Alex Leffelman
Senior Software Engineer at Imprint
Milwaukee, Wisconsin, United States
Summary
👤
Senior🎓
Top SchoolAlex Leffelman is a senior software engineer based in Milwaukee with over a decade of hands-on experience building and shipping high-quality iOS apps that have reached #1 on both App Store Top-Free and Top-Paid charts and served millions of monthly active users. He specializes in modern Apple ecosystems—Swift, SwiftUI, Swift Concurrency/Combine, UIKit and Objective-C—while also owning backend and tooling concerns like GraphQL/REST integrations, Realm, Fastlane, CircleCI, and code generation. Alex has a track record of leading teams and improving developer experience through reliable architectures and robust testing (XCTest, hosted UI tests), and he brings full-stack mobile experience from earlier roles spanning Android, Java, and game development. Notably, his career includes long tenure evolving Remind’s iOS client and multifaceted mobile work at Zynga and independent Android releases, reflecting both product-focus and cross-platform dexterity. He combines a musician’s attention to nuance with a coder’s commitment to clarity, frequently scripting automation in Ruby and contributing TypeScript and tooling expertise to accelerate delivery.
12 years of coding experience
15 years of employment as a software developer
B.S. Computer Science, B.S. Computer Science at University of Wisconsin-Madison
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (66)
realtime10
realm10
xctest10
swift10
database10
rum10
xcuitest9
image9
ios9
objective-c9
logging9
graphql9
sqlite9
mobile9
sdk8
Programming languages (5)
Github contributions (5)
LeffelMania/android-midi-lib
Dec 2013 - Dec 2017
Contributions:9 commits, 3 PRs, 4 pushes in 4 years
LeffelMania/i2048
Apr 2014 - Apr 2014
Contributions:45 commits in 15 days
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