IT & Software

Senior Low Latency Software Engineer - Equities Execution (SVP)

Citigroup

London · England · United Kingdom

Overview

As a Software Engineer in Citi’s Equities Electronic Execution team, you will design, build, and deliver a high-performance, low-latency trading platform. You’ll work with traders, researchers, and global partners to add features, improve execution quality, and expand liquidity sources. The role blends hands-on development with QA, AI-powered SDLC tools, and agile practices to release at scale. This is a chance to impact real markets and grow within a mentorship-driven environment with hybrid options.

Pay / Benefits

  • 27 days annual leave (plus bank holidays)
  • discretional annual bonus
  • Private Medical Care
  • Life Insurance
  • Employee Assistance Program
  • Pension Plan

Responsibilities
  • Design, develop and maintain low-latency electronic execution systems
  • Collaborate with traders, quant researchers and clients to translate needs into features
  • Improve testing frameworks, tools, and environments for reliability and scale
  • Leverage AI-powered development tools across the SDLC to boost productivity and quality
  • Promote Agile and CI/CD practices with focus on shift-left testing and faster releases
  • Build and maintain platform monitoring, trade reconciliation, and recovery capabilities

Key requirements
  • Strong knowledge of low-latency Java and Rust
  • Experience in developing electronic trading platforms in a global financial institution or equivalent
  • Automated testing techniques and quality engineering practices
  • Solid understanding of Agile methodologies and CI processes
  • Familiarity with low-latency system design, performance optimization, concurrency, high-throughput architecture
  • Ability to manage multiple tasks in a fast-paced, distributed environment
  • Excellent communication in multicultural, cross-regional contexts
  • Knowledge of regional exchange microstructure and regulatory regimes
  • C++ knowledge is a plus
  • Experience managing small teams is a plus
  • strong communication
  • cross-functional collaboration
  • prioritization and time management
  • Low-latency Java
  • Rust
  • Automated testing

Reference: WJ-799_29806654

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