Low-Latency Java Engineer at Citi

Accelerate your career as a Low-Latency Java Data Systems Engineer with Citi’s Equities Electronic Execution technology team. This role focuses on building robust data foundations for electronic trading systems.
Citi is seeking a seasoned engineer with 7+ years in low-latency Java or similar technologies. You will design and build efficient data pipelines that ensure reliability while integrating real-time event streams into KDB+ platforms. The role demands a strong grasp of market data processing and FIX protocols, with an emphasis on achieving predictable latency.
Key Responsibilities:
• Design low-latency Java pipelines for order processing
• Develop GC-sensitive data-plane systems using advanced techniques
• Implement robust fan-out and recovery mechanisms
• Handle FIX messages, sequencing, and state reconstruction
• Integrate real-time event streams for analytics and regulatory needs
Requirements:
• 7+ years in low-latency Java, C++, or Rust
• Strong ...

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