# Xiaoyun Yang

> Software Engineer at Zip Intake-to-Procure

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/xiaoyun

Data Analysis: Motivated tech-savvy data analyst equipped with 3+ years of experience in the eCommerce, advertising and marketing industry; In-depth knowledge of data analysis using Python / Pandas, SQL and R; 

Data Visualization: Proficient data visualization skills using matplotlib, ggplot2, plotly, Dash and Qlikview. Expertise on building dashboard to visualize data insights from various sources.

Machine Learning: Hands on data modeling experience with different machine learning algorithms including Linear Regression, K-means, SVM, Random Forest, Decision Trees, Neural Network. Expertise on popular machine learning libraries / packages such scikit-learn, rpart, caret, randomForest, e1071, tensorflow, keras, pytorch, Fast.ai.

Software Development: Hands on experience on 1) Designing / creating / migrating database models; 2) Making and deploying APIs / workers; 3) Creating frontend; 4) Managing and migrating applications on Heroku; 5) Writing web scrapers;  6) Creating and deploying Docker applications; 7) Serverless applications on Azure and AWS; 8) Authentications using Firebase; 9) Twilio API; 10) Google / Bing Ads API;

## Work Experience
### Software Engineer @ Zip Intake-to-Procure
Jan 2022 – Present | San Francisco Bay Area

### Software Development Engineer @ Amazon
Jan 2019 – Jan 2022 | San Francisco Bay Area
Amazon Fresh business internationalization expansion, including internationalize order detail page to enable multiple language support and onboard business accounting for multiple countries;
Improve charging functionality by working on a few service level areas: 1) enabling over authorization in JP marketplace, 2) implementing order modification restriction to disallow purchase document change upon order fulfillment, 3) creating dashboard for pending orders monitoring;
Write integration tests, maintain DJS jobs and pipeline, make tools that reduce operation load (tampermonkey script etc);

### Data Science Analyst @ PureCars
Jan 2015 – Jan 2019 | Greater Atlanta Area
Develop a search campaign bid management tool to help the real time bidding on Google and Bing for our clients;
Perform various eCommerce related data analysis, including website traffic, search, sales and market insights data, create visualizations and build dashboard;
Implement machine learning algorithm to improve the data gathering process;
Calculate and validate cars' average market price with linear regression in R and work with software engineers to deploy the model to production;

### Research Assistant @ Georgia Institute of Technology
Jan 2014 – Jan 2015 | Atlanta GA
Graphene sample characterization using Raman spectroscopy, ellipsometer, various force microscopy and XPS;
Graphene growth using controlled sublimation method;
Nanostructure fabrication using electron beam lithography and photo lithography;
Transport measurement using four probe system and lock in amplifier.

### Teaching Assistant @ Georgia Institute of Technology
Jan 2012 – Jan 2014 | Atlanta GA
2012–2013 , Teach modern physics lab on python modeling for electromagnetic interaction.. 
2013–2013 , Teach introductory physics lab on Newtonian Mechanics.. 
2013–2014 , Teach optics lab and grade for atomic physics..

### Undergraduate Researcher @ Nankai University
Jan 2011 – Jan 2012 | Tianjin City, China
Studied the photorefractive effect in LiNbO3 crystal; 
Study the propagation of nonlinear beam with cubic phase modulation using spatial light modulator; 
Matlab simulation for the propagation of Airy beam using the Fourier transform technique;


## Education
### Master’s degree in Physics
Georgia Institute of Technology
Jan 2012 – Jan 2015

### Bachelor of Science in Physics
Nankai University
Jan 2008 – Jan 2012


## Contact & Social
- LinkedIn: https://linkedin.com/in/xiaoyun-yang-a3256774

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Source: https://flows.cv/xiaoyun
JSON Resume: https://flows.cv/xiaoyun/resume.json
Last updated: 2026-03-23