Front-End (React) Engineer

October 27, 2026

Senior

London, United Kingdom

Description

A rapidly growing fintech start-up building next-generation technology for the FX and cryptocurrency trading markets is looking for a Senior Front-End Engineer. The team builds high-performance trading infrastructure used in fast-paced global financial markets and consists of engineers from leading technology companies and top-tier trading firms. The role focuses on real-time web interfaces used by traders and clients, developed together with senior engineers, designers and backend developers.

Responsibilities

Build high-performance, real-time web interfaces used by traders and clients
Contribute to the development of modern front-office trading applications
Work closely with senior engineers, designers and backend developers
Create intuitive and reliable user experiences that operate in highly dynamic markets

Requirements

4+ years of experience working with JavaScript in a professional environment
Experience with modern front-end frameworks such as React or Angular
Strong understanding of front-end fundamentals, including component-based architecture, state management and performance considerations
Exposure to a backend language such as C#, Java, Python or C++ is beneficial but not required
Strong communication skills and the ability to work collaboratively in a team environment
A proactive mindset and enthusiasm for learning new technologies