React Developer – Data team - Junior, mid-level and senior positions.
Client: Elite Systematic Trading Firm
Location: London (Hybrid Working)
Compensation: Up to £175,000 Base + Bonus
Overview
An elite systematic trading firm is seeking a high-calibre React Developer to join a specialist data team responsible for building sophisticated, data-intensive web applications. These platforms sit at the heart of the firm's analytics and decision-making workflows, enabling traders, quants, and researchers to interact with complex datasets in real time. The firm is known for its technology-first culture, greenfield development, and exceptional engineering standards.
The Role
As a React Developer, you will design and build complex, high-performance web applications that visualise and manipulate large-scale financial and analytical data.
Key responsibilities include:
* Designing and developing advanced React-based web applications for data exploration, analytics, and monitoring
* Building rich, interactive user interfaces capable of handling large, real-time datasets
* Collaborating closely with data engineers, quantitative researchers, and traders to deliver intuitive, high-impact tooling
* Optimising frontend performance, responsiveness, and scalability
* Contributing to UI architecture, component libraries, and frontend engineering best practices
What's on Offer
* Ownership of greenfield, data-heavy web applications
* Market-leading compensation and bonus potential
* Access to modern frontend technologies and tooling
* Rapid career progression in a highly technical, performance-driven environment
* Strong emphasis on engineering quality, usability, and system performance
* A collaborative culture with close interaction across data, research, and trading teams
Requirements
* Strong commercial experience as a React Developer or Frontend Software Engineer
* Proven experience building complex, data-driven web applications
* Solid understanding of modern JavaScript/TypeScript, React, and frontend architecture
* Experience optimising UI performance for large datasets or real-time applications is beneficial
* Familiarity with modern development practices (version control, testing, CI/CD)
* Excellent communication skills and ability to work closely with technical stakeholders
* Background in financial systems or data platforms is beneficial but not essential
If you are a React Developer interested in building sophisticated, data-intensive web applications within an elite trading environment, please apply to be considered or email for more information.