Senior Consultant - React Native

Capgemini; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A global technology company is seeking a Senior Consultant - React Native Developer to develop and maintain applications. The role involves optimizing React performance, managing state, and ensuring security best practices. Ideal candidates should have a strong proficiency in React and TypeScript. This position will provide opportunities to work in a collaborative environment focusing on innovation and technology.

Qualifications

• Strong proficiency in React and React Native development.
• Deep understanding of React component lifecycle and hooks.
• Solid experience with TypeScript in React projects.

Responsibilities

• Develop and maintain web and mobile applications using React and React Native.
• Implement and optimize component lifecycle methods and React hooks.
• Manage application state using appropriate strategies.

Skills

React and React Native development

TypeScript

Performance profiling and optimization

Security and accessibility best practices

Testing frameworks

Job description

Role - Senior Consultant - React Native Developer

Location - Knutsford UK

Get The Future You Want!

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired by a collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizations unlock the value of technology and build a more sustainable, more inclusive world

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 eg 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 eg ESLint Prettier and enforce consistent coding standards
• Write and maintain unit integration and endtoend 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 CICD 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

Required Skill

• 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 eg 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
• Handson experience with CICD tools and workflows
• Experience publishing and maintaining shared libraries eg npm packages monorepos
• Experience upgrading React and React Native applications across versions

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 350,000 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 fuelled 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.