted company stock through ESPP

About the company

Hinge Health uses technology to scale and automate the delivery of healthcare for musculoskeletal (MSK) conditions. The company is headquartered in San Francisco with additional offices in Montreal and Bangalore.