Overview
Job Title: React Native Developer
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. 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.
About Capgemini
Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2023 global revenues of €22.5 billion.
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