Senior Device Software Engineer, Span.IO
Firmware
$146.7-192.1k
Electrical equipment manufacturing
Job no longer available
Electrical equipment manufacturing
201-500 employees
Job no longer available
$146.7-192.1k
201-500 employees
Company mission
To enable homes to get clean energy faster, cheaper and more easily. Impacting climate change is our passion.
Role
Who you are
- 5+ years of experience building reliable and maintainable software in Rust, C/C++, Go, or other compiled, statically-typed languages
- Solid fundamentals in software and API design best practices, instrumentation, testing, and debugging
- Excellent interpersonal communication and collaboration skills
- 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
Desirable
- Building networked home consumer hardware products, using embedded Linux (Yocto or Buildroot, systemd), real-time operating systems (FreeRTOS), wireless communications (e.g. WiFi, Bluetooth, 802.15.4), cloud backends (REST, GraphQL, MQTT, AWS IoT)
- Building, maintaining infrastructure for pre-production performance and hardware-in-the-loop testing
- Build and release practices for high-quality production software releases, internal tools, and container-based development environments
- Data analysis with Pandas and other tools from the scientific Python ecosystem
- Clean energy hardware in a multidisciplinary environment
What the job involves
- The Device Software Platform Team maintains the embedded Linux platform powering SPAN’s hardware products in energy metering, load management, and EV charging
- Partner with teams across SPAN — embedded software, electrical design, systems engineering, data science, and cloud infrastructure — to prioritize and build new capabilities for our embedded platform
- Build new tools, libraries, and development workflows to support reliable, high-velocity development of SPAN’s power management behavior and 3rd-party battery storage integrations
- Advise product-focused engineering teams on best practices for building observable and reliable application software that runs well at scale
- Design and implement an application communication suite spanning a diversity of protocols/physical interfaces (e.g., USB, serial, CAN-FD, power-line communications, wireless) and support application SDKs in Rust, Python, and C++
- Overhauling the telemetry and alerting systems on our embedded Linux platform to provide cost-effective visibility on our growing install base
- Building a framework for behavioral / simulation testing of power control behaviors in our application stack. Extending our in-house job queue-based hardware-in-the-loop testing platform
Our take
Span helps homeowners looking to improve their energy resilience by replacing electric panels, many of them decades old, with a flexible smart panel that helps users monitor and control their energy usage from a single app.
Founded in just 2018, Span has made great strides in both price and technological development and has won the International Builders' Show 2022 Best Energy Efficient Product award for its Gen 2 smart Panel. Significant funding rounds have propelled product development, including a future-looking integration of its equipment with that of solar inverter, battery, and EV charger manufacturers.
This fast-developing and innovative answer to a previously stagnant home energy feature directly caters to the increasing demand for energy efficiency in the home. This is exemplified by a 2024 partnership with PulteGroup, the third-largest homebuilder in the US. With CEO Arch Rao at the helm, previously head of Products, Application & Sales Engineering at Tesla, Span seems likely to continue on its winning streak with increasingly affordable renewable energy products.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
Company
Funding (last 2 of 5 rounds)
Apr 2023
$96m
SERIES B
Mar 2022
$90m
SERIES B
Total funding: $229.8m
Company benefits
- Competitive compensation and early equity at a well-funded, fast-growing, venture-backed company (read more on why Amazon and others invested in SPAN here and here)
- A sunny 20,000 sqft hardware lab + office space in SOMA, a stone’s throw from Caltrain and close to BART
- Flexible hours and vacation time - we simultaneously work hard and make space for the important stuff
- Additional SPAN holidays in celebration of causes we believe in (i.e. Black History Day, Women’s History Day, Earth Day and Gay Pride & Juneteenth among others)
- Comprehensive benefits include a choice of medical plans; dental, vision, life, and disability insurance
- Diversity - we are serious about this. SPAN embraces diversity and equal opportunity in a serious way. We are committed to building a team that represents a variety of backgrounds,
Company HQ
SoMa, San Francisco, CA
Articles
Leadership
Arch Padmanabhan Rao
(Founder & CEO )After graduating from Stanford with an MS in Mechanical Engineering, Arch was an Energy Consultant for LCG Consulting and Technical Advisor for The Westly Group. They co-founded Verdigris, which used AI to eliminate electricity waste and was the Head of Products, Application and Sales engineering at Tesla Motors before founding Span.
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