Lead Firmware Engineer

About Our Innovative TeamAt OpenAI, our Hardware organization is at the forefront of developing cutting-edge silicon and system-level solutions tailored for the demanding requirements of advanced AI workloads. Our team is dedicated to creating the next generation of AI-native silicon, collaborating closely with software and research partners to co-design hardware that seamlessly integrates with AI models. Beyond delivering high-performance silicon for our supercomputing infrastructure, we also pioneer custom design tools and methodologies that foster innovation and optimize hardware specifically for AI applications.Your Role in Our MissionWe are seeking a skilled Embedded Firmware Engineer to join us in crafting firmware and modeling software for our proprietary AI accelerator. This pivotal role encompasses the design and development of drivers and functional models for a diverse range of hardware components, focusing on high-throughput and low-latency firmware coding, as well as troubleshooting bring-up and production challenges.Key ResponsibilitiesDesign and implement drivers for hardware peripherals, specifically tailored for AI chips.Create functional software models to simulate SoC uncore logic, facilitating firmware testing.Develop low-latency and high-throughput embedded software to efficiently manage hardware resources.Collaborate with software and hardware teams to gather requirements, debug issues, and influence the design of future hardware generations.Engage with vendors to incorporate their technologies into our systems.Oversee the bring-up and debugging of firmware/drivers on new platforms.Develop processes to address and troubleshoot field-raised issues.Establish monitoring, integration testing, and diagnostic tools.Essential QualificationsMinimum of 5 years experience in embedded software engineering.Proven ability to thrive in ambiguous situations and rapidly learn new technologies.Strong programming proficiency in C/C++ and/or Rust.Experience in developing high-throughput, low-latency, and multi-threaded code.Familiarity with real-time operating systems (RTOS).Hands-on experience in developing hardware drivers and collaborating with hardware.Experience in hardware/software co-design.Knowledge of common embedded protocols such as UART, I2C, and SPI.Familiarity with microprocessors and prevalent ARM architectures.

Samsara seeks a Senior Firmware Automation Engineer based in San Francisco (SF9). This position centers on enhancing the process of developing and delivering firmware. Role overview The Senior Firmware Automation Engineer will work with teams throughout the company. The main responsibility is to design and implement automation that improves the quality of firmware releases. Collaboration Close coordination with other groups at Samsara is essential. The role requires understanding the needs of different teams and applying automation solutions that support consistent, reliable firmware delivery.

About CalaAt Cala Health, we are dedicated to liberating individuals from the challenges posed by chronic diseases. Our journey began with the introduction of the first non-invasive prescription therapy for hand tremors. After years of meticulous refinement, we proudly launched Cala kIQ—our most advanced therapy to date. Our innovative products have enabled thousands to reclaim their lives with confidence and ease.But we are just getting started. Our groundbreaking technology holds promise across various fields including neurology and cardiology. We are committed to continuing our mission of assisting individuals in their battles against chronic diseases.The OpportunityCala Health is on the lookout for a Senior Firmware Engineer to become a key player on our expanding team. You will collaborate with a seasoned product development team, taking charge of new design, development, testing, and continually enhancing our pioneering health products.This dynamic, hands-on position demands adaptability and strong collaboration skills. You will engage with the full stack, from hardware support to application development, focusing on low-power, wearable embedded systems. If you thrive in an environment where you can wear many hats—switching between developing features for our commercial therapies, spearheading new product initiatives, and providing support to ensure timely project completion—you will excel in this role, which involves writing and executing tests, supporting compliance testing, and managing firmware documentation.The Senior Firmware Engineer will report to the Engineering Manager and will not have direct reports.Location: Hybrid (Onsite in San Mateo, CA)The compensation range for this position is competitive, with a salary range of $125,000 - $175,000, complemented by a comprehensive benefits package that aligns with our overall compensation philosophy.All applicants must be authorized to work in the United States on a full-time basis. Cala Health does not sponsor work visas.

Role Overview Block, Inc. is looking for an ASIC Validation Engineer in the Bay Area, CA. This role focuses on validating ASIC designs and confirming their performance meets expectations. The work involves collaborating with teams across different functions and running thorough validation tests. What You Will Do Validate ASIC designs using established and custom test procedures Work closely with engineering and product teams to optimize design outcomes Contribute to projects that influence future technology directions

Join Fellow as a Firmware EngineerAt Fellow, our mission is to empower coffee enthusiasts to brew exceptional coffee at home. We go beyond offering beautifully designed kettles and grinders; we are a brand immersed in innovation, community, and culture. We believe that great coffee is about the entire experience—the ritual and the connections made along the way.We are seeking a Firmware Engineer to lead the design, development, and maintenance of robust and scalable user interface (UI) and communication firmware for our Internet of Things (IoT) platform. This position is based in our San Francisco office, where you will collaborate with a talented team while being in-office four days a week.

