Mark Onyschuk
Proprietor at Sequentio Software
Old Toronto, Ontario, Canada
Summary
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SeniorMark Onyschuk is a founder and software architect with 14 years of professional experience and roots in NeXT-era development that helped shape modern Mac and iOS platforms. He has led architecture and development teams at OANDA and Zynga, delivering large-scale mobile and backend systems, and now runs Dimension North Inc. to bring product-level engineering and consulting together. Mark blends deep platform knowledge—from early Objective-C/NeXT expertise to contemporary mobile architectures—with hands-on leadership in distributed teams. Based in Panamá Oeste, he brings a global perspective and a longevity in the Apple ecosystem that few modern mobile architects can match. Notably, his career bridges pioneering NeXT work and contemporary fintech and gaming platforms, reflecting both historical depth and practical, production-driven innovation.
14 years of coding experience
Github Skills (26)
receipt-validation8
storekit7
in-app-purchase7
bezier7
swift7
swiftui6
parser6
messagepack5
sdk5
behave5
ios5
entitlements5
objective-c4
parser-combinators4
combinator4
Programming languages (2)
Github contributions (5)
monyschuk/CwlSignal
Jan 2017 - Feb 2018
Contributions:4 PRs, 27 pushes, 1 branch in 1 year
reactive-programmingswiftiosreactiveswift-framework
monyschuk/LIGridControl
Nov 2013 - May 2014
Contributions:86 commits, 3 comments in 5 months
variableswiftiosgrid
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