I'm a design engineer based in Philadelphia with a focus in building UI for web apps. Over my career I've worked with different companies to create design systems, bridging the gap between design and engineering to ensure best-in-class user experience and front-end infrastructure.

I'm currently looking for my next position. If you think I'd be a good fit for your company, please reach out at sayhi@helenvholmes.com.

Staff Design Engineer,
Modern Treasury
Maintained the design system, built app UI, and redesigned the marketing website for Modern Treasury, a company modernizing money movement.
2022—2024
Senior Design Technologist,
New York Public Library
Built the NYPL design system overseeing a team of seven. Evangelized the system internally.
2019—2021
Product Designer,
Self-Employed
Worked with clients such as Fastly and Github to code microsites, produce five conferences, and design an app.
2017—2019
Senior UX Designer,
Developer Tools, Mozilla Firefox
Designed in close collaboration with the developers to build out better user experiences on Firefox’s Developer Tools.
2015—2016
Front End Developer,
Capital One
Built out web, iOS, and IoT prototypes for the design team for experiences that needed more than Invision.
2014—2015
Having fun making a mess on the internet.
© Helen V. Holmes, 2025.
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