1. Responsible for customer Spec. review, optical simulation and presentation to customer during RFQ 2. Participate in customer’s and CFT’s meetings to exchange the requirement 3. Conduct the optical design, simulation and provide the optimization solutions per the test report 4. Provide the cross validation matrix(e.g. tolerance analysis, LED selection…) from optical aspect to E/E and mechanical design, to eliminate the risks in series production 5. Participate in internal component design review process together with the product development engineer to ensure the design approval 6. Partially support product development engineer to track and solve the product relevant issues during development 7. Participate in internal and customer’s optical evaluation and photometry measurement on physical parts during development 8. Collect up all the issues, lesson learnt during the development and generate into the knowledge library as the database, and share to the whole team 9. Other tasks assigned by the supervisor