Senior Firmware Engineer – Embedded & Real-Time Systems

Insight Global; Sunnyvale (CA); On-site; USD 90,000 - 96,000; Full time

Job summary

Insight Global is seeking a Firmware Engineer to join the Reality Labs organization in Sunnyvale, CA. You will design, develop, and validate embedded firmware for next-generation devices, collaborating across hardware and software teams to meet system requirements and deliver robust, scalable solutions.

Ideal candidates bring strong C/C++ skills, hands-on MCU experience (Nordic/STM32), RTOS (Zephyr) familiarity, and solid understanding of peripherals and debugging in production environments.

Qualifications

• Bachelor's degree in Electrical Engineering, Computer Engineering, or related field.
• Experience with MCUs (Nordic preferred) and STM32.
• Proficiency in C/C++ programming.
• Experience with peripherals (USB, SPI, MIPI CSI/DSI, I2C, UART, GPIO).
• Proven production-quality, fail-safe firmware for low-power real-time systems.
• Knowledge of ARM Cortex M0/M3/M4 architecture, boot mechanisms, and interrupt priorities.
• Skills in low-level debugging and driver development.
• Experience with consumer electronics.
• Familiarity with embedded systems development tools and environments.
• Strong problem-solving, communication, and teamwork skills.
• Knowledge of RTOS or Zephyr; wireless protocols (Bluetooth, Zigbee).
• Understanding of hardware design and schematics.

Responsibilities

• Design, develop, and maintain embedded systems and firmware.
• Collaborate with cross-functional teams to define system requirements and specifications.
• Perform debugging, testing, and validation of embedded systems.
• Develop and maintain documentation for system designs and implementations.

Skills

C/C++

ARM Cortex MCUs

Embedded systems

Low-level debugging

USB/SPI/UART

RTOS/Zephyr

Bluetooth/Zigbee

Driver development

Hardware knowledge

Team collaboration

Education

Bachelor's degree in Electrical/Computer Engineering

Tools

Nordic MCUs

STM32 MCUs

Job description

Insight Global is seeking a Firmware Engineer to join the Reality Labs organization in Sunnyvale, CA. You will design, develop, and validate embedded firmware for next-generation devices, collaborating across hardware and software teams to meet system requirements and deliver robust, scalable solutions.

Ideal candidates bring strong C/C++ skills, hands-on MCU experience (Nordic/STM32), RTOS (Zephyr) familiarity, and solid understanding of peripherals and debugging in production environments.