Senior Frontend Engineer; React, 3D

The Role:

At Holland & Barrett, we’re building innovative tools that shape how millions experience health and wellness in our stores. Join our Space & Range team and help create advanced 3D web applications that power store layout and merchandising decisions across the business.

As a Senior Frontend Engineer, you’ll work on a modern React and Type Script platform featuring immersive 3D visualisation. You’ll contribute to high-performance user experiences that directly support retail operations and commercial success.

• Build and maintain scalable React / Type Script applications
• Develop interactive 3D experiences using React Three Fiber / Three.js
• Write clean, maintainable, well‑tested code
• Contribute to CI/CD pipelines and continuous improvement
• Collaborate closely with Product, UX, and Engineering teams

• Strong experience in React and Type Script
• Experience with React Three Fiber / Three.js or similar 3D web technologies
• Solid understanding of performance optimisation in complex UIs
• Experience with automated testing (e.g., Cypress)
• Ownership mindset and ability to work in cross‑functional teams

We offer hybrid working, with occasional presence at one of our Holland & Barrett offices in London for team meetings, collaboration sessions and key events.