Java Developer-Full stack with React.js

Java Developer - Full Stack (Java 21 / React.js) Location: London (Hybrid - 3 days onsite)Contract: 6-Month Contract with high potential for extension (Inside IR35 via Umbrella)Day Rate: Competitive

Client: Our client is a leading global financial institution with a strong presence in capital markets. They offer a stable, collaborative environment with a focus on trading, risk management, and derivatives. The firm combines global reach with innovative technology to support its front-office operations

You'll play a key role in building full-stack solutions using Java 21 and React.js, collaborating closely with traders, risk managers, and quant teams in a dynamic and fast-paced environment.

What You'll Do:

• Build robust front-to-back trading and risk systems using Java 21 and React.js
• Work across teams (Trading, Risk, Quants, DevOps) to deliver scalable solutions
• Focus on performance, maintainability, and reliability from day one
• Enhance CI/CD pipelines and development processes
• Support production environments (Level 3 support)

What You Bring:

• Strong Java (streams, lambdas, concurrency) and front-end skills with React.js
• Deep knowledge of multithreaded, distributed systems and asynchronous architecture
• Experience with JVM tuning and observability tools (Prometheus, Elastic, etc.)
• TDD, CI/CD, and agile delivery experience
• Ability to deliver from design to deployment

Bonus Points:

• Experience in Front Office, Risk, or Pricing within investment banking
• Kafka, GRPC, Docker/Kubernetes, cloud-native development
• Knowledge of risk sensitivities and front-to-back processes

Join a leading global financial group and help shape the next generation of trading and risk technology.

Apply now to learn more.

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