Embedded Software Engineer (Contractor)

Location: Burlingame, California

Department: ESS Engineering

Embedded Software Engineer, ESS 

Location: Burlingame, CA (Onsite) 

Department: ESS Engineering 

Position Type: Contractor (6-12 months)

About the Job  

Peak Energy is seeking an experienced Embedded Software Engineer to join our Energy Storage Systems (ESS) team and work on the development of our gigawatt-scale sodium ion energy storage system.  

Responsibilities:  

• Design and implement real-time, C++, RTOS-based firmware targeting microcontrollers. 

• Understand, code, and use microcontroller hardware to meet functional safety requirements. 

• Create firmware for embedded prototypes to validate hardware design choices and accelerate firmware development. 

• Verify and support the integration of your code. 

• Assist with the definition of requirements. 

• Support products deployed to the field. 

• Participate in hardware and software design reviews. 

• Adhere to modern disciplined development practices such as Clang-based linting, consistent formatting, thoughtful naming, and clear commenting. 

Qualifications:  

• Have shipped at least one commercial or industrial hardware product.  

• A degree in science, engineering, or a related field.  

• 5+ years of professional engineering experience.  

• Experience writing firmware for real-time embedded systems.  

• Experience designing complex software that coordinates several disparate functions. 

• Experience using Linux as a development environment and test platform. 

• Experience configuring build tools such as CMake/Make. 

• A preference for using a debugger to understand the behavior of code at runtime.  

• An understanding of when to reach for an oscilloscope or other test equipment to verify your work.  

• Experience with Git, GitHub, Earthly, Docker, or similar CI tools. 

• Eligibility to work in the United States.  

About the Company 

Peak Energy is the first American venture to advance globally proven Sodium-Ion battery systems as the storage standard for the new era of renewable energy on a resilient grid. 

Sodium-Ion is cheap, readily available, and safe, making it the leading contender in a rapidly evolving market.  

Our leadership team is powered by decades of expertise in scaling gigawatt-level innovation at world-class companies such as Tesla, Northvolt, SunPower, Fluence, and Enovix. We are backed by strategic investment and product partners such as TDK Ventures and Eclipse Ventures.  

We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience. 

Peak Energy Core Values  

• Speed Through Focus: Prioritize what matters most and execute quickly without distractions.  

• Mission Over Self: Put the company's mission and team success ahead of individual interests.  

• Face the Brutal Truth: Embrace honesty, even when it’s uncomfortable, to make informed decisions.  

• Be a Good Person: Treat everyone with respect and integrity, fostering a positive and ethical work environment.  

The hourly rate for this role is $150–$200 per hour, with actual pay varying based on work location, experience, and skills.

At Peak Energy Technologies Inc., we believe that a diverse and inclusive workplace makes us a more capable, innovative, and competitive company. We welcome people who represent diversity in their backgrounds, ethnicities, cultures, and experiences. Peak Energy Technologies Inc. is an equal opportunity employer, aiming to reach our company’s full potential by cultivating an inclusive workforce. We do not discriminate on the basis of race, color, ancestry, religion, national origin, sexual orientation, citizenship, marital or family status, disability, gender identity or expression, veteran status, or any other legally protected status.