# Xinyi (Cindy) Ma

> Senior Software Engineer at Airbnb

Location: San Mateo, California, United States
Profile: https://flows.cv/xinyicindyma

## Work Experience
### Senior Software Engineer @ Airbnb
Jan 2023 – Present | San Francisco Bay Area

### Software Engineer @ Airbnb
Jan 2020 – Jan 2023 | San Francisco Bay Area

### Board Member @ Silicon Valley Tech Club
Jan 2021 – Jan 2023

### Software Engineer @ Yelp
Jan 2018 – Jan 2020 | San Francisco Bay Area
Machine learning/backend engineer
° Utilized feature engineering and model selection to select model with features that provide the best performance
° Trained and implemented machine learning models
° Designed  rule-based models and statistical models
° Utilized Spark and internal Spark ETL tooling on large volume of data
° Migrated Elasticsearch query DSL from 1.2 to 6.3 and the backend service
° Build an end-to-end system to serve aggregated photo data

### Data Scientist Intern @ Panjiva
Jan 2017 – Jan 2017 | Cambridge, MA
Apply machine learning knowledge and natural language processing techniques to extract business insights from global trade data

### Harvard CSE Capstone Project, Social Media Marketing: Unleash the Rising Star @ Tribe Dynamics
Jan 2017 – Jan 2017 | Cambridge, MA
• Constructed transition matrix in which each element represents probability of influence from one user to another user 
• Made improvements on Linear Threshold Model to predict social media influence reach and to find top rising influencers for a brand


## Education
### Master’s Degree in Computational Science and Engineering
Harvard University

### Bachelor’s Degree in Applied Mathematics
UC San Diego


## Contact & Social
- LinkedIn: https://linkedin.com/in/xinyi-cindy-ma

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Source: https://flows.cv/xinyicindyma
JSON Resume: https://flows.cv/xinyicindyma/resume.json
Last updated: 2026-03-29