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Frontend UI/UX Developer (React.js) — Strictly Frontend Only

Connex AI
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Important Screening Requirement: This role is for strictly frontend candidates only. Applicants must have strong React.js-based frontend UI/UX development experience. Backend developers, full-stack developers applying primarily from a backend background, DevOps engineers, QA testers, data engineers, and non-frontend profiles will be rejected.

Job Title

Frontend UI/UX Developer (React.js)

Role Type

Intern

Location

Remote

Role Overview

We are looking for a highly skilled Frontend UI/UX Developer with strong React.js experience to design and build clean, responsive, user-friendly web interfaces. This role is focused entirely on frontend development and user experience. The ideal candidate understands modern UI patterns, component-based architecture, responsive design, and translating product requirements and wireframes into polished interfaces.

Strict Candidate Requirement

  • Candidates must be frontend-focused and hands-on in React.js.
  • Candidates must demonstrate strong UI/UX implementation capability.
  • Candidates should have experience building responsive, production-ready web interfaces.
  • Candidates whose primary background is backend, full-stack with backend dominance, DevOps, QA, data, or infrastructure will not be considered.
  • This is not a backend or general software engineering role.

Key Responsibilities

  • Develop and maintain frontend web applications using React.js.
  • Convert Figma designs, wireframes, and product requirements into high-quality interfaces.
  • Build reusable components and scalable frontend architecture.
  • Create intuitive, accessible, and responsive UI across desktop and mobile devices.
  • Improve user flows, layout consistency, navigation, and overall usability.
  • Collaborate with product, design, and backend teams to integrate frontend requirements.
  • Optimize frontend performance, load speed, and cross-browser compatibility.
  • Ensure clean code structure, maintainability, and frontend best practices.
  • Participate in UI reviews and continuously improve the visual and interactive quality of the product.

Required Qualifications

  • Strong hands-on experience with React.js.
  • Strong understanding of HTML5, CSS3, JavaScript, and modern frontend development practices.
  • Demonstrated experience in UI/UX implementation, not just coding screens.
  • Experience with responsive design and mobile-friendly layouts.
  • Experience using design tools and working from Figma or similar mockups.
  • Ability to create reusable components and maintain design consistency.
  • Understanding of state management, component lifecycle, and frontend performance optimization.
  • Strong attention to detail in spacing, alignment, typography, and usability.
  • Good communication skills and ability to work with product and design stakeholders.
  • Experience with Tailwind CSS, Material UI, or similar frontend UI libraries.
  • Experience with animation libraries or modern interaction design patterns.
  • Understanding of accessibility standards and frontend testing basics.
  • Experience working in startup or fast-moving product environments.
  • Portfolio or examples of frontend UI work in React.js.

Technical Skills

  • React.js
  • JavaScript / TypeScript
  • HTML5
  • CSS3 / SCSS / Tailwind CSS
  • Responsive UI design
  • Component-based architecture
  • Figma handoff implementation
  • Git / version control