Chris Ballinger
Berkeley, California, United States
Summary
🤩
Rockstar🎓
Top SchoolChris Ballinger is a product-focused senior iOS engineer and tech lead in Berkeley with 14 years of experience delivering production mobile apps and mentoring cross-functional teams. Currently an IC4 Tech Lead at Dropbox, he combines hands-on engineering, product thinking, and people leadership—previously serving as iOS Architect at Rightpoint where he led a 15+ developer discipline and managed direct reports. An entrepreneur and privacy advocate, Chris founded ChatSecure, a decentralized end-to-end encrypted chat app now used in 28 languages with over 100k sessions per day, and co-founded OpenWatch/Kickflip. He is an active open-source contributor who specializes in test automation, CI/CD and networking tooling—improving projects like XCTestHTMLReport, CocoaAsyncSocket and XMPP frameworks—and holds a B.S. in Electrical Engineering from Penn State.
15 years of coding experience
14 years of employment as a software developer
Bachelor of Science, Electrical Engineering, Bachelor of Science, Electrical Engineering at Penn State University
Stackoverflow
796reputation
21kreached
15answers
5questions
Github Skills (43)
xcode1010
unit-testing10
uitest10
objective-c10
xmpp10
ios10
junit510
testing10
fastlane10
xctest10
homebrew10
xcode10
junit10
ci-cd10
build-automation10
Programming languages (19)
Github contributions (5)
robbiehanson/KissXML
Sep 2015 - Nov 2020
A replacement for Cocoa's NSXML cluster of classes. Based on libxml. Works on iOS.
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:13 releases, 2 reviews, 78 commits in 5 years 2 months
Contributions summary:Chris's commits primarily focus on enhancing the testing infrastructure of the project. They added new test targets for iOS and Swift, indicating an effort to expand test coverage across different platforms. The commits reveal the implementation of new tests and adjustments to existing ones, along with fixes to address compiler errors and improve test reliability, specifically related to testing the core functionality of the KissXML library. These changes involved modifying test files and ensuring compatibility with various Swift versions.
objective-cswiftiosmacoscluster
robbiehanson/XMPPFramework
Sep 2012 - Feb 2021
An XMPP Framework in Objective-C for Mac and iOS
Role in this project:Back-end Developer
Back-end DeveloperContributions:4 releases, 10 reviews, 253 commits in 8 years 6 months
Contributions summary:Chris upgraded the libidn library to version 1.25, removing support for armv6 and adding support for armv7s. The user also fixed a spelling error, added support for Google OAuth2, and added support for NSSecureCoding. Additional commits involved fixing the serverless demo project, and adding support for XMPP URIs (XEP-0147) and the XEP-0334 (Message Processing Hints).
objective-cxmppmacswiftios
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