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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Firmware Engineer - **Company:** Sofar Ocean - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Salary:** $147,000.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), ARM Architecture, C++ (Programming Language), Code Review, Software Debugging, Embedded C, Embedded Software, Firmware, FreeRTOS, IPv6, Python (Programming Language), Open Source Technology, Software Architecture, Proprietary Software, System Testing, Systems Integration - **Published:** August 9, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=153d55aebdbe2973 ## About the Role * Excellent communication and collaboration skills * Strong systems thinking ability * Solid foundation of software architecture principles * At least 5+ years of professional embedded firmware/software experience * Prior experience as a tech lead for a firmware team * Fluent in embedded C and C++ * Comfortable in Python * Experience with FreeRTOS * Breadth of technology experience including multiple embedded platforms * An understanding of common hardware peripherals and interfaces, * Experience with multiple forms of radio telemetry * Experience with IPv6 networking * Experience with ARM Cortex-M0, M4, and M33 cores * Past work in IoT, robotics, drones and/or automotive products * A passion for or connection to the ocean ## Description You will be a key contributor to the embedded firmware design and implementation of all our hardware products: Spotter, Smart Mooring, next generation platforms and Sofar's new open hardware connectivity stack - Bristlemouth https://www.bristlemouth.org. You thrive in small and collaborative multidisciplinary teams, and are eager to pitch in to debug and solve gnarly issues. You take pride in your craft. You strive to improve the health of our oceans and planet by shipping a cohesive, elegant and impactful product. This role will be working onsite from our Pier 28 office at least 3 days per week and reporting to our Senior Engineering Manager. Some projects you'll be a part of: * Building new Bristlemouth integrations for Spotter and Smart Mooring and evolving the open source Bristlemouth core APIs * Collaborating cross-functionally to build new features on existing platforms * Developing next generation platforms * Advanced research and experiments with new and emerging technologies * Integrated system testing, open ocean deployments, and the occasional throwing of things out of airplanes to see what breaks, * Design and implement efficient and maintainable FreeRTOS firmware with automated unit and integration tests in a mix of C and C++ * Break down complex efforts into parallelizable work streams for your team * Implement host-side test, analysis and automation tools in Python * Participate in code reviews, brainstorms and whiteboard sessions with your team * Write crystal clear specifications and documentation for both external users and internal colleagues * Work alongside electrical and mechanical engineers in designing, integrating, testing and debugging systems * Advocating for the highest leverage features and fixes in product prioritization conversations * Execute frequent releases for internal proprietary firmware as well as open source Bristlemouth firmware, following test plans, building installers, writing release notes, and announcing the releases in friendly and inviting communications for wide audiences ## Related Videos - [IoT: The road to sustainability](https://www.wearedevelopers.com/videos/557-iot-the-road-to-sustainability) - [Unleashing the Full Potential of the Arm Architecture – Write Once, Deploy Anywhere](https://www.wearedevelopers.com/videos/940-unleashing-the-full-potential-of-the-arm-architecture-write-once-deploy-anywhere) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Car's are Technology on Wheels - Impact of Software and IT Competence in Automotive](https://www.wearedevelopers.com/videos/780-car-s-are-technology-on-wheels-impact-of-software-and-it-competence-in-automotive) - [Agent Smith Gets Hardware: Autonomous IoT Hacking From Debug Port to Cloud API](https://www.wearedevelopers.com/videos/100258-agent-smith-gets-hardware-autonomous-iot-hacking-from-debug-port-to-cloud-api) - [When Agents Meet Legacy: Never Change a Running System](https://www.wearedevelopers.com/videos/100320-when-agents-meet-legacy-never-change-a-running-system) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The Best Software Developer Blogs to Read](https://www.wearedevelopers.com/magazine/156-the-best-software-developer-blogs-to-read) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard)