B284. Mobile App Engineer - Customer Management Screen (Iris) - Contract WorkEnglish summary from Japanese

株式会社 UPSIDER

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Salary

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Job Type

Freelance, 副業, フリーランス

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Role summaryEnglish summary from Japanese

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

UPSIDER is developing a new white-label corporate card platform called Iris, launching in July 2025. We are seeking mobile app engineers to develop and release the customer-facing mobile application using Flutter.

Must-haves

Experience developing mobile applications with Flutter/Dart
Experience releasing Android or iOS apps
Experience and mindset in efficient development using AI tools (e.g., Claude Code, Devin, GitHub Copilot)

Nice-to-haves

Experience designing and developing native Android or iOS applications
Knowledge of UI/UX based on Material Design / Human Interface Guidelines

Tech stack

FlutterDartiOSAndroidClaude CodeDevinGitHub Copilot

Work style

Contract Work

About the Company

株式会社 UPSIDER