Colton Schlosser
Principal Software Engineer at Gopuff
Fargo, North Dakota, United States
Summary
🤩
Rockstar🎓
Top SchoolColton Schlosser is a Principal Software Engineer with 12 years of experience building reliable backend systems and improving developer tooling, currently based in Fargo, North Dakota and leading engineering work at Gopuff. He has a strong track record at scale through roles at TripAdvisor and Gopuff, progressing from software engineer to principal-level responsibilities. An active open-source contributor, Colton has improved core Ruby tooling in CocoaPods and strengthened test coverage for the Swift compiler driver, demonstrating attention to developer experience and correctness. He blends hands-on coding, test automation, and refactoring to reduce friction in dependency and build systems. Colton’s background in both computer science and computer engineering and early experience as a teaching assistant and test automation intern underscore his practical mentoring approach and commitment to quality.
12 years of coding experience
6 years of employment as a software developer
Computer Science and Computer Engineering, Computer Science and Computer Engineering at University of Minnesota
English
Github Skills (13)
dependency-manager10
package-manager-tool10
unit-testing10
objective-c10
swift10
package-manager10
cocoapods10
ruby9
compiler-design9
ios8
macos8
build-automation7
test-automation7
Programming languages (14)
Github contributions (5)
swiftlang/swift-driver
Oct 2019 - Jul 2021
Swift compiler driver reimplementation in Swift
Role in this project:
Backend Developer & Test Automation Engineer
Backend Developer & Test Automation EngineerContributions:222 reviews, 62 commits, 52 PRs in 1 year 8 months
Contributions summary:Colton primarily focused on adding and completing unit tests for the Swift compiler driver. They introduced and implemented tests for various compiler features, including PCH generation, and addressed failures found during testing. They also added jobs to the build planning for generate PCH, and fixed issues around its import and handling of the -version argument, improving the reliability and test coverage of the project. The contributions involved code modifications within the testing framework and the core driver logic.
compilerswiftreimplementationswift-compiler
CocoaPods/CocoaPods
Jun 2020 - Oct 2020
The Cocoa Dependency Manager.
Role in this project:Back-end Developer
Back-end DeveloperContributions:10 commits, 2 PRs, 43 comments in 4 months
Contributions summary:Colton's contributions primarily involve modifying CocoaPods' internal logic. They focused on improving the handling of versions and repositories, specifically addressing issues related to the "source changed" message and prerelease versions. Their work included refactoring code to satisfy linter requirements and incorporating a feature to ignore prerelease versions when identifying the latest pod version. These changes suggest a focus on enhancing the reliability and user experience of the dependency manager.
cocoapodsobjective-cpackage-managermacdependency-manager
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