Harbinger · 14 hours ago
Software Test Engineer
Garden Grove, CA
Contract
Onsite
Mid Level
$140K/yr - $160K/yr
3+ years expHarbinger is an American commercial electric vehicle company aiming to innovate the industry with their EV platform. The Software Test Engineer will focus on validating the connectivity suite, ensuring reliable data flow and performance of the Telematics Control Unit and associated APIs.
AutomotiveElectric VehicleManufacturing
Responsibilities
System Validation: Develop and execute comprehensive test plans for Telematics and Infotainment systems, ensuring seamless integration between hardware and cloud services
TCU/ECU Testing: Validate the functionality of Telematics Control Units, including cellular connectivity (4G/5G), GPS accuracy, and vehicle-to-cloud data logging
API & Cloud Testing: Test cloud-based interactions using APIs to verify that vehicle data is correctly transmitted and stored
Automation Development: Design and maintain automated test frameworks using Python and Pytest to improve testing efficiency for connectivity features
Communication Protocols: Monitor and analyze vehicle bus traffic using tools like Vector CANoe or Intrepid Vehicle Spy (CAN, LIN, and Automotive Ethernet)
HIL Integration: Work with Hardware-in-the-Loop (HIL) environments (dSPACE/Speedgoat) to simulate real-world driving conditions and connectivity edge cases
Defect Management: Identify, document, and root-cause software defects, collaborating closely with firmware and cloud developers for resolution
Qualification
Required
Bachelor's degree in Computer Engineering, Electrical Engineering, or a related field
3+ years of experience in automotive software testing, specifically with TCUs or ECUs
High proficiency in Python for test automation and scripting
Strong understanding of automotive networks (CAN/CAN-FD, Automotive Ethernet) and internet protocols (MQTT, HTTPS, JSON, REST APIs)
Experience testing cloud-based interactions or IoT devices that communicate with remote servers
Familiarity with requirements management (Polarion, JIRA) and version control (Git)
Preferred
Experience with OTA (Over-the-Air) update validation
Knowledge of cybersecurity standards for connected vehicles
Experience with Linux/Android Automotive operating systems
Benefits
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
Company
Harbinger
Harbinger is a commercial electric vehicle company that focuses on chassis architecture design.
201-500 employees
H1B Sponsorship
Harbinger has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (37)
2024 (24)
2023 (4)
Funding
Current Stage
Growth StageTotal Funding
$362.7MKey Investors
Greycroft
2025-11-13Series C· $160M
2025-01-14Series B· $100M
2024-05-21Series Unknown· $13M
Leadership Team
John Harris
CoFounder and CEO
Phillip Weicker
Co-Founder and Chief Technology Officer
Recent News
Sourcery
2025-11-21
Company data provided by crunchbase