At Eko, we’re dedicated to providing healthcare professionals with industry leading digital tools to hear and understand their patients’ hearts and lungs. With our platform, clinicians can detect cardiopulmonary disease with higher accuracy, diagnose with more confidence, manage treatment effectively, and ultimately give their patients the best care possible.
With over $165M in funding from partners like 3M and the Mayo Clinic, Eko has become one of the fastest growing digital health companies, doubling our customer base in the last year to over 500,000 clinicians across 4,000 U.S. hospitals. We’ve built a tremendously talented, diverse, and mission driven team and are proud to be certified as a Great Place to Work®. Together we are committed to investing in each other and our mission to ensure all patients have access to high quality care.
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.
At Eko, we’re dedicated to providing healthcare professionals with industry leading digital tools to hear and understand their patients’ hearts and lungs. With our platform, clinicians can detect cardiopulmonary disease with higher accuracy, diagnose with more confidence, manage treatment effectively, and ultimately give their patients the best care possible. With over $165M in funding from partners like 3M and the Mayo Clinic, Eko has become one of the fastest growing digital health companies, doubling our customer base in the last year to over 500,000 clinicians across 4,000 U.S. hospitals. We’ve built a tremendously talented, diverse, and mission driven team and are proud to be certified as a Great Place to Work®. Together we are committed to investing in each other and our mission to ensure all patients have access to high quality care.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:
Eko was recognized by “Great Place to Work” in 2020 and 2021
Paid-time off
Medical/Dental/Vision, Disability + Life Insurance
Eko is elevating the way clinicians detect and monitor cardiac and respiratory disease by bringing together advanced sensors, patient and provider software, and AI-powered analysis. Its FDA cleared platform is used by tens of thousands of clinicians treating millions of patients around the world, in-person, and through telehealth. The company is headquartered in Emeryville, California and privately-held, with investments from ARTIS Ventures, NTT Venture Capital, DigiTx Ventures, Mayo Clinic, Sutter Health and others.
Eko is proud to be an equal opportunity employer and welcome people of different backgrounds, experiences, abilities and perspectives. We celebrate diversity and are committed to building a diverse and inclusive team.
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