Freelance React Native Developer

Flying Bisons is a leading Digital Consulting & Delivery company based in Warsaw, Europe. They specialize in helping clients unleash digital potential by discovering, defining, designing, and developing world-class digital products. Their expertise spans Research, Digital Strategy, Branding, Content, Product Design, Web & Mobile Development, Data Analytics & AI. The team consists of about 120 people working with top industry brands and startups.

• Minimum 3 years of commercial experience in React Native development.
• Knowledge of TypeScript and strong skills in JavaScript ES6+.
• Familiarity with Xcode and Android Studio.
• Experience with Expo and its ecosystem.
• Experience deploying applications to Google Play Store and Apple App Store.
• Familiarity with Git version control.
• Proficiency in React Hooks and functional components.
• Experience working with REST APIs and libraries like React Query.
• Experience with state management libraries: Redux (Toolkit), Recoil, Zustand, or MobX.
• Good command of English (B2+) and Polish language skills.
• Willingness to learn and develop through challenging projects.
• Experience creating animations with Reanimated.
• Experience building forms with React Hook Form.
• Proficiency in navigation management using React Navigation or Expo Router.
• Experience writing automated tests.
• Understanding of WCAG standards and accessibility implementation.
• Familiarity with Storybook and design systems.
• Experience with native modules in Objective-C, Swift, Kotlin, or Java.
• Knowledge and experience working with AI.

• Participate in development projects using React Native.
• Utilize knowledge of TypeScript, JavaScript ES6+, React Hooks, and functional components.
• Work with Expo ecosystem.
• Deploy applications to Google Play Store and Apple App Store.
• Use version control with Git.
• Work with REST APIs and data-fetching libraries like React Query.
• Manage state using libraries such as Redux (Toolkit), Recoil, Zustand, or MobX.
• Create animations with Reanimated.
• Build forms using React Hook Form.
• Manage navigation with React Navigation or Expo Router.
• Write automated tests.
• Implement accessibility guidelines based on WCAG standards.
• Use Storybook and manage Design Systems.
• Extend React Native with native modules (Objective-C, Swift, Kotlin, Java).

• Contract type: B2B.
• Application and personal data processing consents are required.
• Recruitment interviews may use AI assistant Fireflies.ai with biometric data processing under specified privacy policies.