Full Stack UI Developer

Citi; New York (NY); On-site; USD 110,000 - 170,000; Full time

Job summary

Citi is seeking a Full Stack UI Developer to join the Equities Technology group. The role focuses on building robust web applications using React, TypeScript, and modern front-end tooling. You will implement components, manage state with Redux, and ensure test coverage with Jest and Vitest.

The position is based in Singapore, with a strong emphasis on code quality, performance, and collaboration across teams to deliver scalable front-end solutions.

Qualifications

• 3–5 years of hands-on HTML5, CSS3/SASS, JavaScript and TypeScript
• Hands-on React and React hooks
• Unit testing with Jest and React Testing Library
• State management with Redux, Recoil or React Context
• RxJS, WebSockets and Web Workers
• Webpack and Vite
• Debugging, performance tuning
• Electron container development
• RESTful APIs with Node.js and Express, JWT

Responsibilities

• 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 across feature apps
• Contribute to overall application architecture and provide inputs on front end frameworks and design patterns
• Perform code reviews and contribute to quality, maintainability and testability of software
• Be a self-starter and plan/schedule own work for tasks and projects
• Work closely with teams to form good working culture and adapt to different environments

Skills

HTML5

CSS3

SASS

JavaScript

TypeScript

React

Redux

Websockets

RxJS

Web workers

RESTful APIs

Jest

Testing

Webpack

Vite

Electron

Node.js

Express.js

Education

Bachelor's degree or equivalent experience

Tools

Webpack

Vite

Electron

Docker

Openshift

Angular

Java

Spring Boot

MongoDB

Job description

Full Stack UI Developer

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

The Applications Development Intermediate Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

This role is for a Full Stack UI developer in Citi Equities Technology. The candidate should possess strong analytical and technical ability with at least 3 years of experience in React, Redux, websockets and cutting-edge web technologies. Candidate should be able to work independently as well as being a team player. The position is based in Singapore.

Responsibilities

• 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

• 3 - 5 years of 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

Nice to have

• Exposure to Github, 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
• Experience working with any other backend programming languages and framework such as Java and Springboot

Education

• Bachelor's degree/University degree or equivalent experience

Full time

Singapore, Singapore, Singapore

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their 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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