Javascript Developer

React Developer – Marketing

Location: London (Hybrid)

Salary: £55,000–£59,000

Type: Full-Time / Permanent

About the Role

We’re recruiting on behalf of a leading marketing agency looking for a talented React Developer to join their growing digital team.

You’ll play a key role in building high-quality, interactive front-end experiences for well-known brands and campaigns.

This role is ideal for someone who loves clean, modern front-end development, enjoys collaboration, and takes pride in creating experiences that feel fast, intuitive, and visually engaging.

Key Responsibilities

• Develop, maintain, and enhance front-end features using React and modern JavaScript/TypeScript
• Build reusable components and contribute to internal UI libraries
• Work closely with designers, project managers, and backend developers to deliver polished digital experiences
• Optimise applications for speed, performance, and accessibility
• Integrate APIs, manage state (Redux, Context, or similar), and ensure reliable data flow
• Contribute to planning, estimation, code reviews, and overall development best practices
• Debug, troubleshoot, and improve existing front-end codebases
• Stay updated with emerging front-end trends and tools to maintain high technical standards

Skills & Experience

Required:

• Strong experience with React (hooks, components, state management)
• Solid understanding of JavaScript or TypeScript
• HTML5, CSS3, responsive design principles
• Experience consuming REST APIs or GraphQL
• Git/GitHub version control
• Ability to translate UI/UX designs into clean, functional code
• Strong problem-solving skills and attention to detail

Nice to Have:

• Experience with Next.js or other modern React frameworks
• Exposure to animations, GSAP, or motion libraries
• Familiarity with analytics, A/B testing or CRO concepts
• Knowledge of CI/CD workflows
• Experience working in an agency or fast-paced environment

What’s on Offer

• Hybrid working environment (London office 2–3 days per week)
• Chance to work with major brands on high-impact digital campaigns
• Collaborative, creative and supportive team culture
• Opportunities for professional growth and exposure to varied projects