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Quantitative Research Engineer

Citadel SecuritiesPosted Jul 19, 2026
Miami (USA)
Prop TradingQuantMid-Senior

About this role

Responsibilities

  • Collaborate closely with quantitative researchers to translate mathematical models into production-grade, ultra-low latency implementations
  • Maintain and improve trading algorithms by looking for both quantitