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Software Engineer, Diagnostics

Harbinger Motors

Job Location:

Garden Grove, CA - USA

Monthly Salary: $ 140000 - 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.

Role Overview

We are seeking an Automotive Software Engineer to support Harbingers scaling efforts specifically the Baux Project chassis and generator project. You will develop a Diagnostics Tool for core products and R&D including a proof-of-concept for an Android Tablet. This role involves working onsite with hardware and collaborating with the End of Line team.

Key Responsibilities

Develop a Diagnostics Tool to interact with Harbingers core products and upcoming R&D.
Interface with vehicles and the End of Line team.
Perform unit testing and ensure high-quality software delivery.

Required Skills & Experience

Automotive software engineering experience (UDS CAN ODX).
Heavy proficiency in Python and C.
Strong understanding of Diagnostics and Unit Testing.
Experience utilizing diagnostic services (UDS) on Ethernet CAN and LIN for fault reporting and communication purposes.

Knowledge of standard automotive diagnostic tools (e.g. CANdela Studio or similar) for crafting diagnostic data.
Proven ability to work alongside cross-functional teams such as the End of Line (EOL) and Service organizations to establish strategies for part exchange and troubleshooting in the event of a fault.
Experience troubleshooting and validating diagnostic functions directly on hardware/vehicle platforms.
Experience developing functional and software requirements for both model-based and hand-coded software
Familiarity with Safety processes (e.g. ISO 26262) and ensuring compliance with software architecture standards.
Proficiency in designing and executing test cases for verifying and validating diagnostic functions across ECU and system integration levels.

Preferred Qualifications

Experience with Android Mobile development.

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

$140000 - $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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