UI Developer

Join us as a UI Developer at Barclays, where you'll take part in the transformation of our digital ecosystem in the Mortgages domain, promoting innovation and excellence. You'll harness cutting edge technology to revolutionise our digital offerings, ensuring unparalleled customer experience.

To be successful in this role you should have:

• Extensive hands-on experience with React, Redux, and TypeScript - Deep expertise in building complex, scalable user interfaces using React 16.8+ with hooks, advanced Redux patterns including Redux Toolkit, middleware implementation, and comprehensive TypeScript integration with custom types, interfaces, and generics for type-safe development

• Strong proficiency in modern JavaScript (ES6+), HTML5, CSS3, and responsive design principles - Advanced knowledge of ES6+ features including async/await, destructuring, modules, arrow functions, template literals, and modern CSS techniques including Flexbox, Grid, CSS variables, animations, and mobile-first responsive design across multiple device breakpoints

• Experience with React ecosystem tools including React Router, React Hooks, Context API, and state management patterns - Hands-on expertise with React Router v6 for complex routing scenarios, custom hooks development, Context API for global state management, useReducer for complex state logic, and advanced patterns like render props, higher-order components, and compound components

• Knowledge of UI testing frameworks such as Jest, React Testing Library, or Cypress - Comprehensive testing experience including unit testing with Jest, component testing with React Testing Library, integration testing, end-to-end testing with Cypress or Playwright, test-driven development practices, and maintaining high code coverage standards

• Experience with Version Control Software (Git, Stash/SVN) and collaborative development workflows - Proficient in Git workflows including feature branching, pull request reviews, merge conflict resolution, rebasing, cherry-picking, and collaborative development practices using platforms like GitHub, GitLab, or Bitbucket with proper commit messaging and branch management strategies

• Basic understanding of backend technologies including Java, Spring Boot, RESTful APIs, and microservices architecture - Foundational knowledge of Java programming concepts, Spring Boot framework basics, RESTful API design principles, HTTP methods and status codes, microservices communication patterns, and understanding of how frontend applications interact with distributed backend systems

• Familiarity with API integration and asynchronous data handling in React applications - Experience with fetch API, Axios for HTTP requests, handling promises and async operations, error handling strategies, data caching mechanisms, optimistic updates, and integration with data fetching libraries like React Query, SWR, or Apollo Client for GraphQL

• Basic Knowledge of AWS/Cloud technologies and modern deployment practices - Understanding of cloud services including AWS S3 for static hosting, CloudFront for CDN, Lambda for serverless functions, containerization with Docker, deployment pipelines, environment configuration management, and modern hosting platforms like Vercel, Netlify, or AWS Amplify

Some other highly valued skills include:

• Experience in analytical debugging and performance optimization - Advanced debugging skills using browser developer tools, React DevTools, Redux DevTools, performance profiling, memory leak detection, bundle analysis, code splitting implementation, lazy loading strategies, and optimization techniques for improving Core Web Vitals and overall application performance

• Understanding of design patterns and software architecture principles - Knowledge of frontend architectural patterns including MVC, MVP, MVVM, component composition patterns, dependency injection, observer pattern, factory pattern, and SOLID principles applied to frontend development with focus on maintainable and scalable code architecture

• Experience with build tools and bundlers (Webpack, Vite, etc.) - Hands-on experience configuring Webpack for complex applications, understanding of module bundling concepts, code splitting, tree shaking, hot module replacement, asset optimization, and modern build tools like Vite, Rollup, or Parcel for faster development and production builds

• Knowledge of CI/CD pipelines and DevOps practices - Experience with continuous integration/continuous deployment workflows using tools like Jenkins, GitHub Actions, GitLab CI, or Azure DevOps, automated testing integration, deployment strategies, environment management, and understanding of infrastructure as code principles

• Experience in Software development methodologies (Agile, Scrum) - Active participation in Agile/Scrum ceremonies including sprint planning, daily standups, sprint reviews, and retrospectives, experience with project management tools like Jira or Azure DevOps, understanding of user story creation, estimation techniques, and collaborative development in cross-functional teams

• Understanding of accessibility standards and cross-browser compatibility - Comprehensive knowledge of WCAG 2.1 guidelines, semantic HTML implementation, ARIA attributes usage, keyboard navigation support, screen reader compatibility, color contrast requirements, and ensuring consistent functionality across modern browsers including Chrome, Firefox, Safari, and Edge with progressive enhancement strategies

You may be assessed on key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen, strategic thinking and digital and technology, as well as job specific technical skills.

This role is based out of Pune.

Purpose of the role

To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. 

Accountabilities

• Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.
• Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
• Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.
• Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.
• Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
• Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.

Analyst Expectations

• Will have an impact on the work of related teams within the area.
• Partner with other functions and business areas.
• Takes responsibility for end results of a team’s operational processing and activities.
• Escalate breaches of policies / procedure appropriately.
• Take responsibility for embedding new policies/ procedures adopted due to risk mitigation.
• Advise and influence decision making within own area of expertise.
• Take ownership for managing risk and strengthening controls in relation to the work you own or contribute to. Deliver your work and areas of responsibility in line with relevant rules, regulation and codes of conduct.
• Maintain and continually build an understanding of how own sub-function integrates with function, alongside knowledge of the organisations products, services and processes within the function.
• Demonstrate understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.
• Make evaluative judgements based on the analysis of factual information, paying attention to detail.
• Resolve problems by identifying and selecting solutions through the application of acquired technical experience and will be guided by precedents.
• Guide and persuade team members and communicate complex / sensitive information.
• Act as contact point for stakeholders outside of the immediate function, while building a network of contacts outside team and external to the organisation.

All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.