Tim Riley is a Principal Engineer with 18 years of experience building and reshaping backend systems, currently leading engineering at The Lookout Way from Canberra. A seasoned Rubyist and project lead in the hanami and dry-rb ecosystems, he’s driven architecture-level refactors—introducing dry-system application structures and improving type-safe validation behavior in widely used libraries. His career spans senior engineering and leadership roles at Buildkite and Culture Amp, combining hands-on refactoring with team and delivery leadership. Tim’s background in ops and DevOps work informs pragmatic build and deployment improvements, and his BA in Politics and Spanish hints at a broader analytical and communication skillset that supports cross-functional collaboration.
17 years of coding experience
21 years of employment as a software developer
Bachelor of Arts - BA, Politics, Spanish, Bachelor of Arts - BA, Politics, Spanish at University of Adelaide
Contributions:218 reviews, 121 commits, 335 PRs in 3 years 10 months
Contributions summary:Tim primarily focused on refactoring the Hanami framework's internal structure, specifically renaming core classes and methods like `Hanami.application` and `app`. They introduced a new, dry-system-powered application and slice structure, indicating a shift in the framework's architecture. Furthermore, the user implemented application settings and configured the container with the application's inflector, revealing contributions to core framework components and improved flexibility. They also made contributions to routing and added fixes for Ruby 2.7 keyword argument warnings.
Validation library with type-safe schemas and rules
Role in this project:
Back-end Developer
Contributions:16 commits, 14 PRs, 17 pushes in 5 years 10 months
Contributions summary:Tim contributed to the `dry-validation` library by fixing bugs, adding test cases, and updating the codebase. Their work included addressing issues related to nested schemas and ensuring correct behavior with group rules. Additionally, they bumped the library version multiple times and updated the configuration to align with changes in `dry-configurable`. These contributions indicate an active role in maintaining and improving the core functionality of the validation library.
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