A

Senior Mobile SDK Engineer

Japan
Visa Sponsorship
This Job is No Longer Active This position is no longer accepting applications
AI Summary

Architect and maintain Appier's unified mobile growth stack across iOS, Android, React Native, Flutter, and Web. Build high-performance, privacy-first SDK features for engagement, monetization, and measurement while leading AI-assisted engineering and cross-platform consistency. Requires 5+ years of mobile SDK experience, expert Swift/Kotlin, and AI coding agent proficiency.

Key Highlights
Cross-platform SDK architecture (iOS, Android, React Native, Flutter, Web)
Privacy-first implementation (Apple Privacy Manifests, Android Privacy Sandbox)
AI coding agent integration for design, code reviews, and mentoring
Key Responsibilities
Architect cross-platform SDKs with identical behavior across iOS, Android, React Native, Flutter, and Web
Develop high-value features for engagement (real-time tracking, push notifications, AI recommendations) and monetization/measurement
Lead root-cause investigations, maintain SLOs/crash-free rates, and manage CI/CD, automated testing, semantic versioning, and backward compatibility
Utilize AI coding agents daily to optimize design and code reviews, mentor engineers, and elevate team standards

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Technical Skills Required
Swift Kotlin CI/CD Automated Testing
Benefits & Perks
Hybrid work model in Taipei/Tokyo CBDs
Competitive benefits
Dedicated budget for AI tooling and continuous learning

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Nice to Have
Flutter or React Native experience
Web technologies (JS/TypeScript, WebView bridges)
AdTech experience including mobile ad SDKs, mediation platforms, and attribution
On-device ML inference (Core ML, ML Kit)
MCP tools, agent skills, RAG pipelines
Mentoring engineers and managing client escalations

Job Description

Appier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information.
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Job Overview
Posted Jul 15, 2026
Employment Full-time
Experience Not Applicable
Location Japan
Category Mobile
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