- Work with sales/marketing to understand customer needs, propose competitive modified PP material solutions and support early project evaluations.- Design, develop and optimize modified plastic formulations for automotive/appliance applications, balancing performance, processability, cost and compliance.- Conduct material testing, performance evaluation and failure analysis to validate solutions per customer standards.- Provide technical support for mold trials, troubleshooting and continuous improvement to ensure smooth commercialization and stable mass production.- Coordinate with internal teams (production, quality, supply chain) and external partners to ensure effective communication and on-time delivery.