Senior Low-Latency Java Engineer - Front Office Trading

CMC Singapore; Greater London; On-site; GBP 120,000 - 190,000; Full time

Job summary

CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform in London. This hands-on role is at the core of our market-making technology stack, where nanoseconds matter and engineering excellence is critical.

You will design and build ultra-low latency pricing and risk systems, mentor junior engineers, and collaborate with Quants, Front Office and Operations to support

Qualifications

• Strong hands-on Java development in low-latency financial systems.
• Deep understanding of performance optimisation, concurrency and JVM internals.
• Experience on pricing, risk or electronic trading platforms.
• Knowledge of FIX protocol, order routing and broker connectivity beneficial.
• Strong mathematical and problem-solving mindset.
• Experience across asset classes such as FX, Equities, Commodities or Derivatives.

Responsibilities

• Develop and optimise high-performance Java systems for pricing, risk and trading.
• Build and enhance components within a low latency, high-throughput trading architecture.
• Take responsibility for designing scalable, resilient and maintainable systems.
• Contribute to architectural decisions across the trading and risk platform.
• Provide guidance and mentorship to junior developers.

Skills

Java developer

Performance optimisation

Concurrency

JVM internals

Electronic trading

Mentorship

Education

2:1 Computer Science / Mathematics / Physics or numerate discipline

Job description

CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform in London. This hands-on role is at the core of our market-making technology stack, where nanoseconds matter and engineering excellence is critical.

You will design and build ultra-low latency pricing and risk systems, mentor junior engineers, and collaborate with Quants, Front Office and Operations to support