Senior Firmware Engineer

Hinge Health

. Build firmware for next-generation, highly integrated medical devices .

Posted 11/9/2026full-timeSan Francisco • California • United StatesSenior💰 $156,000 - $214,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in firmware development for medical devices, with a strong focus on C programming, RTOS-based architectures, and integration with hardware systems. Capable of leading projects from concept to production while ensuring compliance with quality and regulatory standards.

Highest-signal resume keywords

Firmware DevelopmentC ProgrammingRTOS-Based System ArchitectureEmbedded Software TestingTechnical Planning

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Firmware DevelopmentC ProgrammingEmbedded SoftwareLow-Level DriversI2C ProtocolSPI ProtocolUART ProtocolPython-Based TestingEmbedded DebuggingBluetooth Low Energy

Soft Skills

Mentoring EngineersCollaborationTechnical Decision-Making

Tools & Technologies

ZephyrFreeRTOSNordic nRF5x SoCsNordic Connect SDKAI Tools for Firmware Development

Industry Keywords

Medical DevicesHighly Regulated IndustriesAerospaceAutomotiveEmbedded CI Pipelines

Tech Stack

Tools & technologies

PythonRTOS

About the role

Key responsibilities & impact

Build firmware for next-generation, highly integrated medical devices
Own a substantial firmware scope end to end
Make technical decisions across prototyping, design, testing, and production
Collaborate with electrical, mechanical, manufacturing, product, and design partners
Shape system architecture and strengthen engineering practices
Learn product architecture, firmware codebase, workflows, and quality documentation practices
Understand system requirements, design trade-offs, and integration needs
Own a firmware feature or subsystem and establish an implementation and test plan
Design, implement, and test maintainable embedded software
Integrate firmware with electrical, mechanical, and manufacturing systems
Investigate issues across hardware and software boundaries
Improve embedded build and test automation
Support documentation for quality and regulatory requirements
Lead complex firmware scopes or projects from concept through production readiness
Guide system architecture and technical trade-offs through prototyping, detailed design, testing, and production ramp
Conduct design and code reviews, mentor engineers, and promote reliable engineering practices

Requirements

What you’ll need

5+ years of professional firmware or embedded software experience
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 and I2C, SPI, or UART protocols
Experience owning firmware for a project or subsystem from design through production
Experience with technical planning, Python-based testing or automation, version control, and embedded debugging workflows
Experience developing medical devices or in highly regulated industries such as aerospace or automotive preferred
Experience using AI tools for firmware development, including Copilot or agentic workflows preferred
Experience with Nordic nRF5x SoCs and Nordic Connect SDK preferred
Experience developing with Bluetooth Low Energy preferred
Experience designing bootloaders, firmware updates, or memory maps preferred
Experience building embedded CI pipelines and automated hardware-in-the-loop testing preferred
Experience mentoring or technically guiding engineers preferred
Willingness to work from the San Francisco office 3 days per week for 8 hours per day
Located in or willing to relocate to the San Francisco Bay Area

Benefits

Comp & perks

Comprehensive medical, dental, and vision coverage
Gender-affirming care support
Family and fertility planning tools
Travel reimbursements if healthcare is unavailable where you live
Traditional or Roth 401(k) retirement plan options
2% company 401(k) match
Learning and development stipend
Discounted company stock through ESPP
Dog-friendly workplace program at the San Francisco office
Reasonable accommodations for candidates with disabilities