Senior to Staff Firmware Engineer - Hardware Architecture

{
  "content_hash": "5ec076aa705181691cbaf06166ed95fdbb83cf001d1228536a2b6d7d808fe85d",
  "source_hash": "b69b4fea41195ba5ad59a9ec88e8a723112d98b6ff1ccf84351a5d51c850a19e",
  "last_changed_at": "2026-05-30T05:52:02.906Z",
  "active_status": "active"
}

{
  "language": "en",
  "location": {
    "raw": "San Carlos, CA, San Carlos, California, United States",
    "city": "San Carlos",
    "region": "CA",
    "country": "United States",
    "is_remote": false,
    "confidence": 0.8
  },
  "salary_max": null,
  "salary_min": null,
  "inferred_at": "2026-06-06T09:46:09.665Z",
  "launch_scope": {
    "reason": "recruitee_production_catalog",
    "included": true,
    "location": {
      "raw": "San Carlos, CA, San Carlos, California, United States",
      "city": "San Carlos",
      "region": "CA",
      "country": "United States",
      "is_remote": false,
      "confidence": 0.8
    },
    "countries": [
      "United States"
    ]
  },
  "remote_policy": null,
  "salary_period": null,
  "workplace_type": "on_site",
  "salary_currency": null
}

{}

{
  "id": 2514311,
  "city": "San Carlos",
  "guid": "ap6am",
  "slug": "senior-to-staff-firmware-engineer-hardware-architecture",
  "tags": [],
  "title": "Senior to Staff Firmware Engineer - Hardware Architecture",
  "hybrid": false,
  "remote": false,
  "salary": {
    "max": "250000",
    "min": "200000",
    "period": "year",
    "currency": "USD"
  },
  "status": "published",
  "country": "United States",
  "on_site": true,
  "close_at": null,
  "location": "San Carlos, California, United States",
  "position": 627,
  "highlight": null,
  "locations": [
    {
      "id": 236855,
      "city": "San Carlos",
      "name": "San Carlos, CA",
      "note": null,
      "state": "California",
      "street": null,
      "country": "United States",
      "state_code": "CA",
      "postal_code": null,
      "country_code": "US",
      "translations": {
        "en": {
          "city": "San Carlos",
          "name": "San Carlos, CA",
          "note": null,
          "street": null,
          "postal_code": null
        }
      }
    }
  ],
  "max_hours": null,
  "min_hours": null,
  "created_at": "2026-03-04 19:40:49 UTC",
  "department": "Software Engineering",
  "options_cv": "required",
  "state_code": "CA",
  "state_name": "California",
  "updated_at": "2026-04-17 22:33:09 UTC",
  "careers_url": "https://1x.recruitee.com/o/senior-to-staff-firmware-engineer-hardware-architecture",
  "cover_image": null,
  "description": "<p style=\"text-align:start;\"><strong><span style=\"color:#121317\">About 1X</span></strong></p><p style=\"text-align:start;\"><span style=\"color:#121317\">We’re an AI and robotics company based in San Carlos, California, on a mission to build a truly abundant society through general‑purpose robots capable of performing any kind of work autonomously.</span></p><p style=\"text-align:start;\"><span style=\"color:#121317\"><br>We believe that to truly understand the world and grow in intelligence, humanoid robots must live and learn alongside us. That’s why we’re focused on developing friendly home robots designed to integrate seamlessly into everyday life.<br></span></p><p style=\"text-align:start;\"><span style=\"color:#121317\">We’re looking for curious, driven, and passionate people who want to help shape the future of robotics and AI. If this mission excites you, we’d be thrilled to hear from you and explore how you might contribute to our journey.</span></p><p style=\"min-height: 1.7em;\"></p><p><strong><span style=\"color:#4F4749\">Role Overview</span></strong></p><p><span style=\"font-size:1.1em\">We are looking for a cross-functional Firmware or Embedded Engineer to develop and maintain</span><br><span style=\"font-size:1.1em\">low-level firmware that supports and enables system-level hardware architecture. In this role,</span><br><span style=\"font-size:1.1em\">you will focus on robust, maintainable, and well-structured embedded software that spans</span><br><span style=\"font-size:1.1em\">multiple hardware domains and directly informs architectural decisions.</span><br></p><p><span style=\"font-size:1.1em\">You will work closely with hardware architects, electrical engineers, systems engineers, and test</span><br><span style=\"font-size:1.1em\">engineers to ensure firmware reliably bridges hardware capabilities and higher-level system</span><br><span style=\"font-size:1.1em\">requirements across prototype and production platforms.