Front-End JavaScript/TypeScript/React/AG Grid Software Engineer : Trading : £120-180k plus excellent bonus : London

We're partnering with a leading quantitative trading firm that's continuing to invest heavily in its engineering teams. They're looking for a talented Software Engineer to help build the next generation of high-performance trading applications used by traders, quants, and researchers across global markets. This is an opportunity to work on complex, data-intensive applications where performance, usability, and reliability are critical. You'll be building sophisticated web-based platforms that process and visualise large volumes of real-time financial data.

Working as part of a highly collaborative engineering team, you'll design and develop modern frontend applications that power trading workflows. You'll work closely with traders, product specialists, and backend engineers to deliver intuitive, high-performance user interfaces.

You'll be involved in:

• Building complex, interactive data grids and financial dashboards
• Developing responsive, performant web applications handling real-time market data
• Creating reusable UI components and internal frontend libraries
• Collaborating with backend teams to integrate low-latency APIs
• Influencing architecture and frontend best practices

We're interested in engineers with strong experience building sophisticated web applications rather than simple websites.

You'll ideally have experience with:

• React
• AG Grid (or similar enterprise data grid technologies)
• State management (Redux, Zustand or equivalent)
• Performance optimisation and rendering large datasets

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