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Frontend Engineer (React Native / Expo)

careerbox.42webvia Careerbox.42web
RemotoGbPlenoCLT11 dias atrás

Salário Estimado

R$ 7.128,00 - R$ 10.692,00

0de 100

Regular

Score da Vaga

Descrição da Vaga

We are looking for a Frontend Developer to support the development and refinement of our mobile application on a paid, remote, independent contractor (1099) basis.


This is a part-time, flexible, project-based role, working closely with the founder and product team to build, maintain, and improve a production-level React Native application across iOS and Android.


This role is initially offered on a contract basis, with the potential for longer-term collaboration or conversion to a full-time role depending on performance, mutual fit, and business needs.


What You’ll Be Working On / Responsibilities • Building and maintaining a cross-platform mobile application using React Native and Expo

Implementing frontend features based on existing designs and product requirements • Debugging and testing on real iOS and Android devices
Improving performance, reliability, and UI consistency across platforms • Collaborating with backend systems via GraphQL APIs
Refactoring and improving existing code while preserving functionality • Supporting ongoing product iterations toward MVP and post-MVP improvements Must-have Requirements React Native
Strong experience with React Native • Building and maintaining cross-platform iOS and Android applications
Hands-on experience testing and debugging on real devices (not emulator-only) Expo • Experience with Expo
Familiarity with Expo Router for file-based routing • Experience with Expo EAS Build and OTA updates
Understanding of Expo limitations and native module constraints GraphQL • Experience with GraphQL APIs and codegen
Understanding of queries, mutations, and subscriptions • Caching, pagination, and refetch strategies React Query (TanStack Query)
Server state management, caching, and synchronization • Query invalidation, optimistic updates, pagination, infinite scroll
Understanding when to use server state vs client state TypeScript • Strict mode, no any, no casting to bypass type errors
Proper typing for props, state, and API responses • Generic types, discriminated unions, and utility types React Patterns
Component composition over prop drilling • Custom hooks for logic extraction
Performance optimization (memo, useMemo, useCallback, and when NOT to use them) • Understanding React’s rendering behavior State Management
Local state with React Context or Zustand • Form state with React Hook Form
MMKV for fast local storage UI Implementation • Ability to implement pixel-accurate UIs from Figma
Experience with Reanimated for animations • FlashList for performant lists
Understanding of iOS vs Android platform differences Async & Error Handling • Handling loading, error, and empty states
Network edge cases and offline behavior • Retry strategies and error boundaries Code Quality
Clear code structure (avoiding prop drilling, proper separation of concerns) • Consistent naming conventions and file organization
Refactoring existing codebases without breaking functionality Firebase • Firebase Cloud Messaging / push notifications
App versioning and distribution (App Distribution, Crashlytics) Nice-to-have (Plus) • Sendbird or similar chat SDK integration
Experience with payment SDKs like Stripe • Comfortable navigating third-party SDKs and documentation Working Style & Compensation
Fully remote • Flexible, part-time schedule
Deliverable and milestone-driven work • Paid role (hourly or project-based)
Independent contractor (1099) Pay: Up to $2,000.00 per month Work Location: Remote Apply tot his job Apply tot his job

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Informações

NívelPleno
ContratoCLT
LocalGb
RemotoSim
MoedaBRL
Publicada11 dias atrás
FonteCareerbox.42web

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