Derek Ostrander
Software Engineer at Meta
Town of Cobleskill, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolDerek Ostrander is a software engineer with 11 years of iOS-focused experience who now drives developer experience and CI infrastructure at Meta after an eight-year tenure at Square. He builds frameworks and tooling that boost developer productivity—recent work includes Bazel-based CI systems and cross-team frameworks—and contributes to notable open-source projects like SwiftGen and CocoaPods. Derek combines deep feature development chops (iOS, testing and automation) with DevOps pragmatism, having migrated projects to CircleCI and hardened build/test pipelines. He’s also fixed subtle platform bugs in KIF for iOS 14 touch events and added parsing and CLI integrations for SwiftGen’s “51 Fonts,” showing an eye for both user-facing features and robust developer tooling. Based in upstate New York and a Syracuse CS graduate, he enjoys turning brittle workflows into fast, reliable developer experiences.
11 years of coding experience
12 years of employment as a software developer
Bachelor of Science (BS), Computer Science, Bachelor of Science (BS), Computer Science at Syracuse University
Github Skills (41)
dependency-manager10
uitest10
objective-c10
code-generator10
ios10
testing10
bash10
build-system10
stencil10
html-template10
python-templates10
cicd10
xctest10
package-manager-tool10
xcode10
Programming languages (8)
Github contributions (5)
kif-framework/KIF
Jun 2020 - Sep 2022
Keep It Functional - An iOS Functional Testing Framework
Role in this project:
Mobile Developer (iOS) & QA Engineer / Test Automation Engineer
Mobile Developer (iOS) & QA Engineer / Test Automation EngineerContributions:14 releases, 36 reviews, 132 commits in 2 years 3 months
Contributions summary:Derek primarily contributed to the KIF framework, an iOS functional testing framework, by addressing bugs and improving test coverage. They fixed crashes related to iOS 14 touch events, addressed date picker formatting issues, and enhanced long-press and autocorrect tests. The user also implemented improvements to the testing framework, fixing issues and refactoring some tests.
objective-ctesting-frameworkkeepfunctional-testingtesting
SwiftGen/SwiftGen
Mar 2016 - Nov 2016
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:47 commits, 11 PRs, 10 pushes in 8 months
Contributions summary:Derek primarily contributed to the implementation of the "51 Fonts" feature, adding a parser for fonts and developing related stencil templates. They also added JSON parsing capabilities for color files, including tests for the new functionality. Additionally, the user integrated the new font features into the command-line interface (CLI) and updated the playground demo to showcase the "51 Fonts" functionality.
localizablestoryboardsstringuiimagestrings
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.