United States

Data Scientist

AI/ML Engineering

Stella Wenxing Liu

Head of Applied Science, AI

Data Science x AI

AI Evals & Analytics

Leadership

Analytical skills

AI/ML

Python

Led Growth Data Science team at Shopify Logsitics.

Build and own data-driven/algorithmic applications that supports Carvana's day-to-day operations.

- Logistics: 
    Developed algorithms and systems to automate haulers scheduling across the whole Carvana logistics network.
    Built algorithms and tools to dynamically estimate transit time based on vehicle location, customer locations, and network capacity.
- Market Ops:
    Developed dynamic time slots management algorithm.
    Simulation-based decision support system.
- User Behavior: Used machine learning techniques to target high-value customers.
- Marketing: A/B testing.

- Work with web­scale datasets using Spark and Vertica SQL.
- Develop end­-to-­end analytical workflow (including UIs & Web UIs) using Python.
- Build data visualization reports and dashboards using Tableau.
- Design and analyze A/B testing experiments (online ads).
- Use advanced statistical methods to assess predictive model performance.
- Provide ad­hoc analyses and internal consulting to product managers and engineers.

- Developed statistical models to analyze traffic data and predict traffic volume of Arterial Road in Lusaka, Taiyuan Central Business District, and etc.
- Reported data analysis and prediction results to clients in oral presentations and written documents, including PT Marga Lingkar Jakarta (Indonesia), Taiyuan City Government, Shanghai Construction Group, and etc.

Predictive Modeling and optimization algorithms on Transportation data.

Stella Wenxing Liu🇺🇸