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Embedded Software Engineer, Wireless Technologies

Zoox· Software – Software Platforms and Product
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Hybrid (Foster City, CA)$220k - $265kFull-timePosted 1mo ago

About the role

Software Engineer on the Firmware team responsible for the TCU connectivity stack, integrating third‑party hardware with Zoox's autonomous vehicle platform, and developing robust host-side connectivity software for cellular edge cases, diagnostics, and telemetry. Focus on LTE/5G, Wi‑Fi, Bluetooth, and cross‑layer debugging to ensure low-latency, reliable connectivity for autonomous operations.

Responsibilities

  • Contribute to Zoox's firmware and cellular wireless connectivity stack (LTE/5G), developing and enhancing connectivity features across multiple generations of hardware.
  • Vendor Integration: Act as the primary technical expert working with cellular chipset vendors (e.g., Qualcomm) to integrate their proprietary firmware, SW stacks, and L1-L3 implementations into our custom embedded Linux platform.
  • Architecture Definition: Define, architect, and validate the critical software interfaces between the RF-baseband, the vendor's protocol stack (AP), and our host system, writing the host-side glue code (C/C++) needed for the Linux networking stack.
  • Prototyping: Prototype and evaluate next-generation wireless platforms for future Zoox products.
  • Telemetry and Analytics: Develop the telemetry and analytics platform enabling data collection, analysis, and visualization of data reported from the Zoox fleet.
  • Investigate and Solve: Investigate and root-cause issues reported by QA teams and customer feedback. Differentiate between host-side bugs and vendor firmware issues using deep knowledge of cellular protocols.
  • Quality and Automation: Support test automation frameworks, collaborate with QA, manufacturing, and other software teams, and drive continuous improvements and best practices within the broader organization.

Qualifications

  • More than 10+ years of experience in embedded linux systems and cellular/wireless stack software/firmware development.
  • B.S. or M.S. degree in Computer Engineering, Computer Science, Physics, Electrical Engineering, or equivalent experience.
  • Exceptional programming skills in C/C++, Linux OS, and Python/Shell scripting.
  • Deep architectural understanding of LTE/5G Protocol Stacks (NAS, PDCP, RRC, RLC, MAC, PHY) and 3GPP specifications.
  • Proven experience successfully integrating third-party cellular modems and proprietary stacks, with hands-on experience using Qualcomm ecosystems and cellular network analysis tools (e.g., QXDM, Shannon Tools, Wireshark).
  • Good understanding of Embedded Systems, OS concepts, computer architecture, data structures, and algorithms.
  • Hands-on experience in maintaining the Linux Applications, kernel code and embedded services, including experience porting and patching open-source packages within the Yocto Project environment.
  • Strong understanding of networking concepts (Ethernet, TCP/IP, IP routing design, VLANs, firewalls, and both IPv4 and IPv6 protocols).

Skills

Required:Embedded LinuxC/C++Python/Shell scriptingLTE/5G Protocol StacksVendor Integration (Qualcomm)

Benefits

  • paid time off (e.g. sick leave, vacation, bereavement)
  • unpaid time off
  • Zoox Stock Appreciation Rights
  • Amazon RSUs
  • health insurance
  • long-term care insurance
  • long-term and short-term disability insurance
  • life insurance
Last updated Oct 21, 2026. Interested? Apply on the company site.
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About Zoox

It's Not a Car | Zoox

Zoox is a purpose-built autonomous vehicle designed for riders, not drivers. Learn more about the Zoox robotaxi and the future of ride-hailing.

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