Chi Chang

Experience

• 

  Institute of Molecular Biology, Academia Sinica, Taiwan

  Sept 2010 - Sept 2011

  Summer Internship
• 

  Lab of Cell Dynamics, Institue of Molecular Biology, Academia Sinica, Taiwan

  Jan 2016 - Aug 2017

  Research Assistant

  - Use MATLAB to analyze the cell death rate over time under different dose of the drug combination in order to observe the synergistic effect.

• 

  X-Legend Entertainment Co Ltd

  Dec 2017 - Nov 2022

  - Build the data pipeline and increase the diversity of player behavior collection for further analysis.- Build out the data and reporting infrastructure from the ground up using R and Tableau to provide insights into the business KPIs.- Automated processing of millions of rows of data from daily player action to improve reporting of product metrics, saving the company 24 hours of weekly labor.- Work with product and design teams to understand design and monetization needs, then translate them into actionable reports in Tableau. Show less

  • Data Scientist

    Apr 2021 - Nov 2022

  • Data Analyst

    Dec 2018 - Mar 2021

  • Game Designer

    Dec 2017 - Dec 2018
• 

  Shaku Technology Co., Ltd.

  Jun 2023 - Dec 2023

  Data Scientist

  - Participate in the AI+ Competition: Develop a risk assessment model that combines Gaussian Mixture Model with SHAP for explainable AI.Winning the highest reward.- Develop and maintain dashboards using BigQuery and Tableau.

• 

  YFY Inc.

  Dec 2023 - now

  Data Scientist

  - Develop a RAG system that incorporates vectorized text data stored in ChromaDB, using the SelfQueryEngine as the retriever.- Design and deploy a comprehensive credit investigation platform featuring a credit assessment model, automated customer information extraction, and sales performance analysis.- Develop the data pipeline to process data into Neo4j database for implementing GraphRAG.- Fine-tuning Llama2-8B with QLORA to generate news summary.- Develop an LSTM model to forecast solar energy production.- Create a time series model that integrates both text and numerical data, leveraging insights from academic research.- Adopt cutting-edge techniques by reading academic papers and implementing their methodologies. Show less