Daniel Leonard

Dallas, Texas, United States

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Summary

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Rockstar

🎓

Top School

Daniel Leonard is a senior mobile engineer and team lead with 12 years building polished, user-focused apps across iOS, Android, and Linux environments from Dallas. He blends a hardware-aware background in electrical engineering with deep Swift expertise—contributing UI and quality improvements to popular open-source projects like MessageKit and JSQMessagesViewController. Daniel has led mobile teams at enterprise scale (Citi via Photon) and shipped diverse products from VR guest-tracking systems to shipping and messaging platforms, emphasizing design, testability, and CI/CD automation. He favors fast-paced environments, driving standards, Fastlane/TeamCity pipelines, and dependency-injection patterns to make apps reliable and maintainable. A creator at heart, he documents learnings publicly (iOSCandy) and experiments across platforms, often applying lessons from hardware projects to improve mobile UX and robustness. Colleagues rely on him for pragmatic solutions that balance visual polish with solid engineering.

12 years of coding experience

9 years of employment as a software developer

Associate of Science (A.S.), Electrical and Electronics Engineering, Associate of Science (A.S.), Electrical and Electronics Engineering at Dixie State University

Computer Science, Computer Science at Brigam Young University Idaho

English

Stackoverflow

Stats

3,363reputation

1.9mreached

171answers

3questions

Badges

chat

top-5%

swift

top-5%

Github Skills (19)

ios10

ui-design10

xcode10

uid10

front-end-development10

messagekit10

swift10

unit-testing9

user-interface9

graphical-user-interface9

chat9

cocoapods8

macos6

iphone6

uisegmentedcontrol6

Programming languages (8)

JavaC++CObjective-CHTMLSwiftRubyKotlin

Github contributions (5)

jessesquires/JSQMessagesViewController

May 2016 - Nov 2016

An elegant messages UI library for iOS

Role in this project:

Mobile Developer (iOS)

Contributions:15 commits, 44 PRs, 1 branch in 6 months

Contributions summary:Daniel primarily contributed to the Swift implementation of the iOS UI library JSQMessagesViewController. They developed Swift examples, integrated UI components, and added features like avatar display control and bubble customization based on user settings. Their work included setting up the initial view, adding settings for avatar visibility, and dynamic type support for the input bar, showcasing a focus on UI and feature enhancements within the iOS framework. Further contributions involved updating pod files and refactoring code.

ios-uiui-libraryiosmessagingmessenger

MacMeDan/macmedan.github.io

Nov 2016 - Dec 2021

PersonalBlog

Contributions:4 PRs, 73 pushes, 6 branches in 5 years 1 month

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