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Fig

Senior Mobile Engineer, React Native

Fig

. Design, build, and ship features in the React Native and Expo app, from onboarding and account management to money movement .

Posted 11/6/2026full-timeToronto • CanadaSenior💰 CA$150,000 - CA$170,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building and shipping production React Native applications, with a strong focus on mobile release processes, app quality, and security practices. Proficient in collaborating with cross-functional teams to enhance developer experience and establish engineering standards.

Highest-signal resume keywords
React Native Application DevelopmentExpo Build/Submit ExperienceMobile Release Process OwnershipPerformance Optimization in React NativeAI Tools Utilization in Development

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
TypeScriptReact FundamentalsMobile Security PracticesNative Module DevelopmentBackend-for-Frontend ExperienceAPI DevelopmentPerformance DiagnosisCI PipelinesFeature Flags ImplementationSession Management
Soft Skills
Pragmatic Decision-MakingClear Communication of Trade-OffsMentoring
Tools & Technologies
EAS BuildApp StoreGoogle PlayDetoxSentryWCAGComponent LibrariesAI Coding ToolsExpo ModulesMaestro
Industry Keywords
FintechBankingPaymentsRegulated Environment

Tech Stack

Tools & technologies
JavaScriptKotlinNode.jsPostgresReactReact NativeSwiftTypeScript

About the role

Key responsibilities & impact
  • Design, build, and ship features in the React Native and Expo app, from onboarding and account management to money movement
  • Own the mobile release process end-to-end, including EAS builds, App Store and Google Play submissions, OTA updates, feature flags, and staged rollouts
  • Improve mobile developer experience through local tooling, CI pipelines, and build-time improvements
  • Drive app quality, including performance, startup time, stability, crash-free rate, and accessibility
  • Implement security-critical mobile capabilities such as biometric authentication, secure storage, device integrity checks, and session management
  • Shape and contribute to the APIs used by the mobile app alongside backend engineers
  • Partner with Design to build a shared component library and polished, consistent user experience
  • Use AI tools and agents to accelerate development, testing, and shipping
  • Raise engineering standards through code review, testing practices, and mentoring
  • Collaborate with Product, Design, Risk, Compliance, Operations, backend engineers, and the CISO
  • Help establish mobile patterns, tooling, standards, and paved roads for other engineers

Requirements

What you’ll need
  • 6+ years of professional software engineering experience, including 3+ years building and shipping production React Native apps in TypeScript
  • Hands-on experience with Expo, including EAS Build/Submit and OTA updates
  • Experience owning App Store and Google Play releases
  • Strong React fundamentals
  • Experience diagnosing and fixing React Native performance issues
  • Daily use of AI coding tools, with judgment to review and validate output
  • Experience using AI tools in operations work such as incident investigation
  • Ability to make pragmatic technical decisions and communicate trade-offs clearly
  • Nice to have: NestJS and PostgreSQL
  • Nice to have: Backend-for-frontend or API gateway experience
  • Nice to have: Fintech, banking, payments, or regulated-environment experience
  • Nice to have: Mobile security practices, including certificate pinning, jailbreak/root detection, and secure token storage
  • Nice to have: Native module development in Swift or Kotlin, including Expo Modules
  • Nice to have: Detox, Maestro, Sentry, WCAG, design systems, and component libraries
  • Nice to have: Agentic development workflow experience
  • Nice to have: Backend services and API development, ideally in TypeScript and Node.js

Benefits

Comp & perks
  • Annual incentive bonus tied to performance
  • Employer matching retirement savings program
  • Medical, dental, and vision group insurance
  • Health and wellness spending accounts
  • Generous vacation and wellness time
  • Parental leave top-up
  • Continuing education stipend
  • Hybrid work environment with remote and in-office work