# Craig Fan

> Software Engineer

Location: Boston, Massachusetts, United States
Profile: https://flows.cv/craigfan

BS in Computer Science from University of Massachusetts Amherst
MS in Computer Science from University of Pennsylvania

Interests: Software Engineering, Distributed Systems, Scalable Software, Machine Learning, Psychology

## Work Experience
### Software Engineer @ Ikigai
Jan 2025 – Present | Boston, MA
Platform/Infra

### Software Engineer @ Reddit, Inc.
Jan 2024 – Jan 2025
ML Features Infra

### Software Engineer @ Tinder
Jan 2021 – Jan 2024 | San Francisco Bay Area
Recommendations team
- Flink
- ElasticSearch
- ML Infra
- ML Platform
- Databricks
- Airflow
- Kafka
- Spark

### Software Engineer @ Navan
Jan 2020 – Jan 2021 | San Francisco Bay Area
Backend core product

### Founding Software Engineer @ Building something new!
Jan 2019 – Jan 2020
- Raised over $5000 in funding
- React, Node, Firebase, AWS

### CIS545 Big Data Analytics Head TA @ University of Pennsylvania
Jan 2019 – Jan 2020 | Greater Philadelphia Area
- Wrote homeworks on Pandas, Spark EMR clusters, data cleaning, and data analytics
- Demonstrated clear communication skills through planned recitations by teaching and clarifying difficult concepts to non-CS students
- Maintained levels of efficiency in grading and online help even when class size increased from 120 to 190

### Data Science Intern @ Pando
Jan 2019 – Jan 2019 | San Francisco Bay Area
- Wrote full data processing pipeline for creating, cleaning, and feature engineering/selecting data for Wide Receiver data with dedicated scrapping, cleaning and feature engineering scripts
- Designed and implemented ensemble model using K-Means and XGBoost to achieve a R^2 score of .74
- Shipped fault tolerant web scrapper to perform information retrieval on over 10,000 webpages
- Created data science tool/web application using REST API with Python Flask to display model predictions along with similar players based on inputted stats to help non-technical managers use the tool
- Architected recommended system design for web servers and databases using ER diagrams

### Software Engineer Intern @ Liberty Mutual Insurance
Jan 2018 – Jan 2018 | Boston, Massachusetts, United States
- Spearheaded migration of ML model environments to Docker to aid incorporation of ML into products
- Built REST API endpoints for ML models to facilitate JSON parsing using CherryPy to cut model training times by 33% of the original time

### Software Engineer Intern @ Liberty Mutual Insurance
Jan 2017 – Jan 2017
- Used Node, Express, React and Sequalize to design and create customer service representative page for getLulo.com utilizing JavaScript libraries to navigate, grab and display relevant customer information
- Reduced database calls from over 50 to less than 5 by optimizing data flow between front and backend with SQL queries

### AI Data Mining Intern @ Baidu, Inc.
Jan 2016 – Jan 2016 | Beijing City, China
- Implemented Perceptron and Logistic Regression for advertisement data using stochastic gradient descent to achieve an accuracy of 84%
- Used learned models to take search query data, and then predict click amounts of links for a given search query

### Framework team Intern @ Lenovo
Jan 2015 – Jan 2015 | Beijing City, China
- Designed and implemented weather application demo for Lenovo VIBE mobile phones with Android Studio

### Student Intern @ Carnegie Mellon University
Jan 2013 – Jan 2013 | Silicon Valley, California
- Designed palm sized quad copter from scratch
- Researched cheapest, lightest, and best materials for the quadcopter such as tiny motors, ESCs, Arduino programming boards, etc.
- Programmed and calibrated built quadcopter for efficient flying and better stability while in the air


## Education
### Master of Science - MS in Computer Science
University of Pennsylvania

### Bachelor of Science - BS in Computer Science
University of Massachusetts Amherst


## Contact & Social
- LinkedIn: https://linkedin.com/in/craig-fan

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Source: https://flows.cv/craigfan
JSON Resume: https://flows.cv/craigfan/resume.json
Last updated: 2026-03-28