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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.

160k – 200kSan Francisco, CAEmbedded EngineeringOnsite5+ YOE

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.

Skills

C++Embedded LinuxYoctoBitbakeSystemdLinux KernelOp-TeeSecure BootBluetoothWi-Fi

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