Career

My career development and education background

Timeline

Full Time Job
Part Time Job
Internships
Education
Today

Full Time Job

Senior Data Scientist
IBM
2023-06 - Now
DS

Responsible for full-stack development of machine learning models and generative AI applications, as well as operational data analysis, providing high-quality solutions to customers in various industries.

Tech Stack： PyTorch TensorFlow Scikit-learn Transformers LLM Fine-tuning Prompt Engineering RAG Agentic AI LangChain LangGraph Encoder training AWS Azure Docker Kubernetes HTML CSS JavaScript Django SQL Streamlit Agile
Data Scientist
Kuai Shou
2020-10 - 2022-04
DS

Optimized creator growth, retention, and monetization strategies through anomaly detection, predictive modeling, causal inference, and strategy experiments.

Tech Stack： Python SQL Spark Database Management Machine Learning Time-series Analysis Regression Analysis Deep Learning SHAP Partial Dependence Difference-in-Differences (DID) Propensity Score Matching (PSM) Synthetic Control A/B testing Uplift Modeling Optimization

Part Time Job

Full Stack Developer
WealthSigma
2024-09 - Now
SDE

Developed frontend and backend features for wealth management platform, implementing UI optimization and system performance improvements.

技术栈： Dart Python Flutter FastAPI Django SQL Docker NGINX Git Actions Linux Virtual Machine Web Scraping
Full Stack Developer
Zhengzhou Sanhe Cable
2024-09 - Now
SDE

Developed sales email personalization and sending system. Developed and maintained company website and conducted data analysis.

技术栈： Python AWS Docker Django HTML CSS JavaScript MySQL Linux

Internships

Data Analysis Intern
Nike
2019-07 - 2019-12
DS

Used machine learning models to predict product sales and assisted in production planning.

技术栈： Python Machine Learning Time-series Forecasting
Data Analysis Intern
eBay
2019-12 - 2020-07
DS

Created weekly and daily reports using Python, SQL, VBA and automated the reporting process.

技术栈： Python SQL VBA Data Visualization

Education

Master in Business Analytics
Carnegie Mellon University
2022-08 - 2023-05
GPA: 3.9/4.0

Pursued Master's degree in Business Analytics, deeply studied data analysis in business applications.

Bachelor in Economics
Shanghai University of Finance and Economics
2016-09 - 2020-07
GPA: 3.5/4.0

Majored in Economics with focus on quantitative economics and econometrics research.

Exchange Student
University of California, Berkeley
2018-08 - 2018-12

Took courses in computer science, financial engineering, etc.

Skills & Technologies

My technology stack and professional skills

Machine Learning & AI

PyTorch
95%
TensorFlow
90%
Scikit-learn
95%
Transformers
90%
LLM Fine-tuning
85%
LangChain
85%
LangGraph
80%

Data Science & Analytics

Python
95%
SQL
95%
Spark
85%
Time-series Analysis
90%
A/B Testing
90%
Causal Inference
85%
SHAP
80%

Backend Development

Django
90%
FastAPI
85%
Flask
80%
Web Scraping
85%
RESTful APIs
90%

Frontend Development

HTML/CSS
85%
JavaScript
80%
Streamlit
90%
Data Visualization
85%

Mobile Development

Flutter
80%
Dart
80%

Database

MySQL
85%
PostgreSQL
80%
Database Management
85%

Cloud & DevOps

AWS
85%
Azure
80%
Docker
85%
Kubernetes
75%
Linux
85%
NGINX
75%

Tools & Others

Git
90%
GitHub Actions
80%
VBA
70%
Agile
85%
Virtual Machine
75%