Front-End Developer — Build Fast, Sleek UI/UX (React)

QuantumIT Solutions; København; On-site; DKK 88,000 - 119,000; Full time

Job summary

QuantumIT Solutions is seeking a Front-End Developer to build and maintain user-friendly websites and web apps. You will collaborate with the design team to translate visuals into responsive, interactive interfaces using HTML, CSS and JavaScript.

You will implement design mockups, ensure cross‑browser compatibility, and optimize performance while staying current with front-end trends and best practices.

Qualifications

• Proven front-end development experience with HTML/CSS/JS.
• Solid understanding of UI/UX and responsive design.
• Experience with React or Angular frameworks.
• Familiarity with CSS preprocessors (SASS/LESS) and version control.

Responsibilities

• Develop new user-facing features.
• Ensure feasibility of UI/UX designs.
• Optimize websites for speed and scalability.
• Collaborate with back-end developers to improve usability.
• Ensure cross-browser compatibility.
• Convert design mockups into production code.
• Troubleshoot and debug issues.
• Stay updated on emerging front-end trends.

Skills

HTML

CSS

JavaScript

jQuery

React

Angular

SASS

LESS

SEO

Time management

Tools

Git

Job description

QuantumIT Solutions is seeking a Front-End Developer to build and maintain user-friendly websites and web apps. You will collaborate with the design team to translate visuals into responsive, interactive interfaces using HTML, CSS and JavaScript.

You will implement design mockups, ensure cross‑browser compatibility, and optimize performance while staying current with front-end trends and best practices.