Frontend Software Engineer (React/TypeScript)

October 19, 2026

Hybrid

Senior

London, United Kingdom

Description

A leading FinTech firm in London is hiring a Frontend Software Engineer with 2-6+ years of professional experience. The role focuses on building modern, scalable React and TypeScript applications for business-critical trading and operational platforms, including real-time dashboards, analytics platforms and data visualisation tools used by traders and quantitative researchers. The engineer will collaborate with backend engineers to integrate APIs and optimise frontend performance, usability and reliability.

Responsibilities

Building modern, scalable frontend applications using React and TypeScript to support business-critical trading and operational platforms
Developing responsive, high-performance user interfaces for complex internal applications used across the business
Building real-time trading dashboards, analytics platforms and data visualisation tools used by traders, quantitative researchers and engineering teams
Collaborating with backend engineers to integrate APIs and deliver seamless user experiences
Optimising frontend performance, usability and reliability across business-critical applications

Requirements

2-6+ years of professional software engineering experience
Strong experience in React and/or TypeScript
Experience building modern frontend applications and reusable UI components
Understanding of JavaScript, HTML, CSS and frontend development best practices
Experience with data visualisation, real-time applications or complex user interfaces is advantageous
Bachelor's degree in Computer Science or a similar discipline preferred