Senior React Engineer

We are seeking a highly skilled Senior React Engineer to join a front-office technology team responsible for building next-generation electronic trading and market data applications.

This is an opportunity to work on highly performant, real-time systems used by traders and sales teams globally. You'll be responsible for building responsive, data-intensive user interfaces that process and visualise large volumes of streaming market data while maintaining exceptional user experience and performance.

Responsibilities

As a Senior React Engineer, you will work closely with frontend, backend and business stakeholders to deliver mission-critical trading applications. You'll play a key role in designing frontend architecture, optimising performance, and ensuring applications remain responsive under heavy data loads.

• Design and develop high-performance web applications using React and TypeScript.


• Build and maintain real-time user interfaces consuming large volumes of streaming market data.


• Optimise browser performance, rendering pipelines, memory usage and application responsiveness.


• Work closely with backend engineering teams to integrate low-latency data services.


• Contribute to frontend architecture, technical standards and engineering best practices.


• Develop robust testing strategies and maintain high levels of application quality.


• Participate in system design discussions and performance tuning initiatives.


• Support the evolution of trading and market data platforms used globally.

Requirements

Essential Skills & Experience

• Strong commercial experience developing applications using React and TypeScript.


• Experience delivering production-grade frontend systems in trading, market data, financial services or other high-throughput environments.


• Deep understanding of browser internals, rendering performance, virtualisation, memory management and frontend optimisation techniques.


• Experience consuming and managing real-time data feeds using WebSockets, pub/sub messaging or similar technologies.


• Understanding of concepts such as backpressure, reconnection handling, snapshots and state recovery.


• Strong understanding of software engineering best practices, testing and code quality.


• Experience with Playwright, Cypress, Selenium or similar testing frameworks.


• Ability to understand and troubleshoot backend services, particularly Java-based systems.

Nice to have

• Experience migrating Angular or AngularJS applications to React.


• Knowledge of low-latency messaging platforms such as Solace, Tibco EMS, Kafka or Aeron.


• Familiarity with binary protocols and wire formats including SBE, FlatBuffers or Protobuf.


• Experience with AG Grid or similar enterprise-grade data grid frameworks.


• Exposure to containerised deployment environments and cloud-native architectures.


• Experience building applications for electronic trading, order management, market making, RFQ/RFS workflows or single dealer platforms.

Domain Knowledge

• Foreign Exchange (FX)


• Spot and Forward Trading


• FX Options


• Pricing and Market Making


• Transaction Cost Analysis (TCA)


• Market Data Platforms

We offer

• Opportunity to work on bleeding-edge projects


• Work with a highly motivated and dedicated team


• Competitive salary


• Flexible schedule
  
• Benefits package - medical insurance, sports


• Corporate social events


• Professional development opportunities


• Well-equipped office