IT & Software

Low Latency E-Trading Software Engineer (VP)

Citigroup

London · Greater London · United Kingdom

Overview

In this role you will help build Citi’s next-generation low-latency electronic execution platform, collaborating with traders, quants, and cross-functional partners. You’ll shape high-performance trading systems and leverage AI-powered development tools to enhance SDLC, testing, and delivery at scale. The position sits at the intersection of technology, markets, and global strategy, offering mentorship and a path to impact across regions. You will drive improvements in latency, throughput, and reliability to support real-time financial decisions.

Pay / Benefits
  • 27 days annual leave
  • Discretional annual performance-related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
Responsibilities
  • Design, develop and maintain high-performance, low-latency electronic execution systems
  • Collaborate with traders, quants and clients to translate needs into product features
  • Enhance testing frameworks, tools, and environments for reliability and scale
  • Leverage AI-powered tools across the Software Development Life Cycle (SDLC) to boost productivity and code quality
  • Contribute to Agile practices and CI/CD with a focus on shift-left testing and faster releases
  • Build and maintain shared solutions for trading platform monitoring, reconciliation, and recovery
Key requirements
  • Strong expertise in low-latency Java and Rust
  • Experience developing electronic trading platforms in a global financial setting
  • Solid automated testing knowledge and quality engineering practices
  • 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, distributed environment
  • Excellent communication skills in a multicultural, cross-regional context
  • Knowledge of regional exchange microstructure and regulatory regimes
  • C++ experience would be advantageous
  • Prior experience managing small teams is a plus
  • Excellent communication
  • Cross-functional collaboration
  • Ability to work in fast-paced, global teams
  • Low-latency Java
  • Rust
  • C++ (advantage)

Reference: WJ-747_30920652

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