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Low Latency E-Trading Software Engineer
Hybrid · London, England, United Kingdom
Job Summary
Design, develop, and deliver Citi's low-latency electronic execution platform for equities, including Algorithmic Trading, Smart Order Routing (SOR), Dark Pool & Internalization engines, low-latency client & exchange connectivity, and high-throughput market data processing. Collaborate with traders, quantitative researchers, and clients to translate needs into innovative features and performance improvements; continuously improve testing frameworks, development tools, and environments to ensure platform reliability at scale. Leverage Citi's AI-powered SDLC tools, champion Agile and CI/CD practices, and build platform monitoring, trade reconciliation, and application recovery capabilities. Strong focus on low-latency system design, concurrency, and high-throughput architecture, with experience in Java and Rust; familiarity with C++ is a plus; prior experience in electronic trading within a global financial institution is preferred.
Required Qualifications
- Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent professional experience
- Strong technical knowledge and expertise in Low latency Java and Rust
- Prior experience in developing electronic trading platforms in a global financial institution or equivalent environment
- Strong understanding of automated testing techniques and quality engineering practices
- Solid understanding of Agile methodologies and Continuous Integration processes
- Familiarity with low-latency system design, including performance optimization, concurrency, and high-throughput architecture
- Ability to prioritize multiple tasks, set goals, and meet deadlines in a fast-paced, globally distributed environment
- Excellent communication skills with a demonstrable ability to present and grasp complex concepts in a multicultural, cross-regional environment
- Knowledge of regional exchange microstructure and regulatory regimes
- Knowledge of C++ would be an advantage
- Prior experience in managing small teams is a plus
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