Data Scientist on SmartNews’s Ads Data Science team, leading product analytics, A/B testing, causal analysis, and analytical pipelines to guide ad-product decisions across JP and US markets.
About this role
The Senior Mobile Engineer joins the Mobile Foundation team, which builds shared technical foundations for SmartNews' iOS and Android apps. The role modernizes a large, active codebase so mobile teams can ship changes while maintaining reliability, performance, and release stability. Work spans modular, testable architecture; production troubleshooting and app performance; and mobile build and release infrastructure, including CI/CD, automated tests, signing, and provisioning. The engineer builds shared tools and automation, monitors build and quality signals, and improves workflows with AI assistance. Design reviews, mentoring, documentation, and on-call triage support the wider mobile teams. Applicants need 4+ years in mobile engineering and deep Kotlin/Android expertise, including modular architecture, dependency injection, concurrency, automated testing, and performance profiling in complex codebases. They must have led cross-team architecture or developer-experience improvements and have hands-on experience with Fastlane, Gradle, CI/CD, dependency management, and release workflows. Agentic coding tools must be used while maintaining code quality and reliability.
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