Emily Li

Software Engineer - ML & Data - Columbia MS CS

Computer Science master's student at Columbia University with prior full-stack, data analysis, and NLP research experience from HKU and Hong Kong tech internships. Comfortable shipping full-stack features, analyzing large datasets, and iterating on ML models end-to-end.

Experience

Research Assistant

HKU Data Science Lab · 2023–2024

Assisted in building NLP models for text classification using PyTorch. Cleaned and processed multilingual datasets (English + Chinese). Improved model accuracy by ~8% through feature engineering and hyperparameter tuning.

Software Engineer Intern

FinTech Company · 2023–2023

Developed internal dashboard using React + Node.js to monitor transaction metrics, used by 50+ operations staff. Built RESTful APIs to process financial data, improving data retrieval speed by ~25%. Designed MySQL schemas and optimized queries for large transaction datasets. Collaborated with cross-functional teams to deliver features under tight deadlines.

Data Analyst Intern

E-commerce Platform · 2022–2022

Analyzed user behavior data (~500K records) using Python (Pandas, NumPy). Built dashboards in Tableau to visualize conversion funnels and retention metrics. Identified user drop-off points, contributing to a ~12% increase in checkout conversion rate. Automated weekly reporting pipeline, reducing manual effort by ~40%.

Emily Li

Experience

Research Assistant

Software Engineer Intern

Data Analyst Intern

Education

Columbia University

The University of Hong Kong (HKU)