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

JR United Kingdom; London; On-site; GBP 120,000 - 138,000; Full time

Job summary

A leading Financial Services company in London is seeking a Senior UI Engineer to own and innovate their frontend UI across various projects. This role offers significant autonomy and the chance to impact processes, tooling, and culture while utilizing your expertise in React and TypeScript.

Qualifications

• 6+ years of frontend experience with expertise in React and TypeScript.
• Strong knowledge of modern frontend tooling and performance optimization.
• Experience working with design systems.

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 and performance.

Skills

React

TypeScript

JS component libraries

Performance optimization

Clean, scalable code

Education

BSc in Computer Science

Tools

Next.js

Node.js

Job description

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

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Client:

Opus Recruitment Solutions

Location:

london, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

5

Posted:

12.06.2025

Expiry Date:

27.07.2025

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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