IT & Software

Software Developer C++

Cantor Fitzgerald

London · England · United Kingdom

Overview

In this role you will design, develop and enhance high-performance trading components such as matching engines and FIX gateways. You will work within the Electronic Products team to deliver low-latency, scalable applications in Java and C++. You’ll support real-time market data and trading gateways while maintaining existing Java-based systems. You’ll collaborate with trading, product, and infrastructure teams to drive stable, efficient solutions that meet demanding financial services needs.

Responsibilities

  • Design, develop, and enhance matching engines, FIX gateways, and electronic trading apps
  • Build and maintain high-performance, low-latency applications using Java and C++
  • Develop client-server apps and real-time market data/trading gateways
  • Maintain and enhance existing Java and JavaScript-based applications
  • Work with FIX and other electronic trading protocols for seamless integration
  • Develop efficient in-memory data structures and processing techniques
  • Troubleshoot production issues and improve stability and scalability
  • Collaborate with cross-functional teams (trading, product, infrastructure) to deliver robust trading solutions
  • Support full software development lifecycle for deployment and maintenance

Key requirements
  • 5+ years of professional software development experience
  • Strong focus on Java development
  • Working knowledge of C and C++, with familiarity in Python
  • Hands-on experience with FIX or similar electronic trading protocols
  • Proven track record in high-frequency, low-latency, or electronic trading environments
  • Strong understanding of networking concepts (TCP/IP, UDP, unicast, multicast)
  • Good knowledge of Linux (system calls, multithreading, IPC, sockets, scheduling)
  • Experience with performance-focused programming for HFT systems
  • Excellent understanding of in-memory data management and optimization techniques
  • Knowledge of NUMA architectures (advantage)
  • Experience with client-server apps and an understanding of performance, concurrency, and networking
  • collaboration across cross-functional teams
  • problem-solving mindset
  • attention to performance and reliability
  • Java
  • C++
  • C

Reference: WJ-799_20817655

Apply now

Continue on the employer's official application - the same link they use for every candidate.

More jobs

This role is listed on GigBlows for discovery and search. Hiring decisions and applications are handled by the employer or their chosen application system.