Senior Firmware Engineer II

About Life360

Life360’s mission is to keep people close to the ones they love. Our category-leading mobile app and Tile tracking devices empower members to protect the people, pets, and things they care about most with a range of services, including location sharing, safe driver reports, and crash detection with emergency dispatch. Life360 serves approximately 77 million monthly active users (MAU), as of November 2024, across more than 170 countries. 

Life360 delivers peace of mind and enhances everyday family life with seamless coordination for all the moments that matter, big and small. By continuing to innovate and deliver for our customers, we have become a household name and the must-have mobile-based membership for families (and those friends that basically are family). 

Life360 has more than 500 (and growing!) remote-first employees. For more information, please visit life360.com.

Life360 is a Remote First company, which means a remote work environment will be the primary experience for all employees. All positions, unless otherwise specified, can be performed remotely (within the US) regardless of any specified location above. 

About The Team

At Life360, our Firmware Team is integral to our mission of connecting families through our Tile and Jiobit location tracker products. We handle the full lifecycle of firmware from design to support, focusing on scalable and secure solutions that integrate seamlessly with mobile and cloud technologies. We pride ourselves on a culture that supports growth, learning, and high-impact contributions.

Joining our team means contributing to products that significantly improve the safety and connectivity of millions worldwide, aligning with Life360’s mission to keep people close to the ones they love.

About the Job

We are seeking a highly skilled and experienced Senior Firmware Engineer II to join our dynamic engineering team. This role will focus on the development and enhancement of firmware for our Tile and Jiobit products. The ideal candidate will have a strong background in wireless embedded systems, a passion for technology, and a commitment to creating reliable and efficient firmware solutions. As a self-starter with excellent interpersonal skills, you will thrive in a collaborative environment and contribute positively to team dynamics.

The US-based salary range for this position is $116,375 - $206,000. We take into consideration an individual's background and experience in determining final salary- therefore, base pay offered may vary considerably depending on geographic location, job-related knowledge, skills, and experience. The compensation package includes a wide range of medical, dental, vision, financial, and other benefits, as well as equity.

What You’ll Do

• Design, develop, and maintain firmware for Life360’s Tile and Jiobit products.
• Collaborate with cross-functional teams, including hardware engineers, product managers, and software developers, to define product requirements and specifications.
• Implement firmware in C for real-time operating systems and bare-metal environments.
• Optimize firmware for performance, power consumption, and reliability.
• Conduct thorough testing and debugging to ensure high-quality firmware releases.
• Bring-up new hardware, ensuring PCBAs are robust and ready for production.
• Utilize Python scripting to automate tasks and enhance testing procedures.
• Document design choices and maintain firmware documentation.
• Stay updated with the latest trends and technologies in firmware development and suggest improvements to existing products.
• Mentor junior engineers and contribute to the team’s knowledge-sharing efforts.

What We’re Looking For

• Bachelor’s degree in Electrical Engineering, Computer Science, or a related field.
• 5+ years of experience in firmware development for consumer electronics or related products.
• Proficient in C/C++ programming for embedded systems.
• Experience with RTOS (zephyr, FreeRTOS) and implementing in a multithreaded environment
• Bare metal experience (with some understanding of the MCU register set) with at least one embedded microcontroller, preferably cortex-M architecture (eg Nordic nRF, STM32)
• Experience with at least one of the following wireless communication standards in embedded devices (Bluetooth, Wi-Fi, Cellular, UWB)  
• Expertise in interfacing with and programming for SPI, I2C, and UART communication protocols
• Hands-on experience with IoT sensors and peripherals, understanding their integration and functionality within embedded systems.
• Strong understanding of hardware-software integration and debugging techniques.
• Professional expertise in using version c