Takeshi Yamashita
Software Engineer at CyberAgent
Fukuoka Prefecture, Japan
Summary
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RockstarTakeshi Yamashita is a software engineer with 11 years of experience based in Fukuoka, Japan, currently building products at CyberAgent. He specializes in backend engineering and has hands-on experience maintaining and extending cross-platform libraries for in-app purchase verification, contributing fixes and features to the well-used go-iap project. Comfortable working across App Store, Google Play, Amazon, and Huawei ecosystems, he focuses on robust receipt validation, notification processing, and keeping dependencies and tests healthy. Colleagues describe him as pragmatic and detail-oriented, balancing product needs with long-term maintainability. Outside work he’s a sushi-loving sports fan, which hints at a disciplined but collaborative approach to engineering.
11 years of coding experience
Github Skills (8)
appstore10
go10
iab10
google-iap10
api-design9
billing9
api9
apim9
Programming languages (8)
Github contributions (5)
awa/go-iap
Sep 2020 - Nov 2022
go-iap verifies the purchase receipt via AppStore, GooglePlayStore, AmazonAppStore and Huawei HMS.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:51 releases, 131 reviews, 47 commits in 2 years 2 months
Contributions summary:Takeshi primarily contributed to the `go-iap` repository by addressing issues and adding features related to in-app purchase verification across various app stores (AppStore, GooglePlayStore, AmazonAppStore, and Huawei HMS). Their work included fixing tests, modifying data structures, and updating package dependencies. The contributions demonstrate a focus on maintaining and extending the functionality of the library, particularly in handling receipt validation and notification processing.
googleplaystoreappstorestorekitsubscriptionpurchase-receipt
takecy/react-manager
Apr 2015 - Sep 2020
Management console for any services inspired by ng-manager
Contributions:2 PRs, 28 pushes, 12 branches in 5 years 5 months
console
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