Mutt Data - Senior React Native Engineer
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Requirements
• React Native & Mobile: • 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 & Data: • 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). • Quality & Tooling: • 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 • Architecture: • Experience working with modular monorepo patterns (Nx or Turborepo)Feature-based architecture, code splitting strategies, and design systems. • Communication: • Excellent English proficiency (written and spoken) – mandatory
Responsibilities
• 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.
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!