MUTT DATA

Senior React Native Engineer

MUTT DATA

full-time

Posted on:

Location Type: Remote

Location: Argentina

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Job Level

Senior

Tech Stack

AndroidApolloGraphQLiOSJestKotlinObjective-CReactReact NativeReduxSQLiteSwift

About the role

  • Lead the design and implementation of scalable React Native applications (iOS + Android).
  • Contribute to architectural decisions, including adoption of the React Native New Architecture (JSI, Fabric, TurboModules).
  • Build and maintain native module integrations (Swift, Kotlin, Objective-C)
  • Implement robust state management and server-state strategies.
  • Ensure high performance and optimized rendering across devices.
  • Own release processes for App Store and Google Play.
  • Implement and maintain CI/CD pipelines and OTA updates.
  • Drive testing strategy (unit, integration, e2e).
  • Conduct structured and actionable code reviews.
  • Communicate technical trade-offs clearly to cross-functional stakeholders.
  • Lead or contribute to major refactors and architectural migrations.

Requirements

  • Strong experience with React Native, including the New Architecture (JSI, Fabric, TurboModules).
  • Native module integration using Swift, Kotlin, or Objective-C.
  • Experience with Expo (managed and bare workflow).
  • React Navigation v6+.
  • Advanced animations using Reanimated 3, Skia, or Lottie.
  • State management with Redux Toolkit, Zustand, or Jotai.
  • Server-state handling using React Query or SWR.
  • Implementation of offline-first patterns (MMKV, WatermelonDB, SQLite).
  • Experience integrating REST and GraphQL APIs (Apollo or URQL).
  • Testing experience with Jest, React Native Testing Library, and Detox.
  • Performance profiling using Flipper, Xcode Instruments, or Android Profiler.
  • CI/CD pipelines using EAS Build, Fastlane, GitHub Actions, or Bitrise.
  • OTA updates via EAS Update or CodePush.
  • App Store and Google Play release management.
  • Error monitoring tools such as Sentry or Datadog.
  • Experience working with modular monorepo patterns (Nx or Turborepo) Feature-based architecture, code splitting strategies, and design systems.
  • Excellent English proficiency (written and spoken) – mandatory.
Benefits
  • 🌍 Remote-first culture – work from anywhere!
  • 🚀 In-Company English Lessons.
  • 💪 Wellhub or sports club stipend to stay active
  • 🚀 AWS, DBT, Google Cloud, Azure & Databricks certifications fully covered
  • 🍕 Food credits via Pedidos Ya – because great work deserves great food.
  • 🎂 Birthday off + an extra vacation week (Mutt Week! 🏖️)
  • 🤝 Referral bonuses – help us grow the team & get rewarded!
  • ✈️🏝️ Annual Mutters' Trip – an unforgettable getaway with the team!
Applicant Tracking System Keywords

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

Hard Skills & Tools
React NativeSwiftKotlinObjective-CExpoReact NavigationRedux ToolkitReact QueryJestCI/CD
Soft Skills
communicationleadershipcode reviewarchitectural decisionstesting strategy