James Dempsey
Founder at Tapas Software
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJames Dempsey is a seasoned macOS and iOS engineer and founder with over a decade of experience building system frameworks, consumer apps, and developer training programs from Silicon Valley. He spent many years at Apple shaping AppKit, accessibility, and pasteboard APIs, then transitioned to founding Tapas Software to deliver hands-on iOS/macOS training, consulting, and speaking. His work includes high-profile app engineering—implementing the core reading experience for a top-ten App Store news app—and active participation in the Swift community as a trainer, speaker, and member of Swift Website and Contributor Experience workgroups. Combining deep platform internals knowledge with practical app and curriculum design, he blends engineering craft, developer experience, and public-facing advocacy. Based in San Jose, he pairs a rare mix of framework-level systems experience and front‑end product execution that helps teams ship accessible, high-performance Mac and iOS software.
12 years of coding experience
17 years of employment as a software developer
BS Economics, BS Economics at The Wharton SchoolRutgers Preparatory SchoolBA Psychology, BA Psychology at University of Pennsylvania
Github Skills (35)
rss10
objective-c10
programming-language10
ios10
build-configuration10
wikipedia10
xcconfig10
xcode10
swift10
rss-reader9
ruby9
macos9
swift-package9
parsing8
shortcut7
Programming languages (7)
Github contributions (5)
swiftlang/swift-evolution-metadata-extractor
Jul 2024 - Jul 2026
JSON metadata generator for Swift Evolution dashboard.
Contributions:2 releases, 2 reviews, 25 PRs in 2 years
swift
dempseyatgithub/swift-evolution
Mar 2023 - Jun 2026
This maintains proposals for changes and user-visible enhancements to the Swift Programming Language.
Contributions:135 pushes, 133 branches in 3 years 3 months
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