Job Title: React Native Developer
Hybrid: 2 days a week working from the office
Location: Knutsford, UK
Your Role
Capgemini Financial Services is seeking a skilled and passionate React Native Developer in Knutsford, UK to join our Digital Channels team. The ideal candidate will have a strong foundation in modern front‑end development, with hands‑on experience in building scalable, secure, and accessible applications using React, React Native, and TypeScript.
Key Responsibilities
* 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.
Your Profile
* 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.
* 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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