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Senior UI Developer

2 months ago

London, Greater London, United Kingdom Citigroup Inc. Full time
About the Role

Citigroup Inc. is seeking a highly skilled Senior UI Developer to join our Commodities Risk team. As a key member of our technology team, you will be responsible for designing and developing high-performance web applications using React and related libraries.

Key Responsibilities
  • Frontend Development: Develop responsive, high-performance web applications using React and related libraries to deliver exceptional user experiences for risk management applications.
  • UI/UX Design Implementation: Collaborate with UI/UX designers to translate design mockups and wireframes into interactive and visually appealing user interfaces.
  • Citi Container Service Integration: Integrate with Citi-provided container services and design storage of entitlements/configs and transactional data.
  • Component Development: Create reusable React components and libraries to facilitate rapid development and ensure consistency across different sections of the application.
  • State Management: Implement state management using Redux or Recoil to manage application state efficiently and ensure data consistency across components.
  • Integration with Backend Services: Collaborate with backend developers to integrate frontend components with RESTful APIs, ensuring seamless data flow and synchronization between frontend and backend systems.
  • Performance Optimization: Identify and address performance bottlenecks in the application, including rendering optimizations, code splitting, and lazy loading techniques to enhance overall performance and user experience.
  • Code Quality and Testing: Write clean, well-documented code following best practices and coding standards. Conduct unit tests and integration tests to ensure system stability.
  • Continuous Learning: Stay updated with the latest trends and developments in frontend technology, especially in the React ecosystem, both within Citigroup Inc. and on the street.
Requirements
  • Proven experience as a frontend React developer with proficiency in React and state management (Redux/Recoil/Mobx/Context API, etc.).
  • Solid understanding of React Hooks and functional components.
  • Knowledge of performance optimization techniques such as memoization and useCallback.
  • Familiarity with popular React component libraries such as MaterialUI, Ant Design, or Semantic UI.
  • Solid hands-on experience with TypeScript for static typing and improved code maintainability in React projects.
  • Solid understanding of web technologies, including HTML5, CSS3, and JavaScript ES6+.
  • Experience with frontend tools such as Webpack, Babel, Yarn, Npm, etc.
  • Experience with UI/UX design principles and building wireframes.
  • Strong problem-solving skills and ability to troubleshoot complex React-related issues.
Bonus Points
  • Experience with C#, ideally with desktop as well as web services and.Net Core and distributed micro-services-based architectures.
  • A good understanding of async programming. Functional programming experience useful.
  • Knowledge of MongoDB or other NoSQL databases and general SQL experience useful.
  • Experience in a Continuous Integration/Continuous Delivery and Automated Deployment environment with tools such as Jenkins, TeamCity, uDeploy.
  • Knowledge of banking or financial services is a plus.
About Citigroup Inc.

Citigroup Inc. is a leading global financial services company that provides a range of financial products and services to individuals, corporations, and governments around the world. Our Commodities Risk team is responsible for managing risk across our commodities business, and we are seeking a highly skilled Senior UI Developer to join our team.

What We Offer
  • Competitive base salary (annually reviewed).
  • Discretionary annual performance-related bonus.
  • Private medical care and life insurance.
  • Employee assistance program.
  • Pension plan.
  • Paid parental leave.
  • Special discounts for employees, family, and friends.