Hiroshi Kimura

Background

About Hiroshi Kimura

iOS Engineer with deep expertise in UIKit, Core Animation, SwiftUI, and Swift language features. Technical Depth - Expert in UIKit internals and Core Animation (layer trees, implicit/explicit animations, custom transitions)- Strong multi-threading skills: thread safety, synchronization, and Swift Concurrency—honed through building state management libraries - Reverse engineering Apple frameworks and private APIs to understand how things truly work - Proficient in SwiftUI with practical large-scale migration experience - Strong grasp of Swift: generics, macros, concurrency, result builders Architecture & Scalability - Designed multi-module architecture enabling 50+ feature modules to scale independently - Built systems that keep large codebases maintainable as teams grow Component-Driven Development - Created reusable design systems and UI component libraries - Bridged UIKit and SwiftUI with consistent patterns Open Source - Founder of VergeGroup - State management (Verge, swift-state-graph)- Founder of FluidGroup - Fluid, gesture-driven UI libraries built on Core Animation expertise Curious engineer who digs deep. Building tools and systems that scale.