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Senior GUI Developer

https://www.citi.com/ Logo

Citi

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Location:
Singapore , Singapore

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

This role is for a Senior GUI developer in Citi Equities Technology. The candidate should possess strong analytical and technical ability with 6-10 years' experience in React, Redux, websockets and cutting-edge web technologies. Candidate should be able to work independently as well as being a team player, with good communication skills and stake holder management. As a senior developer you will work together with front office, product development and members of development team to provide solutions that improve efficiency, decrease operational risk, and enable the business to expand.

Job Responsibility:

  • Design, develop and maintain web apps using React and TypeScript, ensuring high quality, clean and maintainable code
  • Manage application state using redux and middleware such as redux toolkit
  • Ensure high test coverage by writing unit tests using Vitest
  • Write and maintain a suite of reusable UI components which can be used across different feature apps
  • Contribute to the overall application architecture and provide inputs on front end frameworks, design patterns and best practices
  • Perform code reviews and contribute to overall quality, maintainability and testability of software developed
  • Be a self-starter and plan/schedule own work for tasks and projects, implement functionality without direct supervision
  • Work closely with teams to form good working culture and continuously adapt to different working environment

Requirements:

  • Hands on HTML5, CSS3/SASS/CSS in JS, Core JavaScript, Typescript
  • Hands on React, React hooks
  • Unit Testing with Jest, React-testing-library
  • Application State Management with Redux, Recoil, React Context
  • Reactive Apps with RxJS, Web Sockets, Web workers
  • Build Tools like Webpack/Vite etc
  • Debugging skills, Code performance, Bench Marking
  • Container based development like Electron
  • RESTful APIs, JWT, NodeJS, Express JS
  • 6-10 years' experience in React, Redux, websockets and cutting-edge web technologies
  • Strong analytical and technical ability
  • Work independently and as a team player
  • Good communication skills and stakeholder management

Nice to have:

  • Exposure to Bitbucket, Jenkins, Artifactory, Confluence
  • MongoDB, AMPS Server - should able to query
  • Workspace tools – npm workspace, Micro Frontend, ESLint/TSLint
  • Docker management, Openshift containers
  • Experience working with other UI frameworks such as Angular

Additional Information:

Job Posted:
May 04, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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