Frontend Developer

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Overview

We are seeking a skilled Front-End Developer to join a trading technology team within a prominent commodity trading firm. This role focuses on developing high-performance, real-time user interfaces that effectively present complex market data for traders and other front-office users. The contractor will collaborate closely with traders, quantitative analysts, and back-end engineers over a 12-month contract period, primarily working in the office.

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 teams to deliver new functionality.
  • Optimise front-end applications for performance, scalability and responsiveness.
  • Contribute to UI architecture and improve the user experience.

Requirements

  • Strong commercial experience with React and modern JavaScript (ES6+).
  • Proven experience in building sophisticated front-end applications and user interfaces.
  • Experience in developing real-time, data-driven applications.
  • Experience in building market data visualisation tools or dashboards.
  • 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.
  • Familiarity with Git and modern development workflows.
SkillsReact, JavaScript, HTML, CSS, TypeScript
LocationLondon Area
TypeOn-site
Rate
£650/day
SourceLinkedIn
RecruiterCititec
Posted22/07/26