Oura Health is seeking a Firmware Engineer to help shape the next generation of wearable technology. This hybrid role is based in either San Diego or San Francisco, California, and centers on designing and improving firmware that powers Oura’s products. Role overview As a Firmware Engineer, you will join a collaborative team focused on building and refining firmware solutions for wearable devices. The work directly impacts the user experience and overall functionality of Oura’s health-focused products. What you will do Design and implement firmware for wearable devices Optimize system performance and reliability Work closely with teammates to solve technical challenges Who will thrive This role suits someone who enjoys solving technical problems and wants to contribute to technology that supports healthier lifestyles. Curiosity and a drive to improve user experience are important for success in this position.

ABOUT US:At Skip, we are dedicated to enhancing lives through powered movement.We believe that movement is essential for physical, mental, and social well-being. However, it remains out of reach for 2 billion people due to age, injury, or disability. Our mission is to create innovative products that restore mobility, allowing millions to experience the joy of movement. We envision a future where no one is left behind, and where grandparents can easily keep up with their grandchildren.Founded in 2023 as a spin-off from Google X, Skip is a dynamic 20-person startup. Our team combines extensive cross-disciplinary expertise and strategic partnerships (e.g., with Arc’teryx) to pioneer the first commercially successful wearable robotic device, the MO/GO, and to develop a platform for future Movewear products that will transform lives worldwide.THE ROLE:We are looking for a passionate and versatile Senior Firmware Engineer to join our innovative team. You will tackle various challenges as we develop the next generation of wearable robots designed for everyday use.As a key member of our team of exceptional engineers and product leaders, you will start in an individual contributor role while providing leadership for critical systems.Your responsibilities will include, but are not limited to:Overseeing embedded C/C++ development, including FreeRTOS management, interrupts, and JTAG/SWD debugging.Enhancing data communication processes between peripherals and chips such as ESP32 and STM32, including Wi-Fi and BLE integration.Implementing secure Over-The-Air (OTA) updates and bootloaders.Managing our AWS IoT Core environment, including mTLS, MQTT, and IoT Jobs OTA.Controlling a variety of actuators, including off-the-shelf BLDCs, custom PMSMs, and axial flux motors, along with firmware development for our motor control chip (currently C2000, but subject to change).Guiding design and development decisions for future iterations.

About GridwareGridware is an innovative technology firm based in San Francisco, committed to enhancing the safety and reliability of the electrical grid. We have introduced a revolutionary approach known as Active Grid Response (AGR), which focuses on monitoring the grid’s electrical, physical, and environmental parameters. Our cutting-edge AGR platform employs high-precision sensors to identify potential issues early, facilitating proactive maintenance and effective fault mitigation. This holistic strategy not only enhances safety but also minimizes outages, ensuring the grid functions efficiently. Backed by prominent climate-tech and Silicon Valley investors, we are making significant strides in the industry. For more details, please visit www.Gridware.io.Team Overview Our Hardware Engineering team plays a vital role in designing and testing our devices, encompassing everything from mechanical components and electronics to the firmware and protocols they operate on. Our devices are life-saving, which necessitates robust support for a diverse array of continuously-sampling sensors. We aim for tens of thousands of units to perform exceptionally well over a decade in challenging environments, from snowy mountaintops to forests and deserts.

About GridwareGridware is a pioneering technology firm located in San Francisco, focused on safeguarding and enhancing the electrical grid. We have introduced an innovative approach to grid management known as Active Grid Response (AGR), which emphasizes the monitoring of electrical, physical, and environmental factors that impact grid reliability and safety. Our cutting-edge AGR platform utilizes precision sensors to identify potential issues at an early stage, allowing for proactive maintenance and fault mitigation. This holistic strategy contributes to improved safety, reduced outages, and enhanced grid efficiency. Our company is supported by climate-tech and Silicon Valley investors. For further details, please visit www.Gridware.io.Role Description We are on a mission to prevent grid-ignited wildfires. To achieve this, our devices require robust, thoroughly tested, and energy-efficient firmware. We are seeking your expertise to aid in the development of this firmware. You will tackle challenges related to power consumption, communications, and signal processing, enabling our devices to detect increasingly subtle faults in remote areas.

