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Sesame Logo Sesame · IT - Software Development

Embedded OS Architect

United States, San Francisco 190000.00 - 320000.00 USD / Year · Job Posted February 20, 2026
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Job Description

A device intended for a new kind of human-machine interface requires a new kind of operating system. As an Embedded OS Architect, you will be critical in designing and developing the next-generation operating system for Sesame’s AI-driven computing platform. You will lead architectural decisions, optimize system performance, and ensure seamless integration of hardware and software. Your expertise in building operating systems will help define the foundation for a new class of intelligent, responsive, and real-time computing experiences.

Job Responsibility

  • Architect and develop a custom embedded operating system optimized for AI-driven, real-time consumer applications
  • Design and implement core OS components, including kernel, device drivers, memory management, process scheduling, and inter-process communication
  • Optimize system performance, power efficiency, and real-time responsiveness
  • Work closely with hardware teams to ensure seamless integration with custom silicon and peripherals
  • Define and enforce security, reliability, and scalability best practices within the OS stack
  • Drive OS bring-up on new hardware platforms, debugging low-level system issues
  • Evaluate and integrate open-source or proprietary OS components where applicable
  • Collaborate with application developers to ensure smooth and efficient interaction between the OS and higher-level software stacks

Requirements

  • 10+ years of experience in operating system development, with contributions to major OS projects (Linux, QNX, RTOS, AOSP, etc.)
  • Deep expertise in kernel development, scheduling, memory management, and low-level systems programming
  • Strong proficiency in C/C++ and assembly programming for embedded architectures
  • Experience with hardware-software co-design, including bootloaders, BSP development, and device drivers
  • Hands-on experience with debugging tools such as JTAG, GDB, and logic analyzers
  • Strong understanding of security, sandboxing, and OS hardening techniques

Nice to have

  • Experience architecting OS platforms for AI, AR/VR, or edge computing applications
  • Familiarity with modern AI workloads and optimizing OS-level interactions for machine learning
  • Knowledge of distributed or microkernel-based OS architectures
  • Prior experience with power management and performance tuning for embedded systems
  • Contributions to open-source operating system projects

What we offer

  • 401k matching
  • 100% employer-paid health, vision, and dental benefits
  • Unlimited PTO and sick time
  • Flexible spending account matching (medical FSA)
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