SPAN · 3 months ago
Staff Software Engineer: Embedded Device Software
San Francisco
Full-time
Onsite
Senior Level, Lead/Staff
$180K/yr - $210K/yr
7+ years expSPAN is a mission-driven company focused on enabling electrification and reducing carbon emissions. They are seeking a Staff Software Engineer for their Device Software team, responsible for developing firmware for hardware products, particularly microcontrollers, and ensuring reliable performance that enhances user experience.
EnergyHardwareInternet of ThingsRenewable EnergySoftware
Responsibilities
Define and implement new features directly related to SPAN’s hardware products focusing on the lowest level - the microcontroller
Designing an OTA system that encompasses a variety of communication interfaces, processor types, and products, while achieving both secure goals for hardware-backed encryption and verification and high reliability
Working with system architects to invent a data steaming architecture for a new product family which can satisfy both the needs of the data science team to access high rate and quality data, as well as safety guarantees around consistency and accuracy
Representing the Device Software team in group settings and evangelizing engineering best practices
Participating in code and design reviews as well as authoring documents which further reinforce these goals, and supporting engineers across the org in hitting them
Qualification
Required
7 or more years of experience writing software for a hardware device (on a microcontroller, and/or in Linux, etc) in C++ or C
Strong fundamentals in modern software design with tools like Object-Oriented design, coupled with awareness of concerns like manual memory management
Experience working with standard electrical communication interfaces like UART, I2C, USB, etc
Exceptional interpersonal communication and collaboration skills. Great at building trust and driving decisions to a resolution
Track record of taking ownership over projects and willingness to help others with theirs, from design and code review through to mentorship of new employees
Preferred
Experience with the STM32 microcontroller family
Experience with functional safety and processes and standards like UL 60730, ISO 26262, IEC 61508, and UL 1998
Experience writing higher level system or application software such as diagnostic command line tools or the application side of a communication interface
Wireless technologies like WiFi, Bluetooth and Zigbee
Hands-on experience with electronics lab equipment
Clean energy hardware in a multidisciplinary environment
Benefits
Competitive compensation + equity grants at a well-funded, venture-backed company
Comprehensive benefits: 100% employee premiums for base plans on medical, dental, vision with options for additional coverage. Parental leave up to twenty four (24) weeks depending on eligibility
Comfortable, sunny office space located near BART and Caltrain public transit
Strong focus on team building and company culture: Employee Resource Groups, monthly social events, SPANcakes recognition breakfast, lunch, and learns
Flexible hours and flexible time off
Company
SPAN
Span develops residential energy storage devices that provide renewable electricity and charging services for electric vehicles.
201-500 employees
H1B Sponsorship
SPAN 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 (16)
2024 (7)
2023 (13)
2022 (5)
2021 (3)
2020 (1)
Funding
Current Stage
Growth StageTotal Funding
$229.8MKey Investors
Wellington ManagementTDK VenturesMunich Re Ventures
2023-03-03Series B· $96M
2022-01-18Series B· $90M
2021-03-31Series Unknown
Leadership Team
Arch Rao
Founder & CEO
Recent News
vcnewsdaily.com
2025-11-19
2025-11-19
Company data provided by crunchbase