Senior Frontend Engineer - AI-Driven UI on a Global Scale

Fresha; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Fresha is seeking a Senior Frontend Engineer to join our global engineering team in London. You will design, build, and ship user-facing features using React and TypeScript, collaborating with cross-functional teammates to deliver high-quality product experiences.

You’ll leverage AI agents and cutting-edge tooling to accelerate delivery while maintaining strong technical judgment and a focus on performance, accessibility, and reliability.

Qualifications

• Experience building with AI agents and integrating into development workflows.
• Deep expertise in React and TypeScript for large-scale web apps.
• Strong GraphQL (Apollo or urql) and REST fundamentals.
• Experience with design systems.
• Web performance, cross-browser, and responsive design knowledge.
• Testing mindset with JS/TS testing frameworks.

Responsibilities

• Design, build, and ship new user-facing features in React + TypeScript.
• Own features end-to-end: discovery, technical design, implementation, testing, rollout, and observability.
• Tap into Design System to ship polished UI quickly while raising the bar for consistency.
• Write robust automated tests (Cypress, Jest, React Testing Library) and keep the CI/CD pipeline green.
• Partner closely with Product, Design, Backend, Infrastructure, and Mobile engineers to take features from discovery to rollout and beyond.
• Accelerate with AI: harness AI agents, LLM-powered coding tools, and access to a wide range of AI tools.
• Curious about backend, DevOps, or mobile? Great - we’ll support you in exploring any part of the stack.

Skills

React

TypeScript

GraphQL

REST

Design System

Web performance

Testing frameworks

AI agents

Tools

Apollo

Urql

Cypress

Jest

React Testing Library

Job description

Fresha is seeking a Senior Frontend Engineer to join our global engineering team in London. You will design, build, and ship user-facing features using React and TypeScript, collaborating with cross-functional teammates to deliver high-quality product experiences.

You’ll leverage AI agents and cutting-edge tooling to accelerate delivery while maintaining strong technical judgment and a focus on performance, accessibility, and reliability.