Senior React Native Developer
New
C
ConnectisFitness technology
Locations: Warszawa, chmielna 71, Warszawa, Country code: PL; Realizacja usług 100% zdalnie.ContractSenior
Salary142 - 166 PLN per hour
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Job Details
- Languages
- Biegła znajomość języka polskiego i angielskiego (C1)
- Experience
- 5 lat doświadczenia w wytwarzaniu aplikacji mobilnych, w tym minimum 3 lata produkcyjnego doświadczenia z React Native.
- Required Skills
- JavascriptKotlinReact NativeTypeScriptRedux
Requirements
- Have 5 years of experience developing mobile applications.
- Have at least 3 years of production experience with React Native.
- Have solid, practical JavaScript and TypeScript skills for daily coding work.
- Have practical experience managing state with Zustand, Redux Toolkit, or Jotai.
- Have production experience with React Query or TanStack Query at scale.
- Be proficient in Polish at C1 level.
- Be proficient in English at C1 level.
Responsibilities
- Audit JSI bridges and Nitro Modules, particularly their integration with the Kotlin fitness-equipment SDK.
- Read and document the existing mobile codebase with the outgoing engineering team.
- Identify the highest-risk screens and flows and propose stabilization plans.
- Design and review the architecture of new app screens and flows.
- Manage app release pipelines for the App Store and Google Play.
- Participate in an on-call rotation for mobile-side incidents.
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