John Pusey
Principal Software Engineer at Tricentis
Greenwich, Connecticut, United States
Summary
👤
Senior🎓
Top SchoolJohn Pusey is a Principal Software Engineer based in Greenwich, Connecticut, with a deep pedigree in systems and iOS engineering spanning nearly four decades. He has focused on iOS for the last 15 years, leading mobile development for consumer social apps, health recovery platforms, and live video streaming at companies like YouNow, Waldo, and Tricentis. Known for shipping production-grade apps that integrate complex multimedia stacks (FFmpeg, AVFoundation, Core Media/Video) and real-time features, he pairs hands-on engineering with technical leadership across small teams and solo roles. Earlier in his career he co-designed enterprise-grade messaging and transaction systems, giving him rare cross-domain expertise from high-performance back-end middleware to polished mobile UX. He also contributes to open-source tooling (e.g., MCToolbox) and has a long history of consulting for financial and healthcare clients, reflecting strong domain versatility. With an MS in Computer Science and a track record of solo-to-lead roles, he excels at taking technically demanding projects from prototype to App Store-scale production.
9 years of coding experience
36 years of employment as a software developer
B.A. Computer Science, B.A. Computer Science at Oberlin CollegeM.S. Computer Science, M.S. Computer Science at Stony Brook University
Stackoverflow
3reputation
91reached
0answers
1question
Github Skills (26)
objective-c10
ios10
xcode10
extensible10
carthage10
macos10
swift10
bitrise10
cocoapods10
monitor9
monitoring9
command-line-tool8
cli7
sql6
google-bigquery6
Programming languages (7)
Github contributions (5)
eBardX/XestiNetwork
Nov 2018 - Jan 2025
Contributions:46 pushes, 6 branches, 16 tags in 6 years 2 months
eBardX/XestiMath
Jul 2024 - Mar 2025
Contributions:220 pushes, 11 branches, 3 tags in 8 months
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