Senior Full-Stack AI Agent Engineer (React/Electron)

Eigent; Greater London; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

Eigent is seeking a skilled Frontend Engineer to own the React/Electron desktop and Next.js web frontend of our AI agent platform. You will drive frontend architecture and implement real-time interfaces to orchestrate, monitor, and interact with AI agents in real time.

You will collaborate with backend and AI teams, mentor others, and influence product direction in a small, fast-moving team.

Qualifications

• 5+ years of professional frontend development experience.
• Strong React expertise with hooks and state management.
• Experience with real-time interfaces via WebSocket or SSE.
• Proficient in TypeScript and modern tooling.
• Attention to design detail and product intuition.

Responsibilities

• Architect and build features across React/Electron desktop app and Next.js web frontend
• Design and implement real-time agent communication interfaces (WebSocket, SSE)
• Collaborate with backend and AI teams to define and consume APIs
• Own the performance, accessibility, and polish of the user interface
• Mentor junior engineers and contribute to front-end standards

Skills

React

TypeScript

WebSocket

SSE

Performance optimization

Tools

Vite

Webpack

Job description

We are looking for a Full-Stack Engineer to build the Eigent desktop and web application. You will own the front-end architecture of our AI agent platform — a React/Electron app that lets users orchestrate, monitor, and interact with AI agents in real time.

Responsibilities

• Architect and build features across the React/Electron desktop app and Next.js web frontend
• Design and implement real-time agent communication interfaces (WebSocket, SSE)
• Collaborate with backend and AI teams to define and consume APIs
• Own the performance, accessibility, and polish of the user interface
• Mentor junior engineers and contribute to front-end standards

Requirements

• 5+ years of professional frontend development experience
• Deep expertise in React (hooks, state management, performance optimisation)
• Comfortable with TypeScript and modern tooling (Vite, Webpack, etc.)
• Experience with real-time data (WebSocket, SSE) preferred
• Strong product intuition and attention to design detail

This is a high-impact role at a small, fast-moving team. You will have direct influence over the product experience and the technical direction of the front end.