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Software Integration Engineer, ADAS

Harbinger Motors

Job Location:

Garden Grove, CA - USA

Monthly Salary: $ 120000 - 180000

Posted: 3 July 2026 (30+ days ago)

Application Deadline: 30 September 2026

Vacancies: 1 Vacancy

Job Summary

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbingers 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 Us

Role Overview

The Software Integration Engineer will serve as our internal technical lead for ADAS firmware. You will ensure the integrity of software components and interfaces while collaborating with our external firmware partners (HL Clemonts/HL Mando). A primary focus of this role is system performance specifically CPU and memory profiling to measure and optimize stack performance.

Key Responsibilities

Oversee and maintain software components and interfaces for ADAS firmware.
Conduct detailed CPU and memory profiling to monitor stack performance.
Act as the key integration contact for external firmware partners ensuring high-quality deliverables.
Lead integration projects end-to-end with a high degree of autonomy and minimal supervision.
Integrate and validate ADAS software components across ECUs sensors and vehicle platforms.
Bring up and troubleshoot embedded Linux and automotive software stacks.
Debug communication issues across CAN CAN FD Automotive Ethernet SOME/IP DoIP UDP and TCP networks.
Support software releases deployment and vehicle integration activities.
Develop and maintain test validation and automation frameworks using Python and scripting tools.
Analyze logs traces and network captures to identify and resolve system-level issues.
Collaborate with perception controls platform systems and validation teams to ensure feature readiness.
Support SIL HIL replay and vehicle-level testing activities.
Maintain software configuration branching and release management processes.
Create and maintain technical documentation interface definitions and integration procedures.
Performance Analysis: CPU memory task scheduling latency analysis and optimization on embedded multi-core MCU/SoC platforms.

Required Skills & Experience

Significant experience in Firmware development specifically with microcontrollers.
Proven track record of leading projects from end to end.
Strong analytical skills for performance profiling.
Strong proficiency in C/C and Python.
Experience with Embedded Linux development and debugging.
Solid understanding of CAN CAN FD Automotive Ethernet SOME/IP and UDP/TCP networking.
Experience with automotive diagnostics (UDS DTCs XCP).
Familiarity with ROS2 DDS or similar middleware technologies.
Experience with CI/CD pipelines Git and modern build systems.
Proficiency with debugging tools such as Wireshark CANoe CANalyzer GDB and tcpdump.
Experience with log analysis replay systems and validation workflows.
Strong system-level debugging and root cause analysis skills.
Excellent cross-functional communication and collaboration abilities.

Preferred Qualifications

Proficiency with Ethernet CAN
Experience with AUTOSAR.
Knowledge of ISO 26262 functional safety concepts.
Experience with MCAP ROS bag and large-scale data collection systems.
Exposure to vehicle testing HIL/SIL environments and ADAS development workflows.
Experience supporting software integration through production vehicle launches.
Understand state-of-the-art Agentic Coding

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

$120000 - $180000 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

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) Harbingers 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.

Required Experience:

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