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Front-End Developer | ~£650/day Outside IR35 | London | 12-Month Contract
Industry: Trading
Location: London - 4 days in office
Job Type: Contract - 12-month initial
Our client, a leading commodity trading firm operating across global energy and commodities markets, is seeking an experienced Front-End Developer to join their trading technology team. You will work on developing high-performance, real-time user interfaces that present complex market data in a clear and intuitive way. You'll be responsible for building interactive applications, dashboards and visualisations that are used daily by traders and other front-office users.
Key Responsibilities
- Design, build and maintain sophisticated front-end applications using React.
- Develop high-performance user interfaces for displaying real-time market data.
- Build interactive dashboards, charting solutions and data visualisations.
- Integrate and customise charting libraries, including TradingView where appropriate.
- Consume and display live market data via WebSockets and APIs.
- Work closely with traders, quantitative analysts and back-end engineers to deliver new functionality.
- Optimise front-end applications for performance, scalability and responsiveness.
- Contribute to UI architecture and continuously improve the user experience.
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Required Skills & Experience
- Strong commercial experience with React and modern JavaScript (ES6+).
- Proven experience building sophisticated front-end applications and user interfaces.
- Experience developing real-time, data-driven applications.
- Experience building market data visualisation tools, dashboards or charting applications.
- Strong understanding of WebSockets, APIs and live data streaming.
- Solid knowledge of HTML5, CSS3 and modern front-end architecture.
- Experience optimising front-end performance for data-intensive applications.
- Experience using Git and modern development workflows.
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Desirable Experience
- Experience within commodity trading, financial services, capital markets or fintech.
- Experience working with high-frequency or low-latency applications.
- TypeScript experience.
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