Ziqi L.

Data Scientist

United States

About

Graduated from Columbia University, working in Amazon as Data Scientist. • Programming: Python, Java, SQL, R • Machine Learning Modeling

Experience

  • Data Scientist at Amazon
    Oct 2022 - Present · 3 yrs 9 mos

  • Credit Risk Analyst at Community Loans of America
    Jan 2021 - Oct 2022 · 1 yr 10 mos

  • Data Scientist at r4 Technologies
    May 2019 - Dec 2020 · 1 yr 8 mos

  • Columbia University in the City of New York (New York, New York, United States)
    • Associate
      Jan 2019 - May 2019 · 5 mos

    • Grader
      Sep 2018 - Dec 2018 · 4 mos

  • Analyst Trainee at Citi
    Nov 2016 - Dec 2016 · 2 mos

    • Handled data measured by GBs on customers’ credit records and performed data manipulation and analysis using SQL and R. • Constructed a risk model to evaluate the customers’ credit card applications with logistic regression and conducted client-centric analysis.