• Architect and implement the social media mobile application Topichat for both iOS and Android platforms with React Native, Redux and JSX, etc.

• Develop JavaScript modules and native modules to integrate with third-party SDK and npm packages for both iOS and Android with Java and Objective-C, etc.

• Develop web services with Node.js, Express, Socket.IO, Cassandra and Redis, etc and deploy on Google Cloud.

• Design and develop features such as Group/Team/Channel, Event/Session, Notification, SOS, Media, QR Code, Video Call, Reminder, Multi-Language Support, Geo Related Search, etc.

• Lead internship developers to develop new features in both frontend and backend.

• Define project objectives by analyzing user requirements; envisioning system features and functionality.

• Design and develop user interfaces to internet/intranet applications by setting expectations and features priorities throughout development life cycle.

• Design manhattan portage and token website with PHP, MySQL, HTML, CSS, JQuery and JavaScript.

• Use OSCommerce to upload the new products and add new functions to website.

• Code review and debug in a timely manner.

• Search Engine Optimization and business websites enhancement, leading to traffic growth and sales growth.

• SQL query optimization and retrieve data for market analysis.

• Deal with connection between students and professor through phone and receive the students who come to math department.