# Kyle Ellefsen

> Machine Learning Software Engineer

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

Neuroscientist → Data Scientist → Machine Learning Software Engineer

## Work Experience
### Machine Learning Software Engineer @ YouTube
Jan 2021 – Jan 2023 | San Francisco Bay Area
Project Lead at YouTube News Intelligence

### Machine Learning Software Engineer @ Google
Jan 2019 – Jan 2023 | Mountain View, California

### Data Scientist @ Bosch Center for Artificial Intelligence (BCAI)
Jan 2018 – Jan 2019 | Sunnyvale, California
• Designed and deployed data pipelines and machine learning algorithms (CARTs, XGBoost, Logistic Regression, Neural Networks) to solve problems, including in manufacturing and driver assistance, for many of Bosch’s business units .
• Built an image classification framework using TensorFlow 2.0 inside Docker, allowing for modular inclusion of pretrained CNN architectures for transfer learning.
• Implemented a bayesian updating system to integrate machine learning model outputs over time to improve prediction as measured by a custom loss function.
• Designed and coded a distributed hyperparameter optimization framework synchronized via a SQLite database.

### Fellow @ Insight Data Science
Jan 2018 – Jan 2018 | Palo Alto, California
• Built Trusted News Search, an app that helps users identify trustworthy news sources.
• Used Python and PostgreSQL to scrape thousands of articles from major US news organizations.
• Identified and classified sentences in news articles that reference other organizations as indicative of trust or distrust between organizations using natural language processing, n-grams, and logistic regression.
• Deployed the interactive front end using Flask, jQuery, Bootstrap, and AWS.


## Education
### Doctor of Philosophy (Ph.D.) in Neuroscience
UC Irvine

### Bachelor of Science (BS) in Neuroscience
Brigham Young University


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

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