Senior Embedded Systems Engineer

Senior Embedded Systems Engineer, Medical DevicesSan Diego, CA (onsite/hybrid) | Full-timeMake your application after reading the following skill and qualification requirements for this position.About the roleA growing medical device company is hiring a Senior Embedded Systems Engineer to own firmware for its next-generation device platform. You'll develop mainly in embedded C on STM32-based hardware, working across real-time control, device drivers, BLE connectivity, bootloader and firmware update infrastructure, and CI/CD. You'll collaborate with hardware, systems, quality, and product teams to take the platform from prototype through verification and into production.What you'll doDesign, implement, debug, and maintain production-quality embedded firmware, mainly in CWrite drivers for sensors, pumps, fans, chillers, communication modules, audio, displays, and other peripheralsImplement real-time control for temperature and fluid-management subsystemsConfigure and troubleshoot MCU peripherals (GPIO, ADC, timers, PWM, UART, SPI, I²C, DMA, interrupts)Integrate the embedded graphical interface (TouchGFX, C++) and BLE connectivityContribute to bootloader, secure and over-the-air firmware updates, image signing, and production programmingDiagnose system-level issues with debuggers, oscilloscopes, and logic analyzersMaintain automated build, test, static analysis, code coverage, and release processesWrite unit tests and verification procedures, along with clear design and troubleshooting documentationTake part in design reviews, code reviews, and technical planningRequirementsBS in Electrical Engineering, Computer Engineering, Computer Science, or a related field, or equivalent experienceStrong professional experience developing embedded software in CSolid embedded fundamentals: memory management, interrupts, timing, state machines, and hardware/software interfacesExperience bringing up, debugging, and integrating firmware on physical hardwareComfortable reading schematics, datasheets, and hardware interface specsFamiliarity with SPI, I²C, UART, and BLEProficiency with Git (branches, pull requests, code review, merging)Able to work independently, make sound technical decisions, and communicate tradeoffs clearlyRTOS experience (FreeRTOS, xhyhwjd CMSIS-RTOS) preferredEmbedded C++ UI development, ideally TouchGFX, preferredCI/CD for embedded firmware (CMake, Make, Docker) and automated C unit testing (Ceedling, Unity, CMock) preferredBootloaders, secure boot, signed firmware, or over-the-air updates a plusSTM32 ecosystem experience (CubeMX, HAL, CMSIS) a plus, and STM32N6 a big plusRegulated medical device software experience (design controls, risk management, cybersecurity) a plusThermal-control, fluid-control, battery-powered, or electromechanical systems a plusWhy this roleBecome a key technical owner of the embedded platform and help shape its architecture and development practicesTake a medical device from prototype to production