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retraining models/in production. Working in RPA( Robotic Process Automation) team, Web Scraping(crawler) and automating routine tasks to achieve labor cost reduction. JuneMay 2020 Data Scientist Intern @ Cathay Financial Holdings. 國泰金控 Digital data & Technology (DDT, 數數發) Research into Interpretable Machine Learning and its existing algorithms. Experimented LIME & SHAP on open data. ( GitHub ) Real Estate Evaluation model – Geographical/Credit Card data gathering, cleaning, feature engineering (Hit-rate performance improved from 55% to 70%) Python Machine learning Data Pipelines Web Crawlers PyTorch, Airflow, Pandas, docker SQL Extract-Transform

Kai Cheng (Austin) Liu As a data scientist and engineer with 7 years of experience developing data-driven solutions in Smart Manufacturing and Data Privacy. Skilled in ML algorithms, MLOps, data governance and pipelines. Awarded Kaggle Silver. I expertise in Agile Methodologies and a keen interest in ESG. I have excellent communication skill and am adept at collaborating effectively with colleagues and stakeholders. Taiwan 工作經歷 Data Scientist • Delta Electronics, Inc. (台達電子工業 股份有限公司) 五月Present 1. Built manufacturing quality monitoring

Develop, implement, and automating deployment of ETL workflows using DBT and Redshift DWH. - Competitive Intelligence - c rawl and analyze the data from competitors to drive insights using NLP. - Analyzing feature usage data to understand customer behavior, predict conversion, and lead generation. - Detecting product's commercial usage using machine learning to push for free-to-paid conversion. - Generated country embeddings using relational data to identify geographic/demographic resemblance. - Clustering 200Mn+ users to tune marketing campaigns and generate sales opportunities. - Conducting hiring interviews, providing mentorship and onboarding junior colleagues. Data Scientist • CHECK24, Münster