Satoshi Namai is an experienced iOS engineer with 12 years building mobile products and platforms, currently contributing to FamilyAlbum at mixi America while based in Bristol. He blends deep Swift expertise with backend and DevOps skills—Ruby, AWS, CI/CD automation and fastlane—gained from early full-stack roles and running production infrastructure. At Cookpad he shipped cross-platform features using SwiftUI and Jetpack Compose, built release automation (fastlane, Bitrise migrations, Renovate) and even automated RTL screenshot generation for App Store pipelines. An active open-source contributor, he improved critical fastlane screenshot flows and validators to make app releases more reliable and debuggable. Pragmatic and curious, he also prefers Emacs and occasionally prototypes web services in TypeScript and Python, bringing a rare cross-domain fluency to mobile platform problems.
12 years of coding experience
13 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at The University of Electro-Communications
🚀 The easiest way to automate building and releasing your iOS and Android apps
Role in this project:
Mobile Developer (iOS) & Automation Engineer
Contributions:233 reviews, 64 commits, 47 PRs in 11 months
Contributions summary:Satoshi primarily focused on enhancing the screenshot upload process within the fastlane project. Their contributions included improving efficiency, adding unit tests to cover retry flows and other edge cases. They also implemented changes to optimize metadata uploading speed, specifically for screenshots, and addressed issues related to screenshot uploads when the `overwrite_screenshot` option was disabled. Moreover, they refined the screenshot validation process by implementing an `AppScreenshotValidator` to prevent crashes and improve debugging information.
A Swift library that helps you build stunning App Store screenshots with SwiftUI
Contributions:1 release, 84 commits, 2 PRs in 2 years
app-storeswift-libraryscreenshotsstunningswift
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Satoshi Namai - IOS Engineer at mixi America, Inc.