Senior UI Developer - High-Performance React/TypeScript

Scope AT Limited; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Scope AT Limited is seeking a Senior UI Developer in London. You will join a Front Office technology team and build high-performance React applications, with a focus on platform optimisation, scalability and user experience.

The role is based in London with one day per week onsite at the Tier 1 Investment Bank. You should bring strong React and TypeScript skills, experience with RxJS, and a proven track record of performance tuning in fast-paced trading environments.

Qualifications

• Experience building high‑performance React applications.
• Strong background in front-office or trading tech is a plus.
• Ability to optimize platform performance and scalability.

Responsibilities

• Build and enhance high-performance React applications used across the business.
• Focus on platform optimisation, scalability, and user experience.
• Collaborate with front-office engineers and business stakeholders to deliver robust UI solutions.

Skills

React

TypeScript

RxJS

Performance optimisation

Tools

OpenFin

FDC3

Job description

Scope AT Limited is seeking a Senior UI Developer in London. You will join a Front Office technology team and build high-performance React applications, with a focus on platform optimisation, scalability and user experience.

The role is based in London with one day per week onsite at the Tier 1 Investment Bank. You should bring strong React and TypeScript skills, experience with RxJS, and a proven track record of performance tuning in fast-paced trading environments.