Senior Low Latency Java Engineer - Equities Electronic- Execution (eTrading)

In this role you will design and deliver Citi’s next-generation low-latency equity execution platform, collaborating with traders, researchers and production teams. You’ll help build a high-performance, scalable system for algorithmic trading, SOR, dark pool and market-data processing, enabling faster, more automated client outcomes. You will work within a cross-functional, global team that values mentorship, innovation, and continuous learning, with opportunities for hybrid work. This is a leadership, impact-driven role within Citi’s Equities Technology transformation.

• 27 days annual leave (plus bank holidays)
• Discretionary annual bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave

• Design, develop and maintain high-performance low-latency execution systems
• Partner with traders, researchers and clients to translate needs into product features and enhancements
• Improve testing frameworks, tooling and environments for reliability and scale
• Leverage AI-powered development tools across the SDLC to boost productivity and quality
• Champion Agile development and CI/CD with a focus on shift-left testing and faster releases
• Build and maintain shared platform components for monitoring, reconciliation, and recovery

• Extensive experience with Low Latency Java
• Strong automated testing and quality engineering practices
• Familiarity with Agile methodologies and CI/CD processes
• Knowledge of low-latency system design, including concurrency and high-throughput architecture
• Ability to manage multiple tasks in a fast-paced, globally distributed environment
• Excellent communication in a multicultural, cross-regional setting
• Knowledge of regional exchange microstructure and regulatory regimes

• cross-functional collaboration
• effective communication
• ability to grasp complex concepts across regions
• Low Latency Java
• Automated testing
• Quality engineering