Senior Frontend Developer

Senior Frontend Developer (Contract)Location: Fully Remote (EU-based candidates considered)

Day Rate: £300–£340 per day

Contract Type: Outside IR35

Start Date: ASAP

uration: 3-6 months

Overview

We’re supporting a fast-paced digital product company, looking for a Senior Frontend Developer to deliver high-performance, SEO-driven web applications.

You’ll work across the full frontend lifecycle, building scalable, user-focused experiences and contributing to architectural decisions in a modern, performance-led stack.

Responsibilities

• Build scalable frontend applications using React (Next.js/Astro) and TypeScript
• Deliver high-performance, SEO-optimised experiences (Core Web Vitals, SSR/SSG, structured data)
• Develop clean, reusable UI components with TailwindCSS
• Collaborate cross-functionally with Product, Design, and Marketing teams
• Contribute to frontend architecture and rendering strategy decisions
• Ensure cross-browser compatibility and overall performance optimisation
• Leverage modern (AI-assisted) development workflows to enhance productivity

Tech & Experience

• Strong experience with React (Next.js and/or Astro), TypeScript, and modern JavaScript
• Solid understanding of performance optimisation, SEO principles, and rendering approaches (SSR/SSG)
• Experience building static sites and working within headless architectures
• Comfortable working with APIs (REST/GraphQL) and Headless CMS platforms
• Proficient with TailwindCSS or similar styling approaches
• Familiar with modern tooling, Git workflows, and component-driven development
• Exposure to AI-assisted development tools and the ability to validate generated code

Nice to Have

• A/B testing or CRO experience
• Basic backend exposure (Node.js)
• Experience with testing frameworks