Senior Embedded Software Engineer
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.
About the job
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.
Skills
C++, Embedded Linux, Yocto, Bitbake, Systemd, Linux Kernel, Op-Tee, Secure Boot, Bluetooth, Wi-Fi
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