UX Engineer (React/TypeScript) – Real-Time Finance UI (Hybrid)

Client Server Limited; Greater London; Hybrid; GBP 54,000 - 66,000; Full time

Benefits offered by this job

Private Medical Healthcare

Pension

Share Option scheme

Employee Wellness Programme

Summer time hours

£2k personalised training budget

Job summary

Client Server Limited seeks a UX Engineer / Developer (TypeScript React) to deliver end-to-end frontend features for trading and risk management systems in London with hybrid WFH flexibility. Expect real-time data interfaces, complex grids, and AI-assisted development practices.

You will shape UI design, frontend architecture and data flows, partnering with design and backend teams to create high quality, scalable user experiences.

Qualifications

• Strong React and TypeScript development skills with CSS/UI implementation.
• Experience with state management and data fetching using Zustand and TanStack Query.
• Experience writing clean, maintainable, testable code with automated testing using Vitest and Playwright.
• Experience integrating REST APIs and API contracts, ideally using OpenAPI specifications.
• Eye for detail and usability, visual consistency and high quality UX.
• Hands‑on experience with AI assisted development tools and agentic workflows.
• Strong problem solving, proactive approach and ability to own work independently.
• Degree in Computer Science or a similar technical discipline.

Responsibilities

• Deliver end-to-end frontend features across order management and risk management systems.
• Collaborate with backend engineers and other teams to implement full-stack functionality.
• Contribute to the evolution of a scalable frontend monorepo and frontend architecture.
• Develop real-time market data visualisations and high-performance data grids.
• Engage with AI tooling to improve development efficiency and consistency.

Skills

React

TypeScript

CSS UI

Zustand

TanStack Query

Vitest

Playwright

OpenAPI / REST APIs

AI assisted development

Problem solving

Education

Computer Science or similar degree

Tools

OpenAPI specifications

REST API integration

Job description

Client Server Limited seeks a UX Engineer / Developer (TypeScript React) to deliver end-to-end frontend features for trading and risk management systems in London with hybrid WFH flexibility. Expect real-time data interfaces, complex grids, and AI-assisted development practices.

You will shape UI design, frontend architecture and data flows, partnering with design and backend teams to create high quality, scalable user experiences.