Hironobu Iga
Software Engineer at 株式会社エクサウィザーズ/ExaWizards Inc.
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolHironobu Iga is a versatile software engineer based in Tokyo with 10+ years building mobile-first products and backend systems, from new business prototypes to flagship apps with tens of millions of users. He combines deep iOS expertise (Swift, SwiftUI, MVVM/VIPER, RxSwift/Combine) with Flutter and Ktor/Kotlin server-side work, often owning whole-service architecture and API design. As a former technical team lead and department head, he pairs hands-on implementation with project management and client negotiation experience from SI engagements. Recently he’s been shaping cross-platform and cloud-enabled solutions, including contributions to the widely-used DroidKaigi 2021 iOS app. He regularly explores cutting-edge areas like AI agent tech and AWS cloud services in R&D roles, reflecting a habit of blending research with product delivery. His background in physics and appetite for system-level thinking give him a strong analytical edge in designing scalable, maintainable architectures.
10 years of coding experience
7 years of employment as a software developer
Master’s Degree, Physics, Master’s Degree, Physics at Nagoya University
Japanese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
swift10
ios10
composable-architecture10
ui-design9
jetpack-compose3
kotlin3
android-jetpack3
Programming languages (7)
Github contributions (5)
DroidKaigi/conference-app-2021
Sep 2021 - Oct 2021
The Official App for DroidKaigi 2021
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:4 reviews, 13 commits, 5 PRs in 7 days
Contributions summary:Hironobu focused on developing the iOS application for the DroidKaigi 2021 conference app. They primarily worked on the "About" section of the app, implementing features related to displaying staff and contributors, and integrating a web view. The user also made significant UI changes, including the addition of a segmented control and previews for different screen states. Furthermore, they performed refactoring and renaming of UI elements.
jetpack-composejetpack-androidkotlin-multiplatformandroiddroidkaigi
HironobuIga/LocationChecker
Jul 2018 - Aug 2018
Contributions:55 commits, 51 pushes, 1 branch in 29 days
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