What is the salary for this Senior Staff Firmware Engineer role?

Salary information is not publicly listed for this position. Apply directly to discuss compensation with Eko.

Where is this Senior Staff Firmware Engineer position located?

This is an on-site position at Eko located in Emeryville, CA, North America.

How do I apply for this Senior Staff Firmware Engineer job at Eko?

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Eko is actively hiring for Engineering roles. Visit the company page to see all open positions and learn more about working at Eko.

Senior Staff Firmware Engineer

Eko Emeryville, CA 9 days ago

engineering

Eko builds AI and digital tools to enable every healthcare provider to more accurately detect heart and lung disease – the leading causes of death globally. Our FDA cleared, industry leading products are used by hundreds of thousands of clinicians on millions of patients around the world. With Eko, clinicians can detect cardiac and pulmonary disease with higher accuracy, diagnose with more confidence, manage treatment effectively, and ultimately give their patients the best care possible.

We have strong venture capital backing from investors like Artis Ventures, Questa Capital, Highland Capital, and Mayo Clinic Ventures.

Recognized by TIME magazine in 2025 as one of the world’s top healthcare technology companies, Eko is one of the fastest growing digital health companies with products used around the world at some of the most prestigious health systems.

We have more than 8 FDA clearances including novel AI algorithms, and we invest heavily in quality clinical research and R&D to build and validate exceptional products for patients we care deeply about.

We’ve built a mission driven, high performing, talented, and diverse team of engineers, physicians, PhD’s, creatives, and technologists. We are committed to investing in each other and our mission to ensure all patients have access to high quality care.

We are headquartered in Emeryville, California and privately-held with world class investors and partners.

We're seeking an exceptional firmware engineer to join our core engineering team and help us build lifesaving technology at the intersection of hardware and software. You'll collaborate daily with mechanical, electrical, acoustic, and UX engineers. You'll architect and maintain the firmware that serves as the nervous system of our devices, coordinating signal processing, power management, wireless communication, and user interaction within embedded constraints. You'll collaborate directly with a small firmware team on architectural decisions for both shipping products and next-generation prototypes. This hands-on technical role requires quickly mastering our existing codebase to extract learnings while building new systems, writing production code, and shaping product direction through technical exploration.

This is a hybrid role with required onsite presence on Tue/Wed/Thu.

As Senior Staff Firmware Engineer at Eko, You Will:

Design develop and test embedded firmware for next-generation digital stethoscopes

Maintain and enhance firmware for currently shipping products

Quickly learn existing codebases and extract learnings for future development

Collaborate with other firmware developers on architectural decisions, code standards, and system design for a cohesive product portfolio

Architect real-time systems using FreeRTOS and other embedded operating systems

Optimize firmware for code size, RAM usage, and execution efficiency based on system constraints

Develop and maintain device drivers for peripherals including audio amplifiers, PMICs, displays, sensors, and communication interfaces

Implement Bluetooth Low Energy communication stacks and custom characteristics

Transform loosely-defined product concepts into working prototypes, iterating rapidly with the product team to refine specifications

Collaborate with electrical engineers on component selection, schematic review, and system architecture decisions

Conduct code reviews, establish firmware best practices

Navigate medical device regulatory requirements and contribute to design control documentation

As Senior Staff Firmware Engineer at Eko, You Have:

10+ years of embedded firmware development experience

Deep expertise in C/C++ for embedded systems

Proven experience with FreeRTOS, Zephyr, or similar embedded RTOS environments

Strong understanding of embedded system optimization: code size, RAM footprint, and CPU cycle management

Experience developing bare-metal drivers for I2C, SPI, UART, I2S, and other communication protocols

Solid knowledge of Bluetooth Low Energy (BLE) stack implementation and custom GATT service development

Experience with ARM Cortex-M microcontrollers (or similar embedded architectures)

Proficiency with embedded debugging tools (JTAG/SWD debuggers, logic analyzers, oscilloscopes)

Understanding of power management strategies for battery-operated devices

Experience working from electrical schematics and datasheets to implement hardware interfaces

As Senior Staff Firmware Engineer at Eko, Key Competencies:

Experience in medical device development (FDA regulated environments, IEC 62304, design controls)

Background in consumer electronics or consumer medical devices

Knowledge of digital signal processing (DSP) implementation on embedded platforms

Experience with audio signal processing or acoustic measurement systems

Familiarity with wireless certification processes (FCC, CE, Bluetooth SIG)

Understanding of hardware component sourcing, bill of materials (BOM) optimization, and design for manufacturing (DFM)

Experience with Python or other scripting languages for test automation and tooling

Previous work in startup environments

Contributions to open-source embedded projects

Benefits and Perks We Offer:

The opportunity to work on products that impact the health of millions of people.

Generous paid-time off

Stock incentive plans

Medical/Dental/Vision, Disability + Life Insurance

One Medical membership

Parental Leave

401k Matching

Wellness programs and perks (Headspace, Ginger, Aaptiv, Physera)

Learning and Development stipend

Compensation is market-based and reflects the cost of labor across different U.S. geographic locations. The specific salary is based on several factors, including market location, and may vary depending on job-related knowledge, skills, and experience.

Eko is proud to be an equal opportunity employer and welcome people of different backgrounds, experiences, abilities and perspectives. We are committed to building a diverse and inclusive team.