Yu-Cheng Tsai
Machine Learning | Fintech | Princeton Ph.D.
- Role
- Principal Machine Learning Scientist at Sage Ai at Sage
- Location
- Redmond, WA, US
- LinkedIn followers
- 500 followers
About Yu-Cheng Tsai
Project Experience: Recommender Systems, Natural Language Processing, User Segmentations, Image Segmentation, Object Detection, and Deep Learning or Machine Learning Prototyping and Production in TensorFlow, Apache Spark, Docker/Kubernetes, and MLFlow
Experience
Principal Machine Learning Scientist at Sage Ai
Jan 2021 — Present
Machine learning meets Fintech:)*Having fun in fine-tuning LLM foundation models with Ray, DeepSpeed, and HuggingFace.(https://medium.com/sage-ai/fine-tuning-large-language-models-a-guide-into-distributed-parallel-training-with-deepspeed-ray-78•••••26a17)*Built numerous Generative AI applications for finance and accounting using LangChain, streamlit, and, embeddings db.*Build at scale backtested time-series modeling pipelines to evaluate offline and online performance of multi-classes and multi-outputs classifiers using Argo (with Docker containers orchestrated by Kubernetes) and MLFlow, resulting in +x% online prediction accuracy increase.*Implement constrained spectral clustering algorithm and silhouette score analysis to cluster users activity data and write unit tests of the algorithm with various use cases, increasing click through rate by x%, and improving test coverage by y%.*Implement learning to rank system to surface relevant cards for users using TensorFlow.
Education
Princeton University
Doctor of Philosophy (Ph.D.), Mechanical and Aerospace Engineering
2008 — 2013
National Taiwan University
Bachelor of Applied Science (B.A.Sc.), Mechanical Engineering
2003 — 2007
Skills
- Matlab
- Nltk
- Sql
- Laser Physics
- Linux
- Pandas
- Interferometry
- Data Analysis
- Labview
- Confluence
- Simulations
- Email Marketing
- Unigraphics
- Cross-Functional Team Leadership
- Machine Learning
- Research
- Python
- Moz Keywords Planner
- Latex
- Tensorflow
- Arduino
- Teamcenter
- Zemax
- Microsoft Office
- Opencv
- Vba
- Materials Science
- Jira
- Characterization
- Spectroscopy
- Facebook Ad Manager
- Sharepoint
- Matplotlib
- Numerical Analysis
- Product Development
- Physics
- Fred
- Mathcad
- Google Adwords
- Abacus
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