Dan Roundhill
Mobile Lead at ProofSight
Missoula, Montana, United States
Summary
🤩
Rockstar🎓
Top SchoolDan Roundhill is a mobile-focused software engineering leader with 16 years of experience building consumer products used by millions, currently leading mobile at ProofSight from Missoula, Montana. He has led cross-functional teams at Automattic, driving reliability and performance improvements for Day One’s encrypted sync and scaling VideoPress and Simplenote products, with measurable wins like a 65% reduction in data loss and rapid Windows app delivery. A hands-on engineer who built the first WordPress for Android and contributed widely across Android, iOS, macOS, Electron, and web front-ends, he blends product ownership with deep implementation experience. Dan brings a track record of shipping polished UX features—resumable video uploads, SEO endpoints, and Markdown checklist support—while also optimizing backend systems and costs. He mentors engineers into leaders, introduced LLM tooling into team workflows, and is comfortable working across the full stack from sync protocols to UI refinements. Practical, product-minded, and detail-oriented, he pairs shipping velocity with strong operational and communication discipline.
16 years of coding experience
10 years of employment as a software developer
Associate of Arts - AA, Associate of Arts - AA at Bellevue CollegeBachelor's degree Computer Science, Bachelor's degree Computer Science at Seattle Pacific University
Github Skills (42)
javascript10
ios10
sens10
mobile-development10
electron10
plugin-development10
css10
wordpress10
user-interface10
android-sdk10
ui-design10
interface-design10
app-dev10
android-development10
lms10
Programming languages (12)
Github contributions (5)
Automattic/simplenote-android
Feb 2013 - Feb 2019
Simplenote for Android
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:13 releases, 20 reviews, 716 commits in 6 years
Contributions summary:Dan's commits primarily involve the development of the Simplenote Android application. They implemented and refactored UI components, including adding support for the history feature, adding dynamic date/time formatting, and building out settings and preference screens. They also added a number of new features, like the ability to publish notes and expanded support for Markdown based checklists, showing a strong focus on improving the user experience and functionality of the Android app.
androidsimplenote
Automattic/simplenote-electron
Oct 2015 - Feb 2019
Simplenote for Web, Windows, and Linux
Role in this project:Front-end Developer
Front-end DeveloperContributions:17 releases, 33 reviews, 240 commits in 3 years 4 months
Contributions summary:Dan primarily contributed to the Simplenote-Electron project by implementing and modifying user interface elements. This included loading the `index.html` file, adding menu items copied from the OS X application, and integrating a text area component. They also made changes to app state and added code style fixes.
reactwindowselectronlinuxwindows-web
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