1. Developed a facial authentication preprocessing system, which consists of an iOS client app implemented in Swift and a Django server for image encryption, data storage and facial recognition API interaction, for an on-site contract system to enhance security level.2. Designed and implemented an internal video/text-based Q&A system using Spring Boot, Vue.js, and MySQL to allow coworkers with similar skill sets across teams to discuss technical issues in a more direct way without the concern of leaking confidential information.

1. Full Stack Web Development using Django, Vue.js, Redis, MySQL, and RESTful API design.2. Retrieved and processed revenue-and-customer-related data with SQL, Pandas and Numpy for the marketing team.3. Implemented multiple functionalities for various internal systems, such as Auto-Reply for the Customer Service Tickets system, which reduced over 50% of the workload of the customer service team, and the Comments and Approval module for the Compensation for Services Management system.4. Developed 4 independent event websites per month for millions of players from over 20 countries in South-East Asia and South America.