Join The Bot CompanyAt The Bot Company, we are on a mission to create an innovative robot designed to enhance everyday life in homes everywhere.Our dynamic team, comprised of talented engineers, designers, and operators, is based in San Francisco and boasts a wealth of experience from industry-leading organizations like Tesla, Cruise, OpenAI, Google, and Pixar. We have successfully delivered products to hundreds of millions of users, and we understand what it takes to craft exceptional products and experiences.We pride ourselves on maintaining a lean team structure that fosters swift decision-making and minimizes bureaucracy. Each team member is an individual contributor with significant autonomy, radical ownership, and clear responsibilities. Our culture encourages collaboration across the entire stack, allowing us to iterate quickly and execute effectively.What We Seek in CandidatesCandidates for all roles at The Bot Company must demonstrate exceptional sharpness and adaptability in fast-paced, high-pressure environments. We are looking for individuals who exhibit:Remarkable mental acuity: You think on your feet, learn rapidly, and can reason effectively across various domains.Engineering curiosity: You delve into understanding how systems function, even beyond your area of expertise.A high-performance mindset: You thrive in dynamic environments, embrace ambiguity, and excel when faced with challenges.Role Overview: Firmware and Motor Control EngineerAs a Firmware and Motor Control Engineer, you will develop low-level firmware and control systems that govern the actuators and mechanisms within our robots. This role requires expertise in writing high-performance embedded software, implementing advanced motor-control algorithms, and collaborating across hardware and software domains to achieve precise and reliable motion.

About Our TeamAt OpenAI, our Hardware organization is dedicated to pioneering silicon and system-level solutions tailored to meet the intricate demands of advanced AI workloads. Our team is at the forefront of developing next-generation AI-native silicon, collaborating closely with software engineers and research partners to co-design hardware that seamlessly integrates with sophisticated AI models. In addition to producing industry-leading silicon for our supercomputing infrastructure, we also create innovative design tools and methodologies that drive advancements and enable hardware specifically optimized for AI applications.About the PositionWe are on the lookout for a talented Networking Operating System Firmware Engineer to spearhead the development and scaling of the switching layer for our AI supercomputers. In this pivotal role, you will be responsible for designing and maintaining custom SONiC NOS images from the ground up, engaging with the Linux kernel, switch ASIC SAI/SDKs, platform drivers, control-plane services, and orchestration layers.Your expertise will be critical in validating, configuring, and optimizing switch platforms utilized across our high-bandwidth cluster fabric. You will ensure top-notch performance, reliability, and availability while guaranteeing smooth integration with fleet automation. Collaboration with hardware and systems teams, as well as guiding vendors to meet stringent technical standards, will be essential to your success.This position is based in San Francisco, CA, and follows a hybrid work model, requiring three days in the office each week. We also offer relocation assistance for new team members.Key Responsibilities:Design, develop, and maintain custom SONiC NOS images for expansive, cutting-edge AI fabrics.Integrate and configure Linux kernel components, device drivers, switch ASIC SDKs, and SAI layers efficiently.Bring up new switch platforms, overseeing thermal/fan control, power monitoring, transceiver management, watchdogs, OSFP CMIS, LEDs, CPLDs, and more.Extend and customize SONiC services for routing, telemetry, control-plane state, and distributed automation.Collaborate with hardware teams to validate ASIC configurations, manage link bring-up, SerDes tuning, buffer profiles, and establish performance baselines.Analyze switch silicon SDK releases, monitor vendor deliverables, and define platform requirements alongside vendors and ASIC partners.Diagnose complex issues spanning kernel, platform drivers, SONiC dockers, routing agents, orchestration services, hardware signals, and network topology.Integrate switches into fleet-wide monitoring, remote diagnostics, telemetry pipelines, and automated lifecycle workflows.

