Guillermo Perelló is an Engineering Manager based in Vienna with 11 years of experience building native iOS and Android apps and leading mobile teams. He progressed from iOS engineer to mobile team lead and now manages engineering at Journi, combining hands-on development with people and delivery leadership. His background in computer vision and a published saliency-detection algorithm reveals strong algorithmic and C++ experience alongside mobile expertise. An active open-source contributor, he authored a suite of Swift property wrappers that simplify common patterns and include comprehensive tests, showing attention to developer ergonomics. Fluent in bridging research-grade image processing and product-focused mobile development, he excels at turning complex technical problems into maintainable, production-ready solutions.
A collection of Swift Property Wrappers (formerly "Property Delegates")
Role in this project:
Mobile Developer
Contributions:3 releases, 47 commits, 4 PRs in 3 months
Contributions summary:Guillermo implemented a collection of Swift property wrappers, or "burritos", designed to enhance Swift development. They added various wrappers like `Lazy`, `UserDefault`, `LateInit`, `Copying`, `AtomicWrite`, `DynamicUIColor`, `UndoRedo`, `Expirable`, `Clamping`, and `Trimmed`, each serving a specific purpose to simplify common coding tasks. The user also created corresponding tests for each of these property wrappers.
Contributions:2 PRs, 23 pushes, 1 branch in 7 years 4 months
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