Senior Frontend Developer React

Senior Frontend Developer (React) - Series A GenAI Security Scale-up

Salary: £120,000 - £135,000 (DOE) + equity + benefits

Hybrid: 2 days/week in Central London office (Kings Cross/Covent Garden area)

A Series A, high-growth cybersecurity scale-up (~40 employees) is looking for a Senior React Engineer to join their mission of helping companies adopt Generative AI safely and securely. They are building a developer-first platform that enables data protection without complexity - redefining security for the GenAI era.

This is a rare chance to join at a pivotal time as they scale their infrastructure across regions, including a full US AWS deployment. You'll be joining a small but highly capable engineering team where your impact will be significant from day one.

They are looking for a Senior React Engineer with the following:

• Senior hands-on React experience in a product-focused SME
• Strong design skills and background with TypeScript, HTML and CSS
• Ability to work independently and own projects
• Background in fast-paced environments - scale-ups or consultancies preferred
• A passion for solving complex UX/UI challenges
• Nice to have: experience with Figma and component-based design systems (Storybook)

Tech: React, TypeScript, Figma, Storybook, Git, CI/CD

You'll work closely with a highly technical Senior React Engineer to strengthen and scale their high-performance web applications. If you're excited about working in a collaborative team, rolling up your sleeves in an early-stage environment and building the backbone of a secure, GenAI-first platform - this one's for you.

Apply now to learn more