Hinge Health is looking for a Firmware Engineer II to join its Hardware Engineering team based in San Francisco. This position focuses on designing and developing firmware and embedded software for advanced medical devices within the Research & Development organization. Role overview The Firmware Engineer II will contribute to the creation of hardware products, with a primary focus on firmware and embedded software. Projects span a range of medical device innovations, offering the chance to work closely with electrical, mechanical, and manufacturing engineers. The role involves supporting products from the initial concept phase through to full-scale production. What you will do Design and develop firmware and embedded software for new hardware products. Support a variety of projects aimed at advancing medical device technology. Collaborate with cross-functional teams to bring products from idea to manufacturing. Requirements Junior-to-mid-level experience in firmware or embedded software development. Interest in how hardware can address real-world challenges and improve users’ quality of life. Comfort working collaboratively and sharing ideas within cross-functional teams. Engineers at Hinge Health see their work make a direct difference for users, helping to alleviate pain for millions. The team values every contribution and encourages open input.

About Redwood MaterialsAt Redwood Materials, we are pioneering a sustainable battery supply chain that integrates recovery, reuse, and recycling to keep essential minerals in circulation and promote the energy transition. Established in 2017, we are focused on delivering affordable, large-scale energy storage and producing battery materials domestically in the U.S., leveraging existing batteries.Senior Firmware Engineer, Energy StorageKey Responsibilities:Join an innovative engineering team at Redwood and play a vital role in designing, developing, and integrating cutting-edge products. This position emphasizes creating robust firmware from the ground up for ARM Cortex-M class microcontrollers, specifically for large-scale, distributed industrial applications. You will be responsible for communication with and control of various off-the-shelf devices, as well as developing control algorithms for power electronics.The ideal candidate is proactive, adaptable to a fast-paced startup environment, and enthusiastic about tackling new technical challenges. If you are excited to contribute to a dynamic team at Redwood, we would love to connect with you!The job level may be adjusted to match the applicant’s experience and responsibilities.

Join Our Mission at NudgeAt Nudge, we are dedicated to pioneering advanced technology that interfaces with the brain to enhance the quality of life for individuals. Our innovative approach focuses on developing a non-invasive, ultrasound-based device designed to stimulate and image the brain with high precision and depth. This endeavor integrates cutting-edge hardware, software, and research capabilities, aiming to create impactful products that can serve millions — and eventually billions — of people.To achieve our goals, we are committed to building exceptional teams across all aspects of our work. We seek individuals who excel in their fields, are passionate about tackling challenging tasks, and maintain a relentless drive for excellence — expecting the highest standards of rigor and integrity from one another.Your Role as a Firmware EngineerAs a Firmware Engineer at Nudge, you will:Produce high-quality, safety-critical code in C, C++, Rust, and Verilog for real-time embedded systems.Assist in making architectural decisions and selecting components for embedded hardware.Implement algorithms on devices for targeted stimulation and imaging.Conduct bring-up and troubleshooting of embedded systems.Collaborate with electrical, mechanical, and software engineers to conceptualize embedded systems central to our products.Contribute to necessary documentation and analysis for regulatory compliance.

At Eight Sleep, we are pioneering the future of sleep through innovative technology and scientific insights. As the world’s first sleep fitness company, our mission is to unlock human potential by enhancing sleep quality for everyone. Our groundbreaking product, the Pod, revolutionizes sleep with its temperature-regulated technology, improving health and overall happiness. Recognized by Fast Company as one of the Most Innovative Companies in 2018, 2022, and 2023, we are backed by top Silicon Valley investors and continue to expand our reach across North America and Europe.As a Senior Firmware Engineer, you will play a vital role in bringing the current and future generations of our Pod hardware to fruition. You will join a dedicated team, where you will design, implement, and innovate solutions that directly impact our members’ sleep experiences. Your contributions will have an immediate effect on our existing fleet of Pods, and we are looking for individuals with a growth mindset who are eager to help us further our mission of enhancing lives through optimal sleep.

Company OverviewAt Echo Neurotechnologies, we are revolutionizing the Brain-Computer Interface (BCI) landscape by merging advanced hardware engineering with innovative AI solutions. Our goal is to develop state-of-the-art technologies that restore independence to individuals with disabilities, enhancing their overall quality of life.Team CultureBecome a part of our dynamic and passionate team, where each member is dedicated to pushing the boundaries of technology. Our startup environment fosters ownership and encourages impactful decision-making. We champion continuous learning and collaboration across disciplines, ensuring that your contributions play a pivotal role in our achievements.Position OverviewAs a Senior Firmware Engineer, you will be at the forefront of developing high-quality, robust, and scalable firmware for Echo's pioneering medical devices. You will contribute significantly to the cross-functional team tasked with launching our inaugural BCI device. Your insights will shape firmware, software, and electronic decision-making processes, guiding the product from conception through to testing, verification, and validation.

