# Brett Haas

> Brett Haas is a software engineer in Bellevue, Washington, building ambitious products across AI, web, mobile, and intelligent systems.

This portfolio collects applied AI research on language-model steering, frontier-model safety and evaluation work, production mobile and cloud engineering, selected projects, and ways to get in touch.

## Portfolio sections

- [Experience](https://www.bretthaas.com/experience): ML Research Assistant at University of Virginia, GenAI Technical Advisor Intern at Scale AI, and Software Engineer Intern at Refraction Innovation Hub, with highlights, dates, and technologies for each role, plus a B.S. in Computer Science from University of Virginia (May 2026).
- [Projects](https://www.bretthaas.com/projects): Case studies with goals, approach, technical focus, and measured results: Court Vision (Computer vision basketball analytics platform for shot tracking and player movement insights); Beat Stream (A real-time collaborative music production platform built for low-latency multi-user sessions); Vision Bias Steering (LLM steering experiments for shifting model outputs between spatial and descriptive language).
- [Skills](https://www.bretthaas.com/skills): An interactive workbench of skills grouped as Languages, Frameworks, Cloud & DevOps, Databases, and AI / ML, from TypeScript, JavaScript, and Python to Mechanistic Interpretability and Prompt Engineering.
- [Contact](https://www.bretthaas.com/contact): Email, GitHub, and LinkedIn links for conversations about software engineering, machine learning, and research. Based in Bellevue, Washington.

## About this site

- [About](https://www.bretthaas.com/about): Background, education, experience, projects, and tools.
- [Privacy policy](https://www.bretthaas.com/privacy): How the site and its hosting providers handle visitor data.
- [llms.txt](https://www.bretthaas.com/llms.txt): Guide for AI agents with the Markdown version of every page.

## Contact

- Email: [bthaas15@gmail.com](mailto:bthaas15@gmail.com)
- GitHub: [github.com/bthaas](https://github.com/bthaas)
- LinkedIn: [linkedin.com/in/brett-haas](https://linkedin.com/in/brett-haas)
- Location: Bellevue, Washington (US Pacific Time)