- As a tech lead of MLOps team, led a group of data engineers and machine learning engineers to determine mechanisms for machine learning model lifecycle and release several sample codes such as unit test (Pytest) and MLflow which optimized the quality of online models. . Created a Slackbot and a real-time scoring system on Google Cloud Platform to hold E.SUN AI Open Competition for competing supervised learning and natural language processing techniques. . Built an ML pipeline to extract blacklist of suspected financial criminals from the news and present the model results on a web frontend built with Vue.js which optimized the AML (Anti Money Laundering) process. The system tripled the number of correctly caught criminals and reduced one-sixth of reading articles compared to rule-based methods. . Led 3 developers to launch a system predicting the probability that a customer would delay mortgage repayment by LightGBM and SHAP This model has been online for one year, and it has not only helped the card loan division improve repayment collection but reduced 68 person-days (56%) % per month. . Led 2 developers to develop a predictive model and optimization algorithm to help customers find the right financial assistants by LightGBM. This service helped the wealth management division activate customers who had not traded for a long time and the transaction amount reached 4 million dollars during the three-month trial operation.

. Created a credit card fraud detection model and output the result with RESTful API built with Flask framework, which outperforms the legacy system by 3 times and reduces the time cost by half.

. Developed and maintained the first chatbot-based banking service in Taiwan, which provides forex, mortgage and credit card service on LINE and Facebook Messenger This service saved operation costs by 30% and improved sales by 20%. . Designed an e-commerce platform infrastructure with IBM to conduct personalized marketing through Omni-Channel real-time recommendation system, and accomplished the PoC stage.