Dev033_Principal (Mobile Engineer) / Full-time EmployeeEnglish summary from Japanese

株式会社カウシェ

✓ Detailed

Salary

年収

Location

東京本社〒150-0041 東京都渋谷区神南1丁目12-16 アジアビル9F 出社頻度：ハイブリッド出社（週3日の出社） ※変更の範囲：本社および全国の支社、営業所

Job Type

Full-time

Work Style

フレックスタイム制（正社員は全職種に適用）

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Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Kauche is seeking a Principal Mobile Engineer to solve complex technical challenges in their mobile platform, which supports 7 million downloads and high user engagement. This senior role involves leading architectural improvements and driving AI-native development processes across both iOS and Android.

Must-haves

8+ years of experience in iOS or Android app development and operations.
Proven track record of leading solutions for advanced technical challenges in large-scale, high-traffic mobile apps (performance, reliability, complex state management, architecture design).
Ability to make technical judgments across both iOS and Android, leveraging expertise in one OS and AI for the other.
Experience in defining and disseminating technical policies, design standards, and coding conventions within an organization.
Ability to take ownership and handle tasks from design to implementation and operation.

Nice-to-haves

Practical development experience in both iOS and Android.
Experience building and operating CI/CD pipelines (Bitrise, GitHub Actions, etc.).
Experience implementing performance optimizations for large-scale traffic.

About the Company

株式会社カウシェ

Dev033_Principal (Mobile Engineer) / Full-time EmployeeEnglish summary from Japanese

Role summaryEnglish summary from Japanese

Must-haves

Nice-to-haves

About the Company

Tech stack

Work style

Other notes