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Embedded Firmware Engineer

Electric Hydrogen

San Jose, CA · $154k–$181k a year · Posted September 4, 2026

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About the job

Electric Hydrogen’s mission is to decarbonize our world! Our outstanding people deliver creative decarbonization energy solutions to our customers.

We are seeking an Embedded Firmware Engineer to develop real-time firmware for our power electronics products as well as auxiliary (non-power) electronics. This role will work across the full embedded development lifecycle, from board bring-up and driver development through control algorithm implementation and system communications.

This position will work closely with electrical, power electronics, controls, and systems engineering teams to develop reliable embedded solutions for Electric Hydrogen’s products.

Primary Responsibilities

Develop and debug low-level, real-time, low-latency firmware in C

Perform board bring-up, debugging, testing, and code optimization

Develop and maintain device drivers and hardware interfaces

Implement control algorithms for power electronics products and auxiliary electronics

Design and implement protocols for system communications

Troubleshoot firmware and hardware interactions using oscilloscopes, logic analyzers, and other laboratory equipment

Write and maintain software specifications, design documentation, and technical documentation

Collaborate with electrical, power electronics, controls, and systems engineers throughout product development and testing

Qualifications

BS or MS in Electrical Engineering, Computer Engineering, Computer Science, or a related technical field, or equivalent practical experience

For mid-level candidates, 3+ years of professional firmware or embedded software development experience; strong academic, project, or internship experience in embedded systems will be considered for junior-level candidates

Experience developing low-level embedded firmware in C

Experience with embedded systems development tools, including compilers, debuggers, and IDEs

Experience with version control and issue-tracking tools such as Git and Jira

Experience with communication protocols such as CAN, Modbus, and Ethernet

Experience developing device drivers using hardware interfaces such as ADC, GPIO, PWM, UART, SPI, and I2C

Hands-on experience with oscilloscopes, logic analyzers, and similar laboratory equipment

Knowledge of automated build systems is a plus

Knowledge of the design and implementation of power electronics control loops is a plus

Basic knowledge of Linux environments is a plus, particularly for development toolchains, GUIs, build systems, logging, and testing tools

#LI-Hybrid

Compensation and Benefits | P3

San Jose Zone $154,000 — $181,000 USD

Actual base salary offered to the hired applicant will be determined based on their work location, level, qualifications, job-related skills, as well as relevant education or training and experience.​

Base salary is just one part of Electric Hydrogen’s total rewards package. We feel strongly that our team should not have to worry about having quality healthcare. In addition to the base salary offered, the hired applicant may receive:​

an equity grant​

time off programs​

a $75/month cell phone allowance​

a 4% employer 401(k) match​

access to competitive medical, dental, vision, life insurance, short-term & long-term disability plans

a discretionary bonus​

Electric Hydrogen’s benefits programs are subject to eligibility requirements.

About Electric Hydrogen

Electric Hydrogen is a team of the world's experts in scaling technologies for the post-carbon world, with a proven record in transforming the grid and transportation sectors. Backed by some of the world's top venture capital firms, we design and manufacture electrolytic hydrogen systems matched to renewable power sources to create green hydrogen by splitting water. We are building a cost-effective and transformative path between renewable energy and multiple large industrial sectors. Abundant and low-cost renewable energy sources will power the world, and Electric Hydrogen technology will use this energy to decarbonize industry through sustainable materials. We were founded in 2020 and are based in California and Massachusetts.

Electric Hydrogen is proud to be an equal opportunity employer. We are dedicated to building a diverse, inclusive, and authentic workplace for all to belong. We are aware that people from historically underrepresented groups are less likely to apply if they don't meet 100% of the job requirements. We are actively working on efforts to change this social norm. If you are excited about this role, we encourage you to apply !