</span><br></p><p><span style=\"font-size:1.1em\">The system is a humanoid robot with 20+ distributed embedded nodes that must communicate</span><br><span style=\"font-size:1.1em\">deterministically, fail safely, and operate continuously in uncontrolled environments. This is a</span><br><span style=\"font-size:1.1em\">new product category. Established playbooks from adjacent industries are useful starting points,</span><br><span style=\"font-size:1.1em\">but many of the problems you will encounter do not have known solutions. The ideal candidate</span><br><span style=\"font-size:1.1em\">reasons from first principles, works comfortably at the boundary between firmware and</span><br><span style=\"font-size:1.1em\">hardware, and is energized rather than frustrated by problems that require novel approaches.</span><br></p><p><strong><span style=\"color:#121317\">Responsibilities</span></strong><span style=\"color:#121317\"><br></span></p><ul><li><p><span style=\"color:#121317\">Develop and maintain firmware for the deterministic communication bus connecting 20+<br>embedded nodes to a central controller, including cyclic data exchange, distributed clock<br>synchronization, and protocol state management</span></p></li><li><p><span style=\"color:#121317\">Design real-time data interfaces and acyclic communication channels for device<br>configuration, parameterization, and runtime diagnostics</span></p></li><li><p><span style=\"color:#121317\">Architect safety communication firmware that delivers safe shutdown commands within<br>deterministic time bounds, using black channel principles (independent CRC, watchdog,<br>sequence validation) over untrusted transport</span></p></li><li><p><span style=\"color:#121317\">Responsible for the testing, validation, and verification of initial firmware releases to<br>ensure functionality, reliability, and performance requirements are met</span></p></li><li><p><span style=\"color:#121317\">Integrate network-based safety functions with hardware mechanisms including external<br>watchdogs, gate driver enables, and hardwired safe-state paths</span></p></li><li><p><span style=\"color:#121317\">Collaborate with hardware architects to define interfaces, requirements, and trade-offs;<br>support bring-up, integration, and debugging of new platforms</span></p></li><li><p><span style=\"color:#121317\">Implement drivers and hardware abstraction layers for embedded bus interface </span></p></li><li><p><span style=\"color:#121317\">(CAN,CANopen, SPI, I²C, UART) used for communication with battery management, sensors,<br>and peripheral ICs.</span></p></li><li><p><span style=\"color:#121317\">Design secure bootloader architecture with cryptographic signing and validated rollback<br>for firmware updates delivered over the communication bus</span></p></li><li><p><span style=\"color:#121317\">Develop diagnostic and telemetry infrastructure: logging, error counters, communication<br>statistics, and DFT hooks for production end-of-line validation</span></p></li><li><p><span style=\"color:#121317\">Evaluate network topology and redundancy strategies for production, considering failure<br>domain isolation and physical routing constraints within a mobile form factor</span></p></li><li><p><span style=\"color:#121317\">Document firmware architecture, interfaces, and assumptions; improve code structure,<br>readability, and maintainability<br></span></p></li></ul>",
  "postal_code": null,
  "company_name": "1X Technologies AS",
  "country_code": "US",
  "published_at": "2026-03-04 20:07:02 UTC",
  "requirements": "<p style=\"min-height: 1.7em;\"></p><ul><li><p><span style=\"color:#121317\">Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or a<br>related field</span></p></li></ul><ul><li><p><span style=\"color:#121317\">7+ years of industry experience with embedded systems and real-time firmware<br>development</span></p></li><li><p><span style=\"color:#121317\">Proficiency in C and C++ for embedded targets</span></p></li><li><p><span style=\"color:#121317\">Deterministic communication experience production-level work implementing,<br>debugging, or substantially modifying a real-time communication stack on embedded<br>hardware. The candidate should understand at a fundamental level how cyclic data<br>exchange, clock synchronization, and protocol state machines work, regardless of which<br>specific protocol was used.