Senior GUI developer - Equities Technology

Single PositionExplore a Career With UsView All JobsHybridSenior GUI developer - Equities TechnologyMISSISSAUGA, Ontario, CanadaApply NowFind out how well you match with this jobUpload your resumeJob descriptionJob ID26981136Date posted07/20/2026DepartmentTechnologyThis role is for a Senior GUI developer in Citi Equities Technology. 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.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.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 be 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 experienceThis job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.------------------------------------------------------Job Family Group: Technology------------------------------------------------------Job Family:Applications Development------------------------------------------------------Time Type:Full time------------------------------------------------------Primary Location Full Time Salary Range:$120,800.00 - $170,800.00------------------------------------------------------Most Relevant Skills Please see the requirements listed above.------------------------------------------------------Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------Automated Processing and AIWe use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for...