Kyohei Ito
エンジニア at CyberAgent, Inc.
Chiyoda, Japan
Summary
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SeniorKyohei Ito is a seasoned engineer based in Chiyoda, Japan with 12 years of experience building both iOS and web applications. At CyberAgent since 2011 he has delivered production-grade software while also contributing to open-source projects that improve developer experience and performance. His GitHub shows hands-on expertise in iOS UI optimization—authoring a high-performance DynamicBlurView with asynchronous processing and modern Swift refactors—and in backend systems, where he improved grpc-swift with compilation optimizations and cancelable calls. Practical and detail-oriented, he focuses on code quality, maintainability, and performance tuning across the stack. Colleagues can expect a pragmatic engineer who balances user-facing polish with robust low-level improvements.
12 years of coding experience
Github Skills (9)
uiimage10
swift10
uikit10
ios10
grpc10
protocol-buffers10
coregraphics9
code-generation9
testing8
Programming languages (6)
Github contributions (5)
KyoheiG3/DynamicBlurView
Apr 2015 - Sep 2021
DynamicBlurView is a dynamic and high performance UIView subclass for Blur.
Role in this project:
iOS Developer
iOS DeveloperContributions:3 releases, 87 commits, 28 PRs in 6 years 6 months
Contributions summary:Kyohei primarily contributed to the implementation and enhancement of a dynamic blur view for iOS applications. Their work includes the initial project setup, refactoring the Swift code to support Swift 1.2 and Swift 3.0, and adding asynchronous processing to improve performance. They also added features such as blend color, blur ratio, and dynamic modes, alongside modifications to the sample project to showcase these features.
bluruiviewperformanceswiftios
grpc/grpc-swift
Oct 2017 - Jul 2019
The Swift language implementation of gRPC.
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 commits, 5 PRs, 13 comments in 1 year 8 months
Contributions summary:Kyohei primarily focused on improving the Swift implementation of gRPC. They optimized compilation processes by modifying code generation templates. The user also fixed various tests within the project, suggesting a focus on code quality and maintainability. Furthermore, the user added the ability to cancel gRPC calls, enhancing the framework's robustness and control.
protocol-buffersgrpcswiftswift-languageswift-grpc
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