Taipei, Taipei City, Taiwan
Senior Data Scientist with 6 years of experience developing AI-driven solutions that deliver measurable business impact. Specialized in machine learning, NLP, LLM integration, and RAG technologies with a proven track record of increasing user engagement by 6.5% and preventing $1.6K monthly losses through fraud detection systems.
- Led a multi-agent chatbot leveraging LLM, LangChain, ReAct Framework, and RAG for internal use, implementing semantic search, tool selection, code explanation, and automatic data query.
- Applied machine learning models to analyze short videos and posts, then designed an A/B test experiment to implement LLM to optimize the recommendation system and deployed it on GCP, which ran on the app home page, increasing the click-through rate of new users by 6.5%. - Established an unsupervised learning algorithm to identify users with sub-accounts, implementing real-time fraud detection, avoiding 1.6K USD in monthly losses. - Devised metrics, dashboards, and anomaly detection to monitor system stability, empowering the engineering team to find and address the root causes of issues, and then derived the user satisfaction score.
- Implemented machine learning models to SMS precision marketing, improving ROI by 30%, and the gross margin exceeded 11 million NTD in an 8-day campaign. - Forecasted hourly orders on Uber Eats with machine learning models to make stores arrange for staff to pick that resulting MAPE by 30%. - Led the site selection research with Chunghwa Telecom to find potential sites for the food delivery market, and opened 2 new stores so far to serve new customers. - Executed a company annual project with AlixPartners, conducting product optimization research, estimated to increase net sales by 2.8%.
- Drove e-commerce performance and analyzed website traffic with Google Analytics, Google Tag Manager, and Facebook Pixel. - Developed e-commerce website with WordPress independently, handling SEO and optimization.