Kai Li Email & Phone Number

As a data engineer, I worked for Chinese Internet Companies for 4 years after I got my graduate degree. In my role, I was responsible for the following key tasks:-Designing Data Experiments: Collaborated with business stakeholders to understand their requirements and designed data experiments accordingly to gather valuable insights.-Big Data Cleansing: Utilized tools such as HIVE and Spark for extensive data cleansing, transforming raw data into structured datasets that met the analytical needs of the business.-Data Analysis: Conducted in-depth data analysis using various tools and techniques, including Excel and machine learning models, to uncover patterns, trends, and actionable insights.-Data Visualization: Employed Excel, Tableau, and other visualization tools to create informative charts, graphs, and dashboards, translating complex data into understandable visual representations.-Reporting and Business Development: Prepared comprehensive analysis reports, summarizing findings and conclusions, and collaborated closely with business teams to implement data-driven strategies for business growth.

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  Data Engineer

  Qihoo 360

  Apr 2019 - Jan 2021 - Beijing, China

  • Reduced processing time from 3 hours to 30 minutes by using Spark instead of MapReduce for data cleaning• Visualized data using Tableau and developed a Business Intelligence (BI) platform for presentation using Tableau Server• Created feature layers to optimize engineering structures using Spark, which saved feature calculation time and facilitated feature verification

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  Northeastern University