Jack(Yu-Ju) Tsai 蔡育儒

Data & Analytics Manager

Summary

Data & Analytics Manager with over 9 years of experience in data science, data engineering, and machine learning. Adept at translating business challenges into effective data science projects, with expertise in the telecommunications industry and social mobile applications.

Experience

Data & Analytics Manager

OCT. 2021 – PRESENT

9Count, New Taipei, Taiwan

Led a team to enhance user experience, achieve significant improvements in user engagement and retention, streamline operational efficiency, and contribute significant revenue growth through predictive modeling and data analysis.

Sr. Data Scientist

APR. 2019 – OCT. 2021

17Live Goodnight, Taipei, Taiwan

Developed predictive models to enhance operational efficiency and revenue, significantly improving user experience by using advanced statistical methods on user data.

Sr. Data Analyst

OCT. 2018 – APR. 2019

Huawei Technologies, Yangon, Myanmar

Utilized predictive modeling to enhance product sales and customer insights, instrumental in building business intelligence through data pipelines.

Data Analyst

NOV. 2017 – OCT. 2018

Snapask, Taipei, Taiwan

Implemented data-driven solutions to optimize content management and user engagement, significantly improving operational efficiency.

Data Analyst

DEC. 2015 – NOV. 2017

Taiwan Star Telecom, Taipei, Taiwan

Assisted in management decision-making through data analysis, contributing to user retention strategies and major project deliveries.

Skills

R, Python, SQL, SAS, Statistics, Machine Learning, Metabase, Superset, Mode, Presentation, Intercultural Communication, Tableau, Power BI, AWS, GCP, ETL Pipeline, Apache Airflow, Trinity, Data Dog, Azure, Linux, Docker, Software engineering, Big Data System Design

Education

Tamkang University, Taiwan

2014-07 – 2014-07

Master in Statistics

Tamkang University, Taiwan

2013-07 – 2013-07

Bachelor in Statistics