</span></p></li><li><p><span style=\"color:#121317\">Real-time embedded firmware in bare-metal or minimal-RTOS environments, with<br>direct management of interrupt priorities, DMA transfers, shared-memory coherency,<br>and timing-critical ISR execution</span></p></li><li><p><span style=\"color:#121317\">Embedded bus fluency hands-on experience with CAN/CANopen plus additional<br>embedded interfaces (SPI, I²C, UART, RS-485), demonstrating breadth across<br>communication domains</span></p></li><li><p><span style=\"color:#121317\">Hardware debug at the firmware boundary experience using oscilloscopes, logic<br>analyzers, and packet capture tools to diagnose problems that span firmware behavior<br>and electrical signaling</span></p></li><li><p><span style=\"color:#121317\">Schematic literacy ability to read transceiver circuits, PHY interfaces, signal-level<br>translation, and power sequencing without requiring hardware engineering interpretation</span></p></li><li><p><span style=\"color:#121317\">Firmware update  bootloader experience — design or maintenance of a production<br>firmware update mechanism with integrity verification and rollback capability</span></p></li><li><p><span style=\"color:#121317\">Comfortable debugging firmware on real hardware using standard lab tools</span></p></li><li><p><span style=\"color:#121317\">Ability to collaborate closely across hardware, systems, and software teams</span></p></li></ul><p style=\"min-height: 1.7em;\"></p><p><strong><span style=\"color:#121317\">Preferred Qualifications</span></strong></p><ul><li><p><span style=\"color:#121317\">First-principles problem solving a track record of approaching unfamiliar problems<br>by building understanding from fundamentals rather than relying solely on vendor<br>documentation or established patterns. Many problems in this role do not have reference<br>implementations.</span></p></li><li><p><span style=\"color:#121317\">Safety-critical or fault-tolerant firmware experience developing firmware where<br>failure has physical consequences, in automotive, aerospace, medical, industrial, or<br>defense applications. Familiarity with safety integrity concepts (SIL, ASIL, DAL) and<br>standards such as IEC 61508, ISO 26262, or DO-178C.</span></p></li><li><p><span style=\"color:#121317\">Safety-over-network protocols — implementation of any protocol that carries safety<br>commands over a communication bus using black channel principles</span></p></li><li><p><span style=\"color:#121317\">Autonomous or mobile robotic systems communication architectures in systems<br>that move, where cabling is subject to mechanical stress and network topology must<br>account for physical constraints</span></p></li><li><p><span style=\"color:#121317\">Multi-node distributed systems coordinating firmware behavior across many<br>embedded nodes (10+) sharing a common bus, including enumeration, synchronization,<br>and fault isolation</span></p></li><li><p><span style=\"color:#121317\">Experience contributing to hardware architecture or system-level design decisions</span></p></li><li><p><span style=\"color:#121317\">Familiarity with real-time operating systems (FreeRTOS, SafeRTOS, or similar)</span></p></li><li><p><span style=\"color:#121317\">Experience supporting hardware through prototype and production phases</span></p></li><li><p><span style=\"color:#121317\">Background in robotics or complex electromechanical systems</span></p></li></ul><p style=\"min-height: 1.7em;\"></p><p style=\"min-height: 1.7em;\"></p><p style=\"text-align:start;\"><strong><span style=\"color:#121317\">Benefits &amp; Compensation</span></strong></p><ul><li><p><span style=\"color:#121317\">Salary Range: $200,000 - $250,000 + Equity </span></p></li></ul><ul><li><p><span style=\"color:#121317\">Health, dental, and vision insurance</span></p></li><li><p><span style=\"color:#121317\">401(k) with company match</span></p></li><li><p><span style=\"color:#121317\">Paid time off and holidays</span></p></li></ul><p style=\"text-align:start;min-height: 1.7em;\"></p><p style=\"text-align:start;\"><strong><span style=\"color:#121317\">Equal Opportunity Employer</span></strong></p><p style=\"text-align:start;\"><span style=\"color:#121317\">1X is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, ancestry, citizenship, age, marital status, medical condition, genetic information, disability, military or veteran status, or any other characteristic protected under applicable federal, state, or local law.</span></p><p style=\"min-height: 1.7em;\"></p>",
  "translations": {
    "en": {
      "title": "Senior to Staff Firmware Engineer - Hardware Architecture",
      "highlight": null,
