● Responsible for scalable backend services including API servers, web crawlers, and database schema within the Moneybook ecosystem ● Working on a scalable web crawler cluster that can scale up to 150 pods at peak time, improving availability to 95% ● Implementing database master-slave structure, reducing 50% API response time at peak time ● Improving CICD pipeline workflow, reducing 50% cost time ● Improving API services’ unit test coverage to 83%, writing more than 100 unit tests

● Designed and built services dealing with daily stock market information that can handle 20 times data more than before ● Worked on internal services providing stock real-time trend picture for 65K users at peak time ● Worked on internal services providing stock metadata for 500K WAU users

● Coordinated the implementation of new products to Novatek, Himax, ILITEK, and Raydium ● Optimized the process parameters