Zyphra is an innovative artificial intelligence company located in the heart of San Francisco, California.The Opportunity:Join our dynamic team as a Research Engineer - Audio & Speech Models, where you will play a pivotal role in advancing Zyphra’s Audio Team. You will be instrumental in developing cutting-edge open-source text-to-speech and audio models. Your contributions will span the full spectrum of the model training process, from data collection and processing to the design of innovative architectures and training approaches.Your Responsibilities:Conduct large-scale audio training operationsOptimize the performance of our training infrastructureCollect, process, and evaluate audio datasetsImplement architectural and methodological improvements through rigorous testingWhat We Seek:A strong research mindset with the ability to navigate projects from ideation to implementation and documentation.Proficiency in rapid prototyping and implementation, allowing for swift experimentation.Effective collaboration skills in a fast-paced research environment.A quick learner who is eager to embrace and implement new concepts.Excellent communication abilities, enabling you to contribute to both research and engineering tasks at scale.Preferred Qualifications:Expertise in training audio models, such as text-to-speech, ASR, speech-to-speech, or emotion recognition.Experience with training audio autoencoders.Solid understanding of signal processing, particularly in audio.Familiarity with diffusion models, consistency models, or GANs.Experience with large-scale (multi-node) GPU training environments.Strong understanding of experimental methodologies for conducting rigorous tests and ablations.Interest in large-scale, parallel data processing pipelines.Competence in PyTorch and Python programming.Experience contributing to large, established codebases with rapid adaptation.

Agility Robotics stands at the forefront of robotic innovation. Our groundbreaking robot, Digit, is the first of its kind to be integrated into workplaces worldwide. Our talented team is characterized by its remarkable ability to conceive, design, and implement robots that exhibit advanced mobility, dexterity, intelligence, and efficiency—robots crafted to collaborate seamlessly with humans in environments tailored for them. Daily, we confront engineering obstacles and pioneer innovative solutions that will eventually make robots a common and friendly presence in our lives. This endeavor is not just our passion; it is our duty: our mission is to enhance business productivity and enrich people's lives.About The RoleWe are on the lookout for a Staff Firmware Engineer who will be pivotal in planning the firmware architecture for our robots, designing subsystems, and developing robust and reliable firmware across our entire robot lineup. In this role, you will work in tandem with a diverse team of engineers to comprehend the unique specifications of our products and ensure our robot designs are resilient and primed for production. Additionally, you will act as a key liaison between hardware components and advanced robot control algorithms by documenting interfaces and offering support to fellow engineers.LocationThis position is available at our office in the San Francisco Bay Area. Regular travel to Salem, typically one week per month, will be necessary.About The Work:Contribute to the C++ firmware architecture that powers our robot's low-level sensor network, control systems, and power management.Develop the firmware communication layer utilizing EtherCAT and CAN protocols.Write firmware for the hardware abstraction layer, peripheral drivers, and applications.Conduct real-time hardware testing and debugging with benchtop test equipment such as logic analyzers and oscilloscopes.

ABOUT US:Skip is dedicated to transforming lives by enhancing mobility through innovative powered movement solutions.With 2 billion people facing mobility challenges due to age, injury, or disability, our mission is to develop products that restore mobility for millions, paving the way for a future of joyful movement experiences. We envision a world where grandparents can effortlessly keep up with their grandkids, ensuring no one is left behind.Founded in 2023 as a spin-off from Google X, Skip is a dynamic start-up with a team of 20 passionate individuals. Our extensive expertise and strategic partnerships (e.g., with Arc’teryx) position us to launch the MO/GO, our first commercially successful wearable robotic device, and develop future Movewear products that will revolutionize mobility for millions.THE ROLE:We are on the lookout for an enthusiastic and innovative Motor Control Firmware Engineer to join our team. This individual will tackle complex challenges associated with the design and development of a new generation of wearable robots, focusing on motor control systems, novel actuators, and sophisticated battery management.As a key member of our team, you will initially serve as an individual contributor, leading critical systems and collaborating closely with our test engineer and gearbox designer to optimize our powertrain based on recently completed EVT builds.Key responsibilities include:Become the authoritative figure for our mechatronics system, offering troubleshooting guidance and expertise.Lead design and development decisions for product iterations and future systems, including battery and motor specifications, motor control chip selection, and firmware requirements.Collaborate with cross-functional teams to ensure seamless integration of all components within our systems.