Muttdata is looking for a Senior React Native Engineer to build and maintain high-quality mobile applications for iOS and Android. You will take ownership of architectural decisions, act as a senior contributor or tech lead, and shape mobile architecture in high-impact environments such as fintech, healthtech, or e-commerce.
What You'll Do
- Lead the design and implementation of scalable React Native applications for iOS and Android.
- Contribute to architectural decisions, including adoption of the React Native New Architecture (JSI, Fabric, TurboModules).
- Build and maintain native module integrations using Swift, Kotlin, or Objective-C.
- Implement robust state management and server-state strategies.
- Ensure high performance and optimized rendering across devices.
- Own release processes for the App Store and Google Play.
- Implement and maintain CI/CD pipelines and OTA updates.
- Drive testing strategy with unit, integration, and e2e tests.
- Conduct structured and actionable code reviews.
- Communicate technical trade-offs clearly to cross-functional stakeholders.
- Lead or contribute to major refactors and architectural migrations.
What We're Looking For
- 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).
- Proficiency with 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.
Technical Stack
- React Native, Swift, Kotlin, Objective-C, Expo, React Navigation
- Reanimated 3, Skia, Lottie, Redux Toolkit, Zustand, Jotai
- React Query, SWR, MMKV, WatermelonDB, SQLite
- REST, GraphQL, Apollo, URQL
- Jest, React Native Testing Library, Detox
- Flipper, Xcode Instruments, Android Profiler
- EAS Build, Fastlane, GitHub Actions, Bitrise, EAS Update, CodePush
- Sentry, Datadog, Nx, Turborepo
Team & Environment
You will join a team of 5+ engineers as a senior contributor or tech lead.
Benefits & Compensation
- 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.
- Birthday off + an extra vacation week (Mutt Week!).
- Referral bonuses.
- Annual Mutters' Trip.
Work Mode
This is a global, remote-first role, allowing you to work from anywhere.
Muttdata is an equal opportunity employer.
