Developed and delivered a fingerprint-based authentication feature for Hyundai Ioniq 6 vehicles within the mvl-boston/opendbc repository, focusing on secure access via CAN bus communication. The work involved updating the CAN firmware using Python to enable authentication without relying on Highway Driving Assist II, ensuring compatibility with current and future Ioniq models. Emphasized clean commit traceability and co-authored contributions to support auditability and team collaboration. No major bugs were reported during the development period, reflecting a stable implementation. The project demonstrated expertise in automotive software development, with a focus on secure, maintainable code and readiness for broader model integration.