Senior Gui Developer - Equities Technology

This 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 the 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 of experience in React, Redux, websockets and cutting‑edge web technologies, and should be able to work independently as well as being a team player, with good communication skills and stakeholder 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 that 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 a good working culture and continuously adapt to different working environments.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, benchmarking.Container‑based development like Electron.RESTful APIs, JWT, NodeJS, Express JS.Nice to have
Exposure to Bitbucket, Jenkins, Artifactory, Confluence.MongoDB, AMPS Server – should be able to query.Workspace tools – npm workspace, micro‑frontend, ESLint/TSLint.Docker management, OpenShift containers.Experience working with other UI frameworks such as Angular.Education
Bachelor’s degree/University degree or equivalent experience.This job description provides a high‑level review of the types of work performed. Other job‑related duties may be assigned as required.Citi is an equal‑opportunity employer, and qualified candidates will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
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