Rastislav Mirek is a CEO and lead software developer with 11 years of experience building cross-platform mobile systems, specializing in Flutter, Swift and iOS. He leads a Brno-based team delivering complex multi-app solutions for medical, automotive and enterprise clients while also providing technical consultancy and CTO-level guidance. A seasoned UX advocate and lecturer at Masaryk University, he blends hands-on engineering with user-centered design and software architecture best practices. Rastislav has a track record of impactful open-source iOS contributions—enhancing widely used image-cropping tooling for better customization and integration. He also sits on an executive board for a manufacturing firm, showing he operates comfortably at the intersection of product, business and technology. Known for high standards in code quality and pragmatic leadership, he mentors teams to ship reliable, polished products.
11 years of coding experience
7 years of employment as a software developer
Master of Science (M.S.), Informatics, Master of Science (M.S.), Informatics at Masaryk University Brno
A view controller for iOS that allows users to crop portions of UIImage objects
Role in this project:
Mobile Developer (iOS)
Contributions:10 commits, 1 PR, 2 comments in 1 month
Contributions summary:Rastislav primarily contributed to the iOS-specific image cropping view controller. They added the ability to set a maximum zoom scale, fixed a crash related to importing the library into another project, and made the `CropViewController` class open, allowing for customization through overrides and the hiding/showing of the navigation bar. The user also updated the codebase by re-integrating pods, and exposing the `foregroundContainerView` to permit operations like Hero animations, enhancing the view controller's flexibility and integration capabilities.
Modern color picker library written in Swift 5 that can be easily extended and customized. It aims to provide great UX and performance with stable, quality code.
Contributions:5 releases, 144 commits, 5 PRs in 3 years 4 months
code-qualityiosui-componentscolor-palettehsb
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