Firmware Engineer

• Design, develop, and maintain Embedded firmware for low-power wireless devices using C/C+ and FreeRTOS
• Develop and optimize device drivers and board-support code for I²C, SPI, UART, ADC, DAC, sensors, displays, external memory, and wireless radios
• Build reliable connectivity features using LoRaWAN, BLE, Wi-Fi, cellular, and NFC
• Develop Wi-Fi provisioning, roaming, station and access-point functionality, and power-aware duty cycling
• Implement secure bootloaders and over-the-air update workflows with diagnostics, logging, and fail-safe rollback
• Collaborate with hardware, cloud, and mobile teams to deliver features from concept through deployment
• Participate in code reviews and continuous-integration activities
• Support board bring-up, design verification testing, manufacturing test scripts, calibration workflows, and field reliability
• Profile battery life, performance, and RF behavior while developing telemetry for real-world product observability

• Bachelor’s degree
• At least 4 years of professional Embedded firmware development experience
• Strong programming skills in C and C+
• Experience working with Git-based development workflows
• Hands-on experience with Embedded toolchains, HAL/LL libraries, SWD/GDB, and debugging tools such as J-Link or OpenOCD
• Experience with at least two of the following communication technologies:
• LoRaWAN
• Wi-Fi
• Bluetooth Low Energy
• NFC
• Cellular
• Ability to use oscilloscopes and logic analyzers
• Ability to read schematics and component datasheets
• Clear communication, practical problem-solving skills, and strong product instincts

Preferred Qualifications

• Experience with ESP32 or STM32 microcontrollers
• Knowledge of FreeRTOS tasks, queues, and timers
• Experience with lwIP, mbedTLS, secure boot, or Flash encryption
• Familiarity with LoRaWAN regions and MAC behavior, BLE pairing and bonding, or Wi-Fi captive-portal provisioning
• Experience developing factory-test automation or Python-based tools and fixtures
• Experience modeling and optimizing power consumption for battery-operated products
• Familiarity with e-paper or LCD user interfaces on resource-constrained microcontrollers, including LVGL
• Experience with OTA services, device telemetry, or fleet-management platforms
• Familiarity with quality and compliance environments in healthcare or life sciences, including audit-friendly logging and reporting