Brian Clymer is a Senior Software Engineer specializing in iOS video at Twitch with 13 years of experience building mobile teams and production-grade apps. He led mobile engineering at Hudl and served as Head of Mobile at Travefy, blending technical leadership with hands-on iOS development. His open-source contributions to widely used Swift tools like R.swift and XcodeGen demonstrate attention to developer ergonomics, build-time tooling, and performance-sensitive refactors. Comfortable both as an individual contributor and manager, he has shipped large-scale video features remotely from Omaha, Nebraska. Colleagues rely on him for pragmatic architecture decisions that balance delivery speed and long-term maintainability. He brings a knack for improving developer workflows—an often invisible multiplier in mobile engineering organizations.
A Swift command line tool for generating your Xcode project
Role in this project:
Full-stack Developer
Contributions:21 commits, 2 PRs, 4 pushes in 1 month
Contributions summary:Brian primarily contributed to the codebase by implementing and testing features related to file path globbing and project specification handling within the XcodeGen tool. This included adding support for recursive glob patterns and integrating explicit includes/excludes for source files. The user also refactored code for performance improvements and addressed code review comments, enhancing the overall functionality and maintainability of the project.
Strong typed, autocompleted resources like images, fonts and segues in Swift projects
Role in this project:
Mobile Developer (iOS)
Contributions:6 commits, 4 PRs, 7 comments in 9 days
Contributions summary:Brian contributed to the Swift-based project by addressing resource handling and code generation for iOS projects. Their work included optimizing resource iteration, ensuring consistent output by sorting results, and fixing tests related to directory structures. The user also focused on cleaning up directory scanning code within the project.
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Brian Clymer - Senior Software Engineer - Video (iOS) at Twitch