👋 Hey, I'm Tony Kornmeier

I build developer tools that make the web more accessible. Based in Maumee, OH, creating open source testing frameworks and infrastructure at scale.

Available for new projects

About Me

Principal engineer with 10+ years building developer-loved testing tools and accessibility infrastructure at scale. Creator of open source accessibility testing frameworks that seamlessly integrate with Playwright, Cypress, and WebdriverIO. Deep Storybook expertise with a proven track record of building component-level testing solutions that developers actually use. Passionate about improving developer experience through thoughtful API design and comprehensive documentation.

Work Experience

2022 - Present

Senior Engineer, Accessibility Infrastructure at

Fidelity Investments

2020 - 2022

Product Team Lead at

Deque Systems

2015 - 2020

Development Services Team Lead at

Deque Systems

And more...

Technical Writing

Thoughts on accessibility, testing, and developer tools

Nov 15, 2025

Your Dev Environment Should Just Fit: Building the Dot Command

How I built a single-command CLI to turn hours of machine setup into minutes—because life's too short to remember which scripts to run in which order.

Nov 2, 2025

Modern Linting & Formatting: A Frictionless Developer Experience

How switching to OXLint, Prettier, and automated pre-commit hooks transformed our code quality workflow—making it 50x faster and completely invisible to developers.