Develops embedded Linux firmware, kernel modules, and security features like secure boot for sleep fitness hardware products. Requires 5+ years in firmware with C/C++ and deep Embedded Linux expertise; onsite in San Francisco office.
160k – 200k
On-site5+ YOEEmbedded Engineering
About the role
What You'll Help Build
Embedded Linux Development: Design, develop, and maintain system software, including systemd applications, kernel modules, and low-level firmware for the Pod.
Platform Security Engineering: Own security for our embedded Linux platform across boot, OS, and runtime services.
Secure Boot and Chain of Trust: Implement and maintain secure boot end-to-end, including signing, key management/provisioning, and anti-rollback/versioning.
Security and Trust: Build and operate device trust primitives and drive security best practices across the fleet.
Manufacturing and Deployment: Partner with global teams, including manufacturing teams in China, to develop production tests and ensure high-quality product launches.
Craftsmanship and Attention to Detail: Strive for excellence in software design, reliability, and maintainability, ensuring robust and well-documented implementations.
What You'll Need to Succeed
5+ years of experience in firmware and system software development with C/C++.
Deep expertise in Embedded Linux, including Yocto, Bitbake, systemd, and kernel development.
Proficiency in secure software development for IoT and embedded systems.
Experience optimizing compute workloads in resource-constrained environments.
Willingness and ability to travel internationally as needed to support manufacturing and deployment.
Preferred Experience
Experience implementing secure boot on embedded Linux devices, including signing, key management/provisioning, and anti-rollback.
Hands-on experience with OP-TEE / Trusted Execution Environments, including building and deploying Trusted Applications and integrating secure services with Linux.
Expertise in wireless communication standards (Bluetooth, Wi-Fi, etc).
Strong problem-solving skills with a fast-paced and iterative development approach.
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