# Justin Krasner-Karpen

> Software Engineer at Study.com

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

## Work Experience
### Software Engineer @ Study.com
Jan 2024 – Jan 2025 | Mountain View, California, United States
Reskinned some of the highest-usage elements of an online learning platform using React and CSS, to align with a new design system and brand updates.
Updated generative AI tools to make it easier for teachers to generate classroom materials. Edited the related LLM agents and prompts.
Planned and led an internal hackathon project about our TOEFL English exam product, winning 2nd place for “Best AI Innovation”.

### Senior Software Engineer @ Sown To Grow
Jan 2023 – Jan 2023 | Menlo Park, California, United States

### Data Scientist and Software Engineer @ Quizlet
Jan 2022 – Jan 2023 | San Francisco, California, United States

### Software Engineer @ Quizlet
Jan 2019 – Jan 2022

### Software Engineer @ IXL Learning
Jan 2017 – Jan 2019 | San Mateo, California
Implemented and documented front end for school practice questions in Javascript and React.
Tested front end components by writing back end question generators in a Java infrastructure.
Identified a potential 20% optimization in load time, and documented a plan to implement it.
Conducted over-the-phone coding interviews and mentored new hires.


## Education
### Bachelor of Science - BS in Computer Science
Stanford University
Jan 2012 – Jan 2016


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

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Source: https://flows.cv/justinkrasnerkarpen
JSON Resume: https://flows.cv/justinkrasnerkarpen/resume.json
Last updated: 2026-03-20