Senior UI Engineer - Financial Services - £120k - React/ TypeScript

ZipRecruiter; London; On-site; GBP 70,000 - 100,000; Full time

Job summary

A fast-growing financial services company in London is seeking a Senior UI Engineer to own and enhance their front-end UI across various projects. This high-impact role offers significant autonomy, allowing you to shape internal libraries, tools, and design systems while driving innovation and best practices within a rapidly expanding team.

Qualifications

• 6+ years of frontend experience with deep expertise in React and TypeScript.
• Passion for clean, scalable code with strong testing culture.
• Experience with design systems and performance optimization.

Responsibilities

• Building high-performance, accessible UI components with React, TypeScript, and Next.js.
• Evolving a robust design system used across multiple teams.
• Championing best practices in testing, performance, and developer experience.

Skills

React

TypeScript

JavaScript

Performance Optimization

Education

BSc in Computer Science

Tools

Next.js

Component Libraries

Job description

Job Description

I'm representing a fast-growing Financial Services Company (International with a HUGE HQ in London) who are on the hunt for a Senior UI Engineer to take full ownership of their front-end & UI across a variety of projects.

This is a high-impact role with huge autonomy—you’ll be the go-to expert for all things UI, working at the heart of a team that’s scaling fast and building for the future. If you're passionate about clean code, slick interfaces, and driving innovation, this one’s for you.

Why this role stands out:

• Own the UI – You’ll shape internal libraries/ tools/ design systems, build reusable components, and set the standard for frontend excellence.
• Massive autonomy – You’ll have the freedom to make big decisions and lead the way technically.
• Join a growing company – Be part of a team that’s expanding rapidly, with real opportunities to influence process, tooling, and culture.
• Drive innovation – Your ideas will drive change and innovation across the business for years to come.

What you’ll be doing:

• Building high-performance, accessible UI components with React, TypeScript, and Next.js
• Evolving a robust design system used across multiple teams
• Championing best practices in testing, performance, and developer experience
• Collaborating closely with product and design to deliver seamless user experiences

They need:

• 6+ years of frontend experience with deep expertise in React and TypeScript
• Strong knowledge of JS component libraries, and modern frontend tooling - Next.js is a plus!
• Passion for clean, scalable code and a strong testing culture
• Experience working with design systems and performance optimization
• Bonus: Exposure to Node.js, monorepos, or open-source contributions
• BSc in Computer Science or related field is a big plus