Lead Front-End Engineer: Architect AI Finance UI

Dex; Greater London; On-site; GBP 110,000 - 150,000; Full time

Job summary

Dex is seeking a Lead Front-End Engineer to own the front-end craft across the product, shaping patterns and guidelines used by engineers including AI-assisted tooling. You will set rules for how UI interacts with AI agents and ensure quality scales with a rapidly growing company.

This is a rare seat to influence the how, not just the what. You will drive front-end architecture, establish guidelines, and mentor engineers while collaborating with product and design to deliver high-performance

Qualifications

• Strong TypeScript expertise and deep understanding of front-end fundamentals.
• Experience with multiple front-end frameworks and the trade-offs between them.
• Proven ability to diagnose performance bottlenecks and drive improvements.

Responsibilities

• Define and evangelize front-end architectural patterns across a full-stack team.
• Establish UI/UX guidelines and component libraries for consistent interfaces.
• Drive performance engineering initiatives across the product.
• Collaborate with product and design to translate complex workflows into high-performance experiences.
• Mentor engineers on front-end fundamentals and framework trade-offs.

Skills

TypeScript

Front-end frameworks

Performance engineering

Architecture & design

Mentoring

Tools

React

Next.js

Angular

UI libraries

Job description

Dex is seeking a Lead Front-End Engineer to own the front-end craft across the product, shaping patterns and guidelines used by engineers including AI-assisted tooling. You will set rules for how UI interacts with AI agents and ensure quality scales with a rapidly growing company.

This is a rare seat to influence the how, not just the what. You will drive front-end architecture, establish guidelines, and mentor engineers while collaborating with product and design to deliver high-performance