Jonathan Downing
IOS Engineer at Apple
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolJonathan Downing is a senior iOS engineer with 11 years of experience building native apps and platform integrations, currently contributing to Apple from New York. He has moved through consumer fintech and photo-tech startups to a major platform role, bringing practical expertise in Objective-C/Swift and systems-level work like VPN and proxy integrations. His open-source contributions include fixes and enhancements to an OpenVPN adapter used on iOS/macOS, demonstrating attention to security, encoding (NSSecureCoding), and networking edge cases such as synchronous DNS and reconnection robustness. A pilot off-duty and vocal member of the LGBTQ+ community, he blends disciplined attention to detail with a collaborative, product-focused mindset.
11 years of coding experience
7 years of employment as a software developer
University of Bristol
English
Github Skills (6)
objective-c10
ios10
coding9
error-handling8
debugging7
debug7
Programming languages (6)
Github contributions (5)
ss-abramchuk/OpenVPNAdapter
Sep 2017 - Feb 2018
Objective-C wrapper for OpenVPN library. Compatible with iOS and macOS.
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:20 commits, 23 PRs, 27 comments in 5 months
Contributions summary:Jonathan primarily contributed to the Objective-C codebase, focusing on bug fixes and enhancements to the OpenVPN adapter. They addressed a null pointer dereference, added support for NSCopying and NSSecureCoding to several classes, and converted a timestamp to an NSDate object. The user also refactored and updated the OpenVPNAdapter, implemented features related to NEProxySettings and synchronous DNS lookup, and addressed a reconnection problem.
objective-cc-wrappervpniosmacos
JonathanDowning/jonathandowning.github.io
May 2018 - Sep 2023
Contributions:19 pushes, 3 branches in 5 years 5 months
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