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Firmware Engineer

Redwood City, CA

Posted: 11/14/2022 Employment Type: Direct Hire Industry: Software Job Number: SH9207261010

Job Description

Job Summary:

· Develop, test, and document embedded ARM based ultrasound firmware application

· Interface and extend ThreadX RTOS logic to control embedded ARM micro-controller(s) using embedded C/C++ and Python

· Interface and control I2C, SPI, UART devices

· Interface and control wired and wireless power subsystem

· Interface and control real-time streaming across FPGA and USB

· Debug, test, verify, and validate per Medical Device Directives (IEC62304, IEC60601)

· Support, contribute, and comply with system-level Risk Management File


Job Responsibilities (but not limited to):

· Design, debug, verify and support complex ultrasound medical imaging centric system built around Micro-Controllers, Micro-Processors, and FPGAs

· Work with ARM or equivalent embedded multi-core microprocessor architectures

· Design, debug and productize firmware applications on real time operating systems using embedded C and Python

· Design low-level device drivers for I2C, SPI, UART devices, including temperature sensors, battery fuel-gauge/charger chip, LED driver, authentication chip, IMU, I/O expander, etc.

· Design wireless and wired battery and power management drivers

· Manage low-level USB 2.0./3.x transport drivers

· Design various Python scripts to test, configure, and control embedded devices

· Design software interface layer running on embedded device interfacing to both iOS and Android mobile devices over USB transport layer

· Work effectively as part of a cross functional organization, including manufacturing, quality, hardware, and software teams



Education/Experience Requirements:

· BS/MS in CS, CE, or EE

· 15+ years of relevant technical experience in embedded firmware/software applications

· Experience in FW/SW development, verification and QA for medical applications is a plus, not a requirement

· Must be proficient in embedded C, C++, and Python and have product-level software/firmware experience

· Familiarity and/or experience writing applications on Unix, Linux, Mac OS, Windows, iOS, and/or Android

· Must have experience with ARM or equivalent embedded multi-core microprocessor architectures, and analog and digital sensors

· Must have experience with complex, multi-core, multi-threaded low-level hardware control applications

· Previous experience in low-power, mobile devices firmware development

· Experience in design and development of products with ICs, FPGAs, GPU’s, programmable logic devices, microcontrollers and various interfaces such as USB, I2C, SPI, UART, etc.

· Experience in wireless communication, power management, and/or high-speed serial interface such as USB 3.0/PCIe is a plus

· Experience with high-level integration with iOS/Android app is a plus

· Ultrasound or Radar/LIDAR related imaging experience is a plus

· DevOps experience including Cloud-based CI/CD development/release/test cycle is a plus

· Must have excellent verbal/written communication skills

· Full-time on-site presence required for collaboration with cross-functional teams

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