Software Engineer, Diagnostics

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.

We are seeking an Automotive Software Engineer to support Harbinger's 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.

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

• 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 implementations.
• 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.

• Experience with Android Mobile development.

• 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

$140,000—$180,000 USD

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