Senior Front-End Engineer - Execution Technology

Key Responsibilities

• Design and build responsive, high-performance front-end applications for the trading desk, including order management UIs, execution dashboards, and real-time blotters.
• Consume and visualise real-time streaming data from internal services.
• Collaborate closely with backend engineers and front-office stakeholders (traders, PMs) to translate complex trading workflows into intuitive UIs.
• Support production during trading hours with a commitment to rapid incident resolution given the time-sensitive nature of trading operations.
• Work in an agile environment, iterating quickly based on trader feedback and evolving business requirements.

Required Skills & Experience

• Minimum 6 years of professional front-end engineering experience.
• Strong proficiency in React, Next.js, TypeScript.
• Experience building real-time data UIs using WebSockets / socket-based streaming, including handling high-frequency updates, message ordering, and UI state consistency.
• Proficiency with data grid / tabular UI libraries (e.g., AG Grid) for high-frequency, high-volume data rendering.
• Strong understanding of web performance optimization — rendering pipelines, virtualization, debouncing/throttling, and memory management.
• Experience with testing frameworks (Playwright, Jest, React Testing Library).
• Comfortable with CI/CD pipelines, version control (Git), and modern development workflows.
• AI-assisted development mindset: comfortable using AI tools to accelerate delivery while maintaining strong judgement around validation, refactoring, testing, security, and responsible usage.
• Prior experience working in trading technology / execution technology environments.
• Familiarity with trading concepts — order types, execution workflows, FIX protocol, P&L, or market data.
• Exposure to EMS/OMS systems.