Senior Ultra-Low Latency Trading Engineer — Onsite London

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

Job summary

CMC Markets in London is seeking a Senior FO Trading Engineer to join the Quantitative Strategies team within Pricing & Risk. You will design and build ultra-low latency pricing and risk systems powering our high-frequency trading platform, working onsite at our London office near Liverpool Street.

The role focuses on performance-critical development, system ownership, and collaboration with Quants, Front Office and Ops. This is a senior technical leadership position in a fast-paced environment.

Qualifications

• Strong hands-on Java development in low-latency financial systems.
• Deep knowledge of performance optimization, concurrency, and JVM internals.
• Experience with pricing, risk or electronic trading platforms.
• Familiarity with FIX protocol and broker connectivity.
• Ability to mentor engineers and influence technical direction.
• Experience with asset classes such as FX, Equities, Commodities or Derivatives.

Responsibilities

• Develop and optimise ultra-low latency pricing and risk components.
• Design scalable, resilient trading and risk systems.
• Collaborate with Quants, Front Office and Operations on live trading.
• Provide technical leadership and code quality across the stack.

Skills

Java Low Latency

Concurrency & JVM

Pricing Platforms

FIX Protocol

Math & Problem Solving

Front-Office Calmness

Mentoring Engineers

Job description

CMC Markets in London is seeking a Senior FO Trading Engineer to join the Quantitative Strategies team within Pricing & Risk. You will design and build ultra-low latency pricing and risk systems powering our high-frequency trading platform, working onsite at our London office near Liverpool Street.

The role focuses on performance-critical development, system ownership, and collaboration with Quants, Front Office and Ops. This is a senior technical leadership position in a fast-paced environment.