# Jaegeun Lee

> Senior Software Engineer

Location: Weehawken, New Jersey, United States
Profile: https://flows.cv/jaegeun

# Background
Born in South Korea, but have been living in India for 5 years, Thailand for 3 years, Mexico for 3 years and US for 6+ years.

# Education
University of Michigan - Ann Arbor, Computer Science Engineering

## Work Experience
### Senior Software Engineer @ ALT
Jan 2022 – Present | Oakland, California, United States

### Senior Software Engineer / Data Infra @ Opendoor
Jan 2021 – Jan 2022 | San Francisco Bay Area

### Software Engineer / Data Infra @ Opendoor
Jan 2021 – Jan 2021 | San Francisco Bay Area

### Software Engineer / Analytics Platform @ Opendoor
Jan 2021 – Jan 2021 | San Francisco Bay Area

### Software Engineer / Analytics Engineering Infrastructure @ Opendoor
Jan 2020 – Jan 2021 | San Francisco Bay Area

### Software Engineer / Opendoor Direct Access (Homebase) - B2B @ Opendoor
Jan 2018 – Jan 2020 | San Francisco Bay Area

### Backend Web Developer @ SavvyStat
Jan 2017 – Jan 2018 | Cambridge, Massachusetts
• Developed the backend for a web platform that visualizes data analytics for a virtual economy of a game and allows users to manipulate data.
• Implemented a custom library to allow execution of complex query statements with high performance using SQL query language and data.table of R
• Utilized AWS S3 for raw game data storage, AWS EC2 for data computation and AWS Lambda for processing API requests from web client
• Analyzed Apache Spark, Apache Drill, data.table and data.frame of R and panda of Python to compare performance of reading and querying data

### Full Stack Engineer Internship (ICT-3) / Team Leader @ CMS Edu Co., Ltd.
Jan 2017 – Jan 2017 | Seocho-gu, Seoul, Korea
• Designed the full-stack architecture for an online IDE that provides a learning platform for students studying computer science
• Developed the user interface using React that offers view components for the filesystem, code editor and output
• Used Docker containers to create consistent environments for multiple users to compile code on the server

### Sergeant / Squad Leader @ Republic of Korea Army
Jan 2015 – Jan 2017
• Served in the Republic of Korea Army as a Signaller (responsible for military communications)

### Software Engineer Internship (SPARROW) @ Fasoo
Jan 2015 – Jan 2015
• Created a wrapper in C++11 that would check for dead code and invalid expressions for the new Static Program Analysis Engine using a SMT Solver
• Implemented constraint simplification to improve scalability by removing redundant expressions using the on-line simplification algorithm
• Devised a method to pretty-print conditional expressions that must be satisfied to prove the validity of each code-block of the program

### Software Engineer Internship (SPARROW) @ Fasoo
Jan 2014 – Jan 2014 | Mapo-gu, Seoul, Korea
• Created a wrapper in C++ that would check for dead code and invalid expressions for the Static Program Analysis Engine using a SMT Solver
• Resolved SMT Solver problems with non-linear expressions by remodeling non-linear expressions to linear expressions with a distinct structure
• Engaged in writing the technical documentation for 100+ software vulnerabilities based on CERT and OWASP secure coding standards


## Education
### Bachelor's Degree in Computer Science Engineering
University of Michigan College of Engineering
Jan 2012 – Jan 2018

### High School
American School Foundation of Monterrey
Jan 2010 – Jan 2012


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

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Source: https://flows.cv/jaegeun
JSON Resume: https://flows.cv/jaegeun/resume.json
Last updated: 2026-03-22