Frontend React Developer – End-to-End UI Component Architecture

Vertex Analytics

Contract · Remote · Flexible hours

About the role

We are launching a greenfield SaaS product and need a Frontend React Developer to shape the user experience from day one. You will work with a remote‑first team, turning design concepts into high‑performance, accessible web interfaces.

Key responsibilities

• Architect and implement reusable React components for core product modules
• Collaborate with product and backend engineers to define API contracts
• Ensure UI consistency, responsiveness, and cross‑browser compatibility
• Write unit and integration tests using Jest and React Testing Library
• Optimize bundle size and performance for fast load times

Must-have skills

• Strong proficiency in React, JavaScript, and TypeScript
• Deep understanding of HTML5 and CSS3, including Flexbox/Grid
• Experience building responsive, accessible interfaces
• Familiarity with version control (Git) and CI pipelines

Nice to have

• Knowledge of state management libraries (Redux, Zustand)
• Experience with design systems or component libraries
• Understanding of server‑side rendering or Next.js