Frontend Developer

Quantum Technologies. LLC; Phoenix (AZ); On-site; USD 90,000 - 130,000; Full time

Job summary

Quantum Technologies. LLC in Phoenix, AZ seeks a frontend engineer proficient in React.js and Next.js to build responsive, accessible web interfaces that scale across devices. You will translate Figma designs into high‑quality UI components and validate UI performance from day one.

Responsibilities include Redux Toolkit and Context state management, REST and GraphQL integration, and collaboration with UI/UX, backend, and QA teams in an Agile setting to deliver features on schedule.

Qualifications

• Experience with React.js and Next.js development.
• Strong HTML5, CSS3 and responsive design skills.
• Experience with Redux Toolkit and Context API.
• Hands-on with Tailwind CSS or Material UI.
• REST APIs and GraphQL integration.
• Jest and React Testing Library experience.
• Git and frontend build tools (Vite, Webpack).
• Understanding of web performance optimization and SEO.
• Experience with npm and package management.

Responsibilities

• Develop responsive and interactive web applications using React.js and Next.js.
• Build reusable UI components and frontend libraries.
• Implement state management using Redux Toolkit and React Context.
• Develop user interfaces based on Figma designs and UX specifications.
• Integrate frontend applications with RESTful APIs and GraphQL services.
• Implement server-side rendering and static site generation using Next.js.
• Develop responsive layouts using CSS3, Tailwind CSS, and Material UI.
• Write clean, reusable, and maintainable frontend code.
• Perform unit and integration testing.
• Collaborate with UI/UX designers, backend developers, and QA teams.
• Participate in code reviews and Agile development activities.

Skills

React.js

Next.js

HTML5

CSS3

Redux Toolkit

Context API

Tailwind CSS

Material UI

REST APIs

GraphQL

Jest

React Testing Library

Git

Vite

Webpack

SEO

NPM

Education

Bachelor's degree

CS/IT related field

Tools

Vite

Webpack

REST APIs

GraphQL

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Key Responsibilities

Develop responsive and interactive web applications using React.js and Next.js.

Build reusable UI components and frontend libraries.

Implement state management using Redux Toolkit and React Context.

Develop user interfaces based on Figma designs and UX specifications.

Integrate frontend applications with RESTful APIs and GraphQL services.

Implement server-side rendering and static site generation using Next.js.

Develop responsive layouts using CSS3, Tailwind CSS, and Material UI.

Write clean, reusable, and maintainable frontend code.

Perform unit and integration testing.

Collaborate with UI/UX designers, backend developers, and QA teams.

Participate in code reviews and Agile development activities.

Required Technical Skills

Strong experience with React.js and Next.js.

Expertise in HTML5, CSS3, and responsive web design.

Experience with Redux Toolkit and React Context API.

Hands‑on experience with Tailwind CSS or Material UI.

Knowledge of REST APIs and GraphQL integration.

Experience with Jest and React Testing Library.

Familiarity with Git and frontend build tools such as Vite and Webpack.

Understanding of web performance optimization and SEO.

Experience with npm and package management.

Preferred Skills

Knowledge of Node.js and Express.js.

Experience with Storybook and component‑driven development.

Familiarity with WCAG accessibility standards.

Experience with Cypress or Playwright.

Understanding of CI/CD pipelines and cloud deployments.

Knowledge of micro‑frontend architecture.

Education

Bachelor's degree in Computer Science, Information Technology, or a related field preferred.

Candidate Expectations

Strong UI development and problem‑solving skills.

Excellent communication and collaboration abilities.

Ability to translate design concepts into functional interfaces.

Experience working in Agile/Scrum environments.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.