Senior Frontend Developer

Senior Frontend Engineer (React / TypeScript) - Remote-First

We’re partnering with a high-growth cybersecurity business that has already reached unicorn status and is on track to achieve circa $400M ARR by the end of 2026.

With a global team of around 600 people, founded over 6 years ago and a highly profitable foundation, the company is now investing heavily in building out its UK engineering presence and is looking for a Senior Frontend Engineer to help shape the next phase of growth.

This role is ideal for someone who enjoys building scalable, high-throughput applications in modern frontend environments and wants to work on technically challenging products at serious scale.

What you’ll be doing:

• Building and scaling complex frontend applications using React and TypeScript

• Collaborating closely with product, design, and backend engineering teams

• Driving frontend architecture and engineering best practices

• Contributing to performance, scalability, and reliability across the platform

What they’re looking for:

• 5 + years commercial experience with React and TypeScript

• Experience building scalable, high-performance applications

• Solid understanding of modern frontend architecture and engineering practices

• Comfortable operating in fast-paced, product-led environments

• Previous experience in high-growth or scale-up businesses is a plus

The salary is up to salary up to £130,000 + bonus plus and equity.