## 2023- Developed the mission APIs, enabling users to engage in various missions such as check-ins, following users, and completing transactions, leading to a new business for increasing 2M revenue.- Built and deployed Flink applications on Kubernetes clusters to perform efficient transaction data analysis sourced from Kafka, alongside other data streams extracted via MySQL change data captures.- Integrated Oauth2.0 Github Enterprise to Flink dashboard to provide users permission… Show more ## 2023- Developed the mission APIs, enabling users to engage in various missions such as check-ins, following users, and completing transactions, leading to a new business for increasing 2M revenue.- Built and deployed Flink applications on Kubernetes clusters to perform efficient transaction data analysis sourced from Kafka, alongside other data streams extracted via MySQL change data captures.- Integrated Oauth2.0 Github Enterprise to Flink dashboard to provide users permission control.- Created a File Download Center integrating Kafka, Elasticsearch, and AWS S3, improving long-term batching job management for marketing teams.- Utilized multi-threading techniques to accelerate processing speed within the File Download Center.- Led the development of Vue.js projects for data management and visualization for the marketing team.- Designed and implemented a favorite API for user preferences and recommended posts.## 2022- Develop advertisements and events APIs for internal management and external requests.- Designed and implemented caching layers and optimized MySQL indexes, enhancing advertisement API throughput to an average of 2000 transactions per second and support 10M users.- Establish a new CI workflow with automated tests with Junit, Jenkins and CircleCI to achieve code coverage to 70%.- Implement all applications in microservices architectures and deploy to Kubernetes clusters.- Developed a Vue.js-based dashboard for user interaction and cover integration tests with Cypress. Show less