IT & Software

Front Office Software Engineer

CMC Markets

London · Greater London · United Kingdom

Overview

In this role you will build and optimize ultra-low latency Java systems for pricing, risk, and trading within a high-performance market-making stack. You will collaborate with Quants and front-office teams to support live trading and continuously evolve the electronic trading infrastructure. The position emphasizes concurrency, memory management, and scalable design in a fast-paced, London-based environment. This is a hands-on, impact-driven opportunity to shape global trading operations and risk systems while advancing engineering excellence.

Pay / Benefits
  • onsite role in London
  • high-visibility, performance-driven culture
  • career progression into senior technical/leadership roles
  • continuous learning and technical excellence
  • equal opportunities employer
  • close proximity to trading floor and real-time market operations
Responsibilities
  • Develop and optimize high-performance Java systems for pricing, risk and trading
  • Enhance low latency, high-throughput architecture components
  • Apply advanced concurrency and memory management techniques
  • Design scalable, resilient systems and contribute to architecture decisions
  • Build monitoring, maintenance and performance-diagnostics tooling
  • Collaborate with Quants, Financial Engineering, Front Office and Business Operations
  • Support live trading, troubleshoot time-critical production issues
  • Mentor junior developers and promote best practices in code and design
Key requirements
  • 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 FX, Equities, Commodities or Derivatives (preferred)
  • Calmness in a fast-paced front-office trading environment
  • Experience mentoring engineers and influencing technical direction
  • Minimum 2:1 degree in related numerate disciplines
  • collaboration with cross-functional teams
  • mentorship and coaching
  • problem-solving under pressure
  • Java 21+
  • low-latency programming
  • concurrency

Reference: WJ-747_30175227

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