Senior Mobile Cross Platform Engineer

About The Role

The base salary offered for this role and level of experience will begin at $164,000.00 and up to $227,000.00. Full-time employees are also eligible for a bonus, competitive equity package, and benefits.

Responsibilities

• Build and maintain internal React Native frameworks, developer tooling, and shared infrastructure.
• Collaborate with product and infrastructure teams to improve app quality, performance, and observability.
• Automate mobile CI/CD and release orchestration, reducing manual effort and increasing reliability.
• Drive mobile platform upgrades and manage compatibility across native modules and third-party libraries.
• Design and improve tooling that saves engineers time and helps them resolve issues independently.
• Partner with QA to lead Chime’s mobile release process across iOS and Android.
• Write documentation and guidance that scales your knowledge and empowers other engineers.

Requirements

• 5+ years of experience in cross-platform, mobile development—ideally with React Native.
• Strong fluency in TypeScript and familiarity with React, React Native, and related libraries.
• Experience with iOS or Android build, configuration, and distribution systems.
• A track record of profiling and improving app performance.
• Familiarity with observability and analytics tools like Bugsnag, Datadog, Sentry, or Amplitude.
• Knowledge of GraphQL, Apollo, and schema generation.
• Experience with mobile CI/CD tools such as Bitrise, CircleCI, or GitHub Actions.

Qualifications

• A collaborative mindset, strong communication skills, and a drive to document and share what you build.

Skills

• Experience with feature flag systems, runtime controls, or OTA delivery frameworks (e.g., Expo Updates, CodePush).
• Experience building and deploying AI-supported engineering workflows, leveraging tools like Cursor, Claude Code, or Figma Connect.
• Worked on mobile apps used by millions of users.
• Familiarity with state management tools like Redux, React Context, AsyncStorage, or MMKV.
• Helped define and scale mobile quality practices and testing frameworks.

Benefits

In this role, you can expect to:

• Build and maintain internal React Native frameworks, developer tooling, and shared infrastructure.
• Collaborate with product and infrastructure teams to improve app quality, performance, and observability.
• Automate mobile CI/CD and release orchestration, reducing manual effort and increasing reliability.
• Drive mobile platform upgrades and manage compatibility across native modules and third-party libraries.
• Design and improve tooling that saves engineers time and helps them resolve issues independently.
• Partner with QA to lead Chime’s mobile release process across iOS and Android.
• Write documentation and guidance that scales your knowledge and empowers other engineers.