React Native Developer

5 дней назад

Харьков, Харьковская область, Украина IT Craft Полный рабочий день 900 000 ₴ - 1 200 000 ₴ в год

We are looking for an experienced React Native Developer to join the team and work on the mobile application of a large-scale crypto exchange. Founded in 2017, the platform has already built a wide audience and continues to grow. The team is now strengthening its mobile direction to support expansion and deliver new features to users worldwide. Responsibilities: - Develop and maintain a cross-platform mobile application using React Native; - Integrate frontend with backend services via REST APIs and WebSockets; - Implement and support authentication and authorization flows (JWT tokens, API keys, 2FA, biometric login); - Ensure secure storage of sensitive data and validate libraries before integration; - Monitor, analyze, and manage application logs to maintain stability; - Optimize app performance and improve responsiveness based on user feedback; - Participate in release management and contribute to CI/CD pipelines; - Handle production incidents, including critical bug fixes and forced updates; - Collaborate with the team in an Agile workflow using Git, Jira, and Bitbucket.

Requirements: - Minimum 4 years of hands-on commercial development experience, including at least 2 years with React and 2 years with React Native; - Strong command of JavaScript and TypeScript; - Good understanding of REST APIs, WebSockets, design patterns, as well as mobile-specific features, performance tuning, and app publishing processes; - Practical experience with frameworks and libraries such as React Navigation, Redux/MobX, React Query/RTK Query/SWR, Reanimated, Gesture Handler, Victory Native; - Confident use of tools like Git, Jira, Bitbucket; - Background in working within Agile development practices; - English level: Upper-Intermediate or higher. Will be a plus: - Previous experience with native development for Android and/or iOS; - Ability to write custom native modules; - Familiarity with Angular; - Knowledge of Firebase Remote Configs; - Understanding of Postgres (at least on the level of integration with backend); - Experience running security scans of libraries for vulnerabilities. IT Craft offers: - Competitive compensation according to the qualifications; - Flexible working hours, remote work; - Opportunity for career growth; - Compensation for technical courses, educational resources, and sport; - In-house English training; - A friendly team of open-minded people. Please send your CV

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