Lead Front-End Developer (React)

Salary: £60,000 - 90,000 per year

Requirements:

• We need an experienced Lead Front-End Developer with 3+ years experience.
• Strong commercial experience with React/Next.js, TypeScript, JavaScript and HTML, including component-based architecture and state management.
• A passion for emerging AI and front-end technologies, with the curiosity and drive to explore and embrace new ways of working.
• Strong experience integrating applications with APIs, third-party platforms and modern AI services; knowledge of emerging integration technologies and standards such as Model Context Protocol (MCP) would be advantageous.
• A solid understanding of front-end performance, accessibility and scalable application architecture.
• Strong UI/UX instincts, with an eye for clean, intuitive interfaces and close attention to usability and visual detail.
• Experience with Git-based development workflows, code reviews, automated testing and CI/CD pipelines.
• Confidence working directly with senior business and technical stakeholders, contributing ideas and constructively challenging approaches where appropriate.
• Experience working with cloud-hosted applications and services, ideally within AWS environments, would be advantageous.
• Familiarity with database technologies and commerce platforms such as Shopify would also be beneficial.
• We require applicants to have an existing right to work in the UK; we cannot offer sponsorship for overseas applicants.

Responsibilities:

• Develop modern, responsive web applications using React/Next.js and TypeScript.
• Work directly with our CEO and CTO to translate product concepts and solution designs into exceptional user experiences.
• Keep pace with emerging AI and front-end technologies, bringing new ideas, tools and approaches into how we design and build our products.
• Bring strong front-end expertise to solution and technical design discussions, contributing ideas and identifying practical, scalable implementation approaches.
• Create intuitive interfaces for AI-driven and conversational experiences, with a strong focus on usability, performance, accessibility and scalability.
• Contribute to the evolution of our platform and help deliver our product strategy.
• Help build innovative AI-driven customer experiences and support the business as our technology platform continues to evolve.

Technologies:

• Agentic AI
• AI
• AWS
• CI/CD
• Cloud
• CTO
• Embedded
• Git
• Support
• JavaScript
• MCP
• React
• Shopify
• TypeScript
• Web
• UX UI Design
• Frontend

More:

We are Captivation AI, a UK-based technology start-up building a unique speaking avatar platform for chatbots, agentic AI and next-generation digital experiences. Our technology is designed to dramatically reduce the compute and cost of delivering real-time digital avatars, making high-quality speaking avatars commercially viable at scale across corporate and e-commerce websites and other AI-powered customer experiences. We are a small but highly talented team, founded and backed by experienced technology entrepreneurs, and AI is embedded in how we work across the business. This is a permanent hybrid role based in Central London, combining time in our Waterloo office with flexibility to work remotely. We offer a competitive salary, 25 days annual leave plus UK Bank Holidays, a contributory company pension, and the opportunity to make a real impact in a fast-moving, innovative AI business.

last updated 33 week of 2026