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Sr. Software Engineer, Embedded (Qt)

Garden Grove, CA

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.

About the Role As a key member of Harbinger's embedded software team, you will be the driving force behind the driver's digital experience and the underlying operating system. Collaborating closely with hardware, design, and vehicle engineering teams, you will play a hands-on role in architecting custom Linux distributions using Yocto and building highly performant, hardware-accelerated user interfaces using Qt/QML for our vehicle clusters and center screens.

What You’ll Do

HMI & UI Architecture

  • Lead UI Development: Architect and write production-level C++ and Qt/QML code for the digital instrument cluster, center screen, and telematics displays.
  • Optimize Graphics: Ensure fluid, 60fps hardware-accelerated rendering on embedded target hardware, utilizing OpenGL/EGL and QtWayland.
  • Define HMI Requirements: Translate UX/UI designs into functional technical requirements, ensuring seamless integration between the graphical interface and vehicle state machines.

Embedded Linux & Yocto Development

  • Build the OS: Architect, build, and maintain custom embedded Linux distributions using the Yocto Project / OpenEmbedded.
  • Manage Recipes & BSPs: Write and maintain BitBake recipes, configure Board Support Packages (BSPs), and customize the Linux kernel and bootloaders (e.g., U-Boot) for Harbinger's specific EV hardware.
  • Enable IPC & Connectivity: Implement robust Inter-Process Communication (e.g., D-Bus, MQTT, SOME/IP) to bridge the Qt frontend with underlying vehicle networks and middleware.

Testing, Deployment & CI/CD

  • Automate Pipelines: Create and maintain robust CI/CD pipelines specifically tailored for heavy Yocto builds, Qt application testing, and automated software deployment.
  • Over-the-Air (OTA) Updates: Support the integration of secure OTA update mechanisms (e.g., RAUC, OSTree) into the Yocto build.
  • Ensure Quality: Develop comprehensive unit and integration tests using SIL (Software-in-the-Loop) and HIL (Hardware-in-the-Loop) environments.

System Diagnostics & Cross-Functional Support

  • Hardware/Software Debugging: Root-cause complex issues at the intersection of hardware and software using embedded debugging tools (GDB, JTAG, logic analyzers, oscilloscopes).
  • Develop Tooling: Support the creation of internal diagnostic tools used by manufacturing, service teams, and fleet management.

Who You Are

Core Technical Skills

  • Languages: Strong, production-level proficiency in modern C/C++ and Python.
  • Embedded Frameworks: Deep, hands-on expertise with Qt/QML (Qt 5 or Qt 6) and the Yocto Project (Bitbake, OpenEmbedded).
  • OS & Architecture: Strong understanding of Embedded Linux concepts, including user space vs. kernel space, device trees, root filesystems, and cross-compilation.
  • Automotive Protocols: Familiarity with CAN, LIN, and Automotive Ethernet, and interfacing them with embedded Linux (e.g., SocketCAN).
  • Version Control: Experience using Git-based version control systems in a collaborative environment.

Testing & Hardware Experience

  • Testing Environments: Experience developing test plans and implementing unit testing (e.g., Google Test, QtTest) within SIL and HIL setups.
  • Hardware Bring-up: Experience bringing up custom PCBAs and integrating displays (LVDS, MIPI-DSI, eDP) with embedded Linux boards.
  • Requirements Management: Experience with authoring tools such as Polarion, DOORS, Jama, or Visure.

 

Key Benefits & Perks:
  • Comprehensive Health, Dental & Vision (HDV) – 100% employee covered
  • Early-stage Stock Options
  • Robust Retirement Savings (401k, HSA, FSA)
  • Generous Paid Time Off (PTO) & Parental Leave
  • Annual Vacation Bonus
  • Wellness & Fertility Benefits
  • Cell Phone Stipend
  • Complimentary Meals & Stocked Kitchens

California Pay Range

$140,000 - $180,000 USD

Equal Opportunity
Harbinger is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.
 
Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at info@harbingermotors.com.
 
Candidate Data Privacy
Harbinger may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law.
 
Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.
 
Harbinger may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.
 
Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.

 

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