Senior React Engineer Real-Time Trading Front Office

JUXT; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

JUXT is seeking a Senior React Engineer in London to join our Electronic Trading Technology team, delivering high-performance front-office systems with real-time data and low latency.

You will collaborate with backend engineers, apply modern testing practices, and leverage technologies like WebSockets, Kafka, and efficient front-end tooling to build scalable, resilient applications for traders worldwide.

Qualifications

• Experience building real-time, data-intensive applications.
• Experience with WebSockets, streaming data and event-driven architectures.
• Strong testing practices (Playwright, Cypress, Selenium etc.)
• Ability to work across the stack and collaborate closely with backend teams.

Responsibilities

• Work on high-performance front-office systems where latency and UX matter.
• Collaborate with backend teams to deliver end-to-end solutions.

Skills

Real-time data processing

Event-driven architectures

Testing practices

Cross-stack collaboration

Electronic trading domain

Tools

WebSockets

Solace Kafka Aeron

AG Grid

Protobuf/FlatBuffers/SBE

Job description

JUXT is seeking a Senior React Engineer in London to join our Electronic Trading Technology team, delivering high-performance front-office systems with real-time data and low latency.

You will collaborate with backend engineers, apply modern testing practices, and leverage technologies like WebSockets, Kafka, and efficient front-end tooling to build scalable, resilient applications for traders worldwide.