ReactJS Developer - Knutsford, UK

• Develop and maintain web and mobile applications using React and React Native.
• Implement and optimise component lifecycle methods and React hooks for performance and maintainability.
• Manage application state using appropriate strategies (e.g. Context API, Redux, Zustand)
• Apply React design patterns to ensure clean, reusable, and scalable code.
• Integrate TypeScript for type safety and improved developer experience.
• Ensure code quality through linting tools (e.g. ESLint, Prettier) and enforce consistent coding standards.
• Write and maintain unit, integration, and end-to-end tests using libraries such as Jest, React Testing Library, Detox, or Cypress.
• Follow security best practices to protect user data and prevent vulnerabilities.
• Implement accessibility standards (WCAG) to ensure inclusive user experiences.
• Monitor and resolve performance issues using profiling tools and optimisation techniques.
• Contribute to CI/CD pipelines and automated testing strategies for continuous delivery.
• Collaborate on publishing and maintaining shared React libraries and components.
• Stay up to date with the latest versions of React and React Native, including experience upgrading across major releases.

Do you have experience in iOS?, * Strong proficiency in React and React Native development.

• Deep understanding of React component lifecycle and hooks.

• Solid experience with TypeScript in React projects.

• Familiarity with state management libraries and patterns.

• Knowledge of common React design patterns (e.g. container/presentational, HOCs, render props).

• Experience with linting tools and enforcing code quality.

• Proven testing experience with modern JavaScript testing frameworks.

• Awareness of security and accessibility best practices.

• Experience with performance profiling and optimisation in React apps.

• Hands-on experience with CI/CD tools and workflows.

• Experience publishing and maintaining shared libraries (e.g. npm packages, monorepos).

• Experience upgrading React and React Native applications across versions. Desirable

• Experience working in Agile teams.

• Experience developing and deploying iOS and Android apps using native technologies or other cross-platform frameworks (e.g. Flutter, Xamarin).

• Familiarity with mobile-specific challenges in cross-platform development.

• Contributions to open-source projects or technical blogs.

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