      "description": "<p style=\"text-align:start;\"><strong><span style=\"color:#121317\">About 1X</span></strong></p><p style=\"text-align:start;\"><span style=\"color:#121317\">We’re an AI and robotics company based in San Carlos, California, on a mission to build a truly abundant society through general‑purpose robots capable of performing any kind of work autonomously.</span></p><p style=\"text-align:start;\"><span style=\"color:#121317\"><br>We believe that to truly understand the world and grow in intelligence, humanoid robots must live and learn alongside us. That’s why we’re focused on developing friendly home robots designed to integrate seamlessly into everyday life.<br></span></p><p style=\"text-align:start;\"><span style=\"color:#121317\">We’re looking for curious, driven, and passionate people who want to help shape the future of robotics and AI. If this mission excites you, we’d be thrilled to hear from you and explore how you might contribute to our journey.</span></p><p style=\"min-height: 1.7em;\"></p><p><strong><span style=\"color:#4F4749\">Role Overview</span></strong></p><p><span style=\"font-size:1.1em\">We are looking for a cross-functional Firmware or Embedded Engineer to develop and maintain</span><br><span style=\"font-size:1.1em\">low-level firmware that supports and enables system-level hardware architecture. In this role,</span><br><span style=\"font-size:1.1em\">you will focus on robust, maintainable, and well-structured embedded software that spans</span><br><span style=\"font-size:1.1em\">multiple hardware domains and directly informs architectural decisions.</span><br></p><p><span style=\"font-size:1.1em\">You will work closely with hardware architects, electrical engineers, systems engineers, and test</span><br><span style=\"font-size:1.1em\">engineers to ensure firmware reliably bridges hardware capabilities and higher-level system</span><br><span style=\"font-size:1.1em\">requirements across prototype and production platforms.</span><br></p><p><span style=\"font-size:1.1em\">The system is a humanoid robot with 20+ distributed embedded nodes that must communicate</span><br><span style=\"font-size:1.1em\">deterministically, fail safely, and operate continuously in uncontrolled environments. This is a</span><br><span style=\"font-size:1.1em\">new product category. Established playbooks from adjacent industries are useful starting points,</span><br><span style=\"font-size:1.1em\">but many of the problems you will encounter do not have known solutions. The ideal candidate</span><br><span style=\"font-size:1.1em\">reasons from first principles, works comfortably at the boundary between firmware and</span><br><span style=\"font-size:1.1em\">hardware, and is energized rather than frustrated by problems that require novel approaches.</span><br></p><p><strong><span style=\"color:#121317\">Responsibilities</span></strong><span style=\"color:#121317\"><br></span></p><ul><li><p><span style=\"color:#121317\">Develop and maintain firmware for the deterministic communication bus connecting 20+<br>embedded nodes to a central controller, including cyclic data exchange, distributed clock<br>synchronization, and protocol state management</span></p></li><li><p><span style=\"color:#121317\">Design real-time data interfaces and acyclic communication channels for device<br>configuration, parameterization, and runtime diagnostics</span></p></li><li><p><span style=\"color:#121317\">Architect safety communication firmware that delivers safe shutdown commands within<br>deterministic time bounds, using black channel principles (independent CRC, watchdog,<br>sequence validation) over untrusted transport</span></p></li><li><p><span style=\"color:#121317\">Responsible for the testing, validation, and verification of initial firmware releases to<br>ensure functionality, reliability, and performance requirements are met</span></p></li><li><p><span style=\"color:#121317\">Integrate network-based safety functions with hardware mechanisms including external<br>watchdogs, gate driver enables, and hardwired safe-state paths</span></p></li><li><p><span style=\"color:#121317\">Collaborate with hardware architects to define interfaces, requirements, and trade-offs;<br>support bring-up, integration, and debugging of new platforms</span></p></li><li><p><span style=\"color:#121317\">Implement drivers and hardware abstraction layers for embedded bus interface </span></p></li><li><p><span style=\"color:#121317\">(CAN,CANopen, SPI, I²C, UART) used for communication with battery management, sensors,<br>and peripheral ICs.