Staff Embedded Software Engineer jobs in United States
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Mainspring Energy · 18 hours ago

Staff Embedded Software Engineer

positionMenlo Park, CA
timeFull-time
remoteOnsite
seniorityLead/Staff
money$161K/yr - $189K/yr
date12+ years exp

Mainspring Energy is revolutionizing power generation with innovative technology. As a Staff Embedded Software Engineer, you will develop low-level intelligence for next-generation energy systems, focusing on embedded software and collaboration across teams to drive innovation and performance.

Clean EnergyEnergyOil and Gas
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H1B Sponsor Likelynote

Responsibilities

Design and implement embedded software in C, C++, and Python for control, monitoring, and communications across a growing family of sensors, actuators, and controllers
Architect next-generation embedded platforms, shaping the evolution of our system from the kernel level to high-level application logic
Invent and refine communication protocols for our custom in-house I/O devices—where reliability and performance are non-negotiable
Collaborate deeply with Electrical and Controls teams to bring new hardware to life, from early prototypes to production systems
Lead and mentor other engineers, cultivating a culture of technical excellence and curiosity
Develop simulation, testing, and CI pipelines, ensuring code quality and rapid iteration in a hardware-centric environment
Select and integrate compute hardware, balancing real-time performance, scalability, and cost
Shape our software culture, contributing to best practices, process definition, and architecture decisions that scale with our ambitions

Qualification

C/C++Embedded systemsLinux kernelPythonCI/CDDockerElectrical engineeringSoftware architectureCommunication protocolsMentoring

Required

12+ years of experience developing software for embedded or real-time systems, including design, implementation, and testing
Deep expertise in C/C++, with strong Python proficiency for tooling and automation
Proven experience with Linux kernel builds, customization, and debugging
Solid understanding of software architecture and interface design in resource-constrained environments
Hands-on experience with cross-compilation, build systems, and CI/CD
Basic familiarity with electrical engineering fundamentals to support system-level debugging
Experience using Docker for embedded development and deployment workflows
Passion for engineering excellence and delivering complete, reliable systems on time

Benefits

Pre-IPO stock options
Benefits

Company

Mainspring Energy

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Mainspring Energy provides power generation technology using linear generators for clean energy.
dateFounded in 2010
location
Menlo Park, California, USA
people-size201-500 employees
web-link
https://mainspringenergy.com

H1B Sponsorship

Mainspring Energy has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (40)
2024 (23)
2023 (13)
2022 (12)
2021 (6)

Funding

Current Stage
Late Stage
Total Funding
$813M
Key Investors
General CatalystUS Department of EnergyBloombergNEF
2025-04-14Series F· $258M
2024-10-22Grant· $87M
2023-04-17Grant

Leadership Team

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Shannon Miller
CEO and Founder
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Adam Simpson
CCO and Founder
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Recent News

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2025-10-23
PR Newswire
Building-to-Grid Technology Market to Reach $147.8 billion, Globally, by 2034 at 10.5% CAGR: Allied Market Research
2025-10-13
Company data provided by crunchbase