Senior Frontend Engineer for AI Writing Interfaces

Agathon; Greater London; On-site; GBP 51,272 - 102,545; Part time

Job summary

Agathon is hiring an experienced front-end developer to lead the UI for our AI-assisted writing platform. You will turn UX wireframes into production-ready React components and collaborate with a small team including backend engineers to deliver polished interfaces for desktop use.

The role focuses on building chat-like interfaces, multi-step flows, and real-time feedback for AI outputs. It is a part‑time, fully remote position with flexible hours and UK/US time overlap.

Qualifications

• 4+ years of React experience with hooks and modern state management.
• Proven track record building chat/conversational interfaces.
• Experience with complex modal systems and multi-step user flows.
• Strong understanding of front-end performance optimisation.

Responsibilities

• Convert UX wireframes into pixel‑perfect React components.
• Implement best practices for LLM interface design (history, streaming, error handling).
• Manage state across complex user flows.
• Optimize performance for real-time AI interactions.

Skills

React

TypeScript

Tailwind CSS

State management

UI performance

Tools

Go

Python

REST APIs

Job description

Agathon is hiring an experienced front-end developer to lead the UI for our AI-assisted writing platform. You will turn UX wireframes into production-ready React components and collaborate with a small team including backend engineers to deliver polished interfaces for desktop use.

The role focuses on building chat-like interfaces, multi-step flows, and real-time feedback for AI outputs. It is a part‑time, fully remote position with flexible hours and UK/US time overlap.