</span></p></li><li><p><span style=\"color:#121317\">Design secure bootloader architecture with cryptographic signing and validated rollback<br>for firmware updates delivered over the communication bus</span></p></li><li><p><span style=\"color:#121317\">Develop diagnostic and telemetry infrastructure: logging, error counters, communication<br>statistics, and DFT hooks for production end-of-line validation</span></p></li><li><p><span style=\"color:#121317\">Evaluate network topology and redundancy strategies for production, considering failure<br>domain isolation and physical routing constraints within a mobile form factor</span></p></li><li><p><span style=\"color:#121317\">Document firmware architecture, interfaces, and assumptions; improve code structure,<br>readability, and maintainability<br></span></p></li></ul>",
      "requirements": "<p style=\"min-height: 1.7em;\"></p><ul><li><p><span style=\"color:#121317\">Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or a<br>related field</span></p></li></ul><ul><li><p><span style=\"color:#121317\">7+ years of industry experience with embedded systems and real-time firmware<br>development</span></p></li><li><p><span style=\"color:#121317\">Proficiency in C and C++ for embedded targets</span></p></li><li><p><span style=\"color:#121317\">Deterministic communication experience production-level work implementing,<br>debugging, or substantially modifying a real-time communication stack on embedded<br>hardware. The candidate should understand at a fundamental level how cyclic data<br>exchange, clock synchronization, and protocol state machines work, regardless of which<br>specific protocol was used.</span></p></li><li><p><span style=\"color:#121317\">Real-time embedded firmware in bare-metal or minimal-RTOS environments, with<br>direct management of interrupt priorities, DMA transfers, shared-memory coherency,<br>and timing-critical ISR execution</span></p></li><li><p><span style=\"color:#121317\">Embedded bus fluency hands-on experience with CAN/CANopen plus additional<br>embedded interfaces (SPI, I²C, UART, RS-485), demonstrating breadth across<br>communication domains</span></p></li><li><p><span style=\"color:#121317\">Hardware debug at the firmware boundary experience using oscilloscopes, logic<br>analyzers, and packet capture tools to diagnose problems that span firmware behavior<br>and electrical signaling</span></p></li><li><p><span style=\"color:#121317\">Schematic literacy ability to read transceiver circuits, PHY interfaces, signal-level<br>translation, and power sequencing without requiring hardware engineering interpretation</span></p></li><li><p><span style=\"color:#121317\">Firmware update  bootloader experience — design or maintenance of a production<br>firmware update mechanism with integrity verification and rollback capability</span></p></li><li><p><span style=\"color:#121317\">Comfortable debugging firmware on real hardware using standard lab tools</span></p></li><li><p><span style=\"color:#121317\">Ability to collaborate closely across hardware, systems, and software teams</span></p></li></ul><p style=\"min-height: 1.7em;\"></p><p><strong><span style=\"color:#121317\">Preferred Qualifications</span></strong></p><ul><li><p><span style=\"color:#121317\">First-principles problem solving a track record of approaching unfamiliar problems<br>by building understanding from fundamentals rather than relying solely on vendor<br>documentation or established patterns. Many problems in this role do not have reference<br>implementations.</span></p></li><li><p><span style=\"color:#121317\">Safety-critical or fault-tolerant firmware experience developing firmware where<br>failure has physical consequences, in automotive, aerospace, medical, industrial, or<br>defense applications. Familiarity with safety integrity concepts (SIL, ASIL, DAL) and<br>standards such as IEC 61508, ISO 26262, or DO-178C.</span></p></li><li><p><span style=\"color:#121317\">Safety-over-network protocols — implementation of any protocol that carries safety<br>commands over a communication bus using black channel principles</span></p></li><li><p><span style=\"color:#121317\">Autonomous or mobile robotic systems communication architectures in systems<br>that move, where cabling is subject to mechanical stress and network topology must<br>account for physical constraints</span></p></li><li><p><span style=\"color:#121317\">Multi-node distributed systems coordinating firmware behavior across many<br>embedded nodes (10+) sharing a common bus, including enumeration, synchronization,<br>and fault isolation</span></p></li><li><p><span style=\"color:#121317\">Experience contributing to hardware architecture or system-level design decisions</span></p></li><li><p><span style=\"color:#121317\">Familiarity with real-time operating systems (FreeRTOS, SafeRTOS, or similar)</span></p></li><li><p><span style=\"color:#121317\">Experience supporting hardware through prototype and production phases</span></p></li><li><p><span style=\"color:#121317\">Background in robotics or complex electromechanical systems</span></p></li></ul><p style=\"min-height: 1.7em;\"></p><p style=\"min-height: 1.7em;\"></p><p style=\"text-align:start;\"><strong><span style=\"color:#121317\">Benefits &amp; Compensation</span></strong></p><ul><li><p><span style=\"color:#121317\">Salary Range: $200,000 - $250,000 + Equity </span></p></li></ul><ul><li><p><span style=\"color:#121317\">Health, dental, and vision insurance</span></p></li><li><p><span style=\"color:#121317\">401(k) with company match</span></p></li><li><p><span style=\"color:#121317\">Paid time off and holidays</span></p></li></ul><p style=\"text-align:start;min-height: 1.7em;\"></p><p style=\"text-align:start;\"><strong><span style=\"color:#121317\">Equal Opportunity Employer</span></strong></p><p style=\"text-align:start;\"><span style=\"color:#121317\">1X is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, ancestry, citizenship, age, marital status, medical condition, genetic information, disability, military or veteran status, or any other characteristic protected under applicable federal, state, or local law.</span></p><p style=\"min-height: 1.7em;\"></p>",
      "sharing_image": null,
      "sharing_title": "Senior to Staff Firmware Engineer - Hardware Architecture",
      "locations_question": "What is your preferred work location?",
      "sharing_description": "About 1XWe’re an AI and robotics company based in San Carlos, California, on a mission to build a truly abundant society through general‑purpose robots capable of performing any kind of work autonomou"
    }
  },
  "category_code": "engineering",
  "mailbox_email": "[email protected]",
  "options_phone": "required",
  "options_photo": "off",
  "options_title": "off",
  "sharing_image": null,
  "sharing_title": "Senior to Staff Firmware Engineer - Hardware Architecture",
  "dynamic_fields": [],
  "education_code": "bachelor_degree",
  "open_questions": [
    {
      "id": 3782217,
      "body": "Are you open to relocation?",
      "kind": "boolean",
      "options": {},
      "position": 1,
      "required": true,
      "translations": {
        "en": {
          "body": "Are you open to relocation?"
        }
      },
      "open_question_options": []
    },
    {
      "id": 3782218,
      "body": "Are you able to work in the office Monday through Friday?",
      "kind": "boolean",
      "options": {},
      "position": 2,
      "required": true,
      "translations": {
        "en": {
          "body": "Are you able to work in the office Monday through Friday?"
        }
      },
      "open_question_options": []
    },
    {
      "id": 3782219,
      "body": "Will you require visa sponsorship? ",
      "kind": "boolean",
      "options": {},
      "position": 3,
      "required": true,
      "translations": {
        "en": {
          "body": "Will you require visa sponsorship? "
        }
      },
      "open_question_options": []
    },
    {
      "id": 3782220,
      "body": "What are your salary expectations?",
      "kind": "salary",
      "options": {
        "currency": "USD"
      },
      "position": 4,
      "required": true,
      "translations": {
        "en": {
          "body": "What are your salary expectations?"
        }
      },
      "open_question_options": []
    }
  ],
  "experience_code": "experienced",
  "careers_apply_url": "https://1x.recruitee.com/o/senior-to-staff-firmware-engineer-hardware-architecture/c/new",
  "locations_question": "What is your preferred work location?",
  "max_hours_per_week": null,
  "min_hours_per_week": null,
  "options_salutation": "off",
  "sharing_description": "About 1XWe’re an AI and robotics company based in San Carlos, California, on a mission to build a truly abundant society through general‑purpose robots capable of performing any kind of work autonomou",
  "employment_type_code": "fulltime_permanent",
  "options_cover_letter": "optional",
  "locations_question_type": "multiple_choice",
  "location_question_visible": false,
  "locations_question_required": true
}