JINGRUI LIU
Shenzhen,Guangdong
Summary
A self-motivated professional blending business acumen with digital technologies and statistical expertise to drive efficiency across various domains. Committed to continuous learning and maintaining a proactive, positive approach.
Overview
2
2
years of professional experience
Work History
EAD Artificial Intelligence & Data Intern
Deloitte Consulting ( Shanghai ) Co Ltd
02.2024 - 07.2024
- Optimized tree-based models (LightGBM, XGBoost) over 3 million+ dataset using Bayesian optimization, unbalanced sampling and dimension reduction, increasing prediction accuracy by 13% and efficiency by 25%. Streamlining model evaluation and checking consistency
- Utilized HIVE - SQL to analyze data pools exceeding 10 millions+ of records, supporting diverse business needs and decisions across four key operational scenarios for an automotive client
- Assisted in designing customer touchpoint strategies (BRD & PRD) for corporate clients, setting key performance indicators, and delivering visualized insights through PowerPoint presentations
Data Analyst Intern
JD Logistics And Transportation Services
06.2023 - 08.2023
- Collected over 7.5 million records of JD Logistics’ transportation data in Shanghai and utilized SQL Server to conduct a comprehensive analysis of data from nine key geographic areas, focusing on shipping item types, geographic location, and time dimensions
- Provided recommendations for resource allocation and peak season promotions for JD Logistics’ distribution centers in the relevant areas to maximize profitability
- Analyzed the parcel pickup efficiency of couriers with comparison between the nine regions, proposing workforce allocation strategies
Business Analyst Intern
Alibaba Group
06.2022 - 07.2022
- Conducted desk research on market, users, and competitors to develop a new campus social networking app targeting Generation Z. Apply the PESTEL model for market analysis and completed a detailed report
- Collected and analyzed data on 44.3 million higher education students, focusing on gender distribution, online spending segments, and annual market trends in mobile app usage
- Distributed surveys to gather insights on campus software needs and distributed them to the target audience
Education
Master of Science - Biostatistics
05.2026
- Scholarship Recipient
- 3.9+ GPA, Ranked in Top 10% of class
- Relevant Coursework: Statistical Computing with R & Applied Generalized Linear/Longitudinal/Multilevel Models & Statistical Learning/Big Data
- Badminton University Team Member
Bachelor of Arts - Computer Science & Math Joint Major
01.2024
- 3.6+ GPA, Ranked in Top 25% of class
- Relevant Coursework: :Numerical Computing & Linear Algebra & Data Structures & Ordinary Differential Equation
- Extracurricular Activities: 2022 Badminton New York Open C
division Championship - Effective Altruism Club Member
Skills
SQL/HIVE Databases
Python Programming
R Language
SAS & Java
PowerPoint Designing and Excell functions
Action-oriented
Language & Hobbies
TOEFL 105/120, SAT 1530/1600, GRE 334/340
Over 8 years Experienced Badminton Skills
Drummer & Band Leader
Drone photography
Timeline
EAD Artificial Intelligence & Data Intern - Deloitte Consulting ( Shanghai ) Co Ltd
02.2024 - 07.2024
Data Analyst Intern - JD Logistics And Transportation Services
06.2023 - 08.2023
Business Analyst Intern - Alibaba Group
06.2022 - 07.2022
Brown University - Master of Science, Biostatistics
New York University - Bachelor of Arts, Computer Science & Math Joint Major