Senior Native Mobile Engineer — iOS/Android, Remote-First

Coinbase, Inc.; Northern (KY); Hybrid; USD 186,000 - 219,000; Full time

Job summary

Coinbase, Inc. is hiring a Senior Software Engineer, Native Mobile for the App Infra team in the Consumer & Business group.

You will lead the rewrite from React Native to native Swift and Kotlin, applying AI-assisted code generation to deliver high-quality experiences for millions of users. You will own core mobile surfaces, ensure performance targets, and collaborate with product teams during onboarding to maintain architecture quality and parity across native and React Native codebases.

Qualifications

• 5+ years of iOS or Android mobile software engineering experience (Swift/iOS or Kotlin/Android).
• Demonstrated ability to build and ship performant mobile applications with focus on frame stability, cold start optimization, and responsive UI across diverse device populations.
• Proficiency in Swift or Kotlin with working knowledge of the other, and willingness to develop cross-platform fluency.
• Experience with mobile CI/CD pipelines, build systems, and release processes, with a track record of delivering project-level outcomes.
• Uses generative AI responsibly, maintaining human oversight to deliver business-ready outputs and measurable gains in workflow efficiency, cost, and quality.

Responsibilities

• Accelerate frontend engineers by defining architectural patterns and improving build speeds.
• Own development of core app surfaces in Swift and Kotlin, translating React Native flows to native implementations.
• Build within the AI-assisted code generation loop to translate and validate native architectures.
• Partner with product teams during onboarding to review native PRs and address issues in the native vs React Native codebases.
• Drive performance optimization across device tiers, reduce loading indicators and jank, especially on low-end Android devices.
• Support the parity strategy during transition, aligning features and bug fixes across codebases.

Skills

Mobile engineering

Swift

Kotlin

AI-assisted code

Cross-platform fluency

Job description

Coinbase, Inc. is hiring a Senior Software Engineer, Native Mobile for the App Infra team in the Consumer & Business group.

You will lead the rewrite from React Native to native Swift and Kotlin, applying AI-assisted code generation to deliver high-quality experiences for millions of users. You will own core mobile surfaces, ensure performance targets, and collaborate with product teams during onboarding to maintain architecture quality and parity across native and React Native codebases.