IT & Software

Low Latency E-Trading Software Engineer (VP)

Citigroup

London · Greater London · United Kingdom

Overview

As a Lead Software Engineer in Citi's Equities Electronic-Execution team, you will design and deliver a low-latency trading platform that handles high-throughput execution, routing, and data processing. You will work with traders, quants, and cross-functional teams to translate needs into impactful product features. The role emphasizes platform reliability, scale, and continuous delivery with AI-enabled development tooling. This is a globally distributed, fast-paced environment offering mentorship and hybrid work options. You will help shape the future of electronic trading at Citi.

Pay / Benefits
  • hybrid working model
  • 27 days annual leave
  • discretionary annual bonus
  • Private Medical Care
  • Life Insurance
  • Pension Plan
Responsibilities
  • Design, develop, and maintain high-performance, low-latency electronic execution systems
  • Collaborate with traders, quantitative researchers, and clients to define features and enhancements
  • Improve testing frameworks, tools, and environments to ensure reliability and scale
  • Leverage AI-powered development tools across the SDLC to boost productivity and quality
  • Champion Agile practices and CI/CD with a focus on shift-left testing and faster releases
  • Build and maintain common monitoring, reconciliation, and recovery solutions for the trading platform
Key requirements
  • Strong expertise in low-latency Java and Rust
  • Experience developing electronic trading platforms in a global financial institution or equivalent
  • Solid automated testing and quality engineering knowledge
  • Familiarity with Agile methodologies and CI processes
  • Understanding of low-latency system design, performance optimization, concurrency, and high-throughput architectures
  • Ability to manage multiple tasks in a fast-paced, globally distributed environment
  • Excellent communication across multicultural, cross-regional teams
  • Knowledge of regional exchange microstructure and regulatory regimes
  • C++ knowledge is a plus
  • Prior experience managing small teams is a plus
  • clear communication
  • cross-functional collaboration
  • adaptive and proactive
  • Java (low-latency)
  • Rust
  • C++ (advantage)

Reference: WJ-747_31210663 · Posted 01 Nov 2026, 12:15 PM

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