• Create product concepts, sketches and make mock-up design• Make detailed 3D CAD models, search out materials, components and systems for the product• Design the architectural layout and detailed plastic, foam, rubber, and textile; and bring all together into a prototype with rapid prototyping techniques (3D printing, CNC, Silicon mold, etc.)• Work with electrical engineers, software engineers, and marketers to conceptualize, define, design, build and test new products• Build and troubleshoot prototypes, analyze results of reliability and functional tests, iteratively improve the design• Design for function, reliability, human factors, and manufacturability• Work closely with external resources, suppliers and manufacturing partners in China, traveling to manufacturing sites

• Clarified concept of products by modeling and rendering in an engineering point of view • Designed and optimized the shape and structure of mock-ups and prototypes• Designed application circuits, managed PCB artwork outsourcing, BOM and tested PCB samples• Developed Linux programs to control sub-controller-board (open source hardware with API)• Designed and maintained website and server of the company

• Ideated, planned, managed business and set up the direction of the business • Lead designs of main full-stack web application • Designed, developed, tested, maintained and improved front-end application • Designed and improved UI/UX, communicating with users and applying their feedbacks