Frontend UI Engineer - React & Angular

Quantum Technologies. LLC; Birmingham (AL); On-site; USD 90,000 - 120,000; Full time

Job summary

Quantum Technologies. LLC is seeking a frontend developer to design, build, and maintain responsive web applications. You will create reusable UI components, integrate with RESTful APIs, and work with UX designers to translate wireframes into polished interfaces.

The role emphasizes state management with Redux or Context API, modern CSS frameworks, testing with Jest/Jasmine, and collaboration across cross-functional teams in an Agile environment.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field.
• Proven experience building responsive web applications with React.js and Angular.
• Strong knowledge of HTML5, CSS3, TypeScript, and modern UI frameworks.

Responsibilities

• Design, develop, and maintain responsive web applications.
• Develop reusable UI components and front-end modules.
• Integrate front-end with RESTful APIs and backend services.
• Collaborate with UX/UI designers to convert wireframes into functional apps.
• Implement state management using Redux or Context API.
• Develop design systems, UI libraries, and component-based architectures.
• Implement form validations, error handling, and client-side logic.
• Work with CSS preprocessors and modern CSS frameworks.
• Perform debugging, troubleshooting, and resolution of frontend issues.
• Write unit and component tests using Jest or Jasmine.
• Participate in code reviews and maintain coding standards.
• Collaborate with backend developers, QA, product owners, and analysts.

Skills

HTML5

CSS3

TypeScript

React.js

Angular

Bootstrap

Material UI

Tailwind CSS

Redux

Context API

REST APIs

JSON

Responsive design

SASS/SCSS

jQuery

AJAX

DOM manipulation

Git/GitHub

Webpack/Vite

Jest/Jasmine

WCAG accessibility

Education

Bachelor's degree in Computer Science

Tools

Figma

Adobe XD

Sketch

Job description

Quantum Technologies. LLC is seeking a frontend developer to design, build, and maintain responsive web applications. You will create reusable UI components, integrate with RESTful APIs, and work with UX designers to translate wireframes into polished interfaces.

The role emphasizes state management with Redux or Context API, modern CSS frameworks, testing with Jest/Jasmine, and collaboration across cross-functional teams in an Agile environment.