Coordinated team of 19 cross-functional members including engineering, operation and marketing to deliver projects from design and productions to marketing and sales. Managed teams from full product lifecycle including UX and UI design- Led design and full-stack implementation of mobile contactless payment, mobile apps on iOS and Android, working with global payment solution providers using direct payment and subscriptionmodel: VisaNet, Braintree, Alipay, UnionPay etc, adapted by 2 parking, 2 restaurants, and 3 Universities- Led product design and engineering of SNS and online video education platform, using Vue.js, Express.js, Node.js and MongoDB and Nginx SMTP stack. Worked with original content creators, led to a 98% client satisfaction rate- Led product design and full stack implementation of smart home mobile apps on iOS and Android, integrating HomeKit, Google Home and Alexa Skills, adapted by 3 real-estate developers, 2 hotel groups, and 3 Universities- Led product design and full-stack engineering of smart-home and payment cloud services, using MEAN stack, Vue.js, MySQL, Utilizing AWS Services for cross-continental distribution, reducing latency by 60%- Originated designing and engineering of real-time embedded systems for smart home and contactless payments solutions, leading to reduction of 80% of costs while increasing product viability- Collected and analyzed global market data and user feedback by implementing A/B, Usability Testing and Monte Carlo simulation, utilizing SQL and AWS Data Wear-house solutions, improved customer satisfaction by 40%

Led 49 full/part-time employees and 7 projects from initiation, design, testing, engineering to product launching.- Led design and engineering of subscription based online-education and social networking platform to help students applying to US universities from China, with 34% of users enrolled in dream schools and programs, resulting $0.4M in revenue- Led design and engineering of online class streaming platform and custom designed IOT streaming hardware, help students applying to US colleges, 34% of users enrolled in dream schools, resulting $400k in revenue- Design and full-stack engineering of online US college dating websites generated $120k/month in revenue