Hironov Okuyama
Software Developer at Nepula,Inc
Aichi Prefecture, Japan
Summary
👤
Senior🎓
Top SchoolHironov Okuyama is a seasoned software developer with 15 years focusing on geospatial systems and cross-platform mobile apps, currently building Xamarin-based Android/iOS solutions at Nepula. A Microsoft MVP for Visual Studio & Development Technologies since 2016, he blends deep GIS expertise—MapQuest-era product and SDK work—with hands-on mobile engineering in C# and TypeScript. His open-source contributions include enhancing the popular Xamarin.Forms.GoogleMaps library and improving DroidKaigi conference apps, showing attention to UX, map behavior, and timezone/date handling. Based in Aichi, Japan, he routinely integrates GPS, Google/OpenStreetMaps, and serverless patterns into production apps, and often surfaces technical know-how through public writing and sample projects.
15 years of coding experience
19 years of employment as a software developer
コンピュータ・マルチメディア, コンピュータ・マルチメディア at 中部コンピュータ専門学校
Japanese
Stackoverflow
195reputation
13kreached
8answers
0questions
Github Skills (28)
kotlin10
mobile-development10
rxjavafx10
android-sdk10
android-development10
java10
javas10
xamarin-forms10
android-app10
android10
rxjava10
dotnet-core10
android-application10
android-ui10
csharp10
Programming languages (11)
Github contributions (5)
amay077/Xamarin.Forms.GoogleMaps
Jun 2016 - Aug 2022
Map library for Xamarin.Forms using Google maps API
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:72 releases, 1087 commits, 294 PRs in 6 years 3 months
Contributions summary:Hironov implemented and enhanced the Xamarin.Forms Google Maps library, focusing on Android support. The contributions involved adding features such as handling pin click events, implementing the visibility of pins, and the creation of a sample for UWP. Additionally, the user fixed issues related to the correct display of maps and camera positioning on layout changes.
apiuwpgoogle-maps-apiandriodc-sharp
DroidKaigi/conference-app-2018
Jan 2018 - May 2018
The Official Conference App for DroidKaigi 2018 Tokyo
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:12 commits, 3 PRs, 7 comments in 4 months
Contributions summary:Hironov primarily contributed to the Android application's features and functionality. Their work included implementing a map feature with info-window functionality, modifying the search functionality to include an "ignore-prefix" feature for speaker groups, and fixing code styling and import statements. Additionally, they addressed bugs related to session feedback submission and staff data retrieval.
androiddroidkaigikotliniosflutter
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