Java Engineer - FICC eTrading, Low-Latency Systems

JPMorgan Chase & Co.; City of Westminster; On-site; GBP 70,000 - 120,000; Full time

Job summary

J.P. Morgan in London (City of Westminster) seeks a software engineer to design, build and improve secure, scalable trading technology across the software development lifecycle. You will learn from peers, use modern tooling, and contribute to high‑quality delivery.

If you enjoy solving problems and continuous improvement, this is a strong next step. You will work on electronic trading systems, focusing on performance, reliability and production readiness, with opportunities to contribute to

Qualifications

• Proven hands-on experience across system design, application development, testing and production support.
• Strong OOP/design patterns understanding and clean code practices.
• Experience with FIX protocol.
• Knowledge of fixed income products.
• Exposure to agentic AI.
• Strong coding skills in Java and Spring with solid fundamentals.

Responsibilities

• Design, build, test, and deliver high-quality software solutions for electronic trading systems, from requirements through production rollout.
• Contribute to architecture decisions, ensuring solutions are secure, scalable, and resilient.
• Build and maintain low-latency, high-throughput services with a strong focus on performance, reliability, and correctness.
• Integrate services with internal and external systems, ensuring well-defined interfaces, robust error handling, and operational readiness.
• Own production outcomes by participating in on-call/support, triaging incidents, performing root-cause analysis, and driving permanent fixes.
• Improve engineering standards through code reviews, automated testing, CI/CD, observability, and continuous refactoring to strengthen system health.
• Contribute to an inclusive team culture and actively engage in communities of practice to evaluate and adopt relevant emerging technologies.

Skills

Java

Spring

OOP/design patterns

Fixed income knowledge

FIX protocol

Agentic AI exposure

Job description

J.P. Morgan in London (City of Westminster) seeks a software engineer to design, build and improve secure, scalable trading technology across the software development lifecycle. You will learn from peers, use modern tooling, and contribute to high‑quality delivery.

If you enjoy solving problems and continuous improvement, this is a strong next step. You will work on electronic trading systems, focusing on performance, reliability and production readiness, with opportunities to contribute to