Senior Firmware Engineer - Medical Devices

Job Title: Senior Firmware Engineer

Location: Woburn, MA

Employment Type: Full-time

About the Role

StemWave is looking for a Senior Firmware Engineer to take a lead role in designing and implementing embedded systems for Class II medical devices. You’ll own critical firmware development initiatives, ensure compliance across regulatory standards, and collaborate cross-functionally to deliver safe, reliable therapeutic technologies. This is an opportunity for engineers with 3–7 years of experience who are ready to step into greater ownership, influence design decisions, and help shape best practices in a fast-paced R&D environment.

What You'll Do

• Lead development and testing of embedded firmware for hardware, software, and QA integration

• Ensure compliance with IEC 62304, FDA QSR, and ISO 13485 across all firmware development phases

• Drive verification and validation activities, risk assessments, cybersecurity reviews, and hardware-in-the-loop testing

• Write and maintain comprehensive technical documentation and regulatory submission artifacts

• Participate in and help guide cross-functional design reviews, providing technical leadership in firmware architecture and implementation

• Contribute to test fixture development and support hardware test setups

What We’re Looking For

• 3–7 years of embedded firmware development experience, preferably in regulated industries (medical device experience strongly preferred)

• Advanced proficiency in C++; strong Python skills for automation and tooling

• Deep understanding of RTOS environments and secure data exchange protocols

• Proficiency with Linux development tools, cross-compilers, and debugging instruments (oscilloscopes, logic analyzers, JTAG, etc.)

• Proven track record ensuring regulatory compliance (IEC 62304, FDA QSR, ISO 13485) and contributing to regulatory submissions

• Hands-on experience supporting hardware teams during system integration, bring-up, and troubleshooting

• Strong skills with Git or similar SCM tools; capable of producing detailed test protocols, validation reports, and design documentation

• Demonstrated ability to take ownership of projects, influence cross-functional teams, and mentor peers in a collaborative R&D environment

This role requires work authorization in the United States. Unfortunately, we are unable to sponsor or take over sponsorship of employment visas now or in the future.

About StemWave

StemWave is a fast-growing medical technology company redefining non-invasive pain and tissue care. With over 700 clinics nationwide using our regenerative devices, we’ve built a trusted brand among elite providers, medical professionals, and performance specialists. Our flagship device, Modus-F, is a Class I therapeutic technology that stimulates deep tissue and activates cellular signaling pathways to reduce pain and promote healing. We’ve been named to the Inc. 5000 list three years in a row and are on a mission to build the leading brand in regenerative medicine.

Why Join Us

• Leadership: Take ownership of projects and mentor engineers while helping shape firmware strategy

• Impact: Work on groundbreaking technology adopted by clinics nationwide

• Growth: Be part of an innovative, mission-driven culture with significant opportunities to advance your career

Benefits

• Paid vacation time & holidays

• 100% employer-paid Medical, Dental, and Vision coverage

• Paid maternity and paternity leave

• Employee Referral Program

At StemWave, we're not just building devices—we're building a movement. Join us