Single PositionExplore a Career With UsView All JobsHybridCiti Equities - Senior GUI EngineerMISSISSAUGA, Ontario, Canada No longer accepting applications.Job ID26973285Date posted06/21/2026DepartmentTechnologyThis 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.Responsibilities: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 hooksUnit Testing with Jest, React-testing-libraryApplication State Management with Redux, Recoil, React ContextReactive Apps with RxJS, Web Sockets, Web workersBuild Tools like Webpack/Vite etcDebugging skills, Code performance, Bench MarkingContainer based development like ElectronRESTful APIs, JWT, NodeJS, Express JSNice to have:Exposure to Bitbucket, Jenkins, Artifactory, ConfluenceMongoDB, AMPS Server - should able to queryWorkspace tools – npm workspace, Micro Frontend, ESLint/TSLintDocker management, Openshift containersExperience working with other UI frameworks such as AngularEducation:Bachelor’s degree/University degree or equivalent experience This site uses only strictly necessary cookies to perform basic functions. You may adjust the settings of your internet browser to reject or block all cookies or trackers, but doing so may affect how the website functions. This website is hosted by an external service provider and all cookies are controlled and configured by Citi. For detailed information please read our Citi Careers Cookie Policy.I have read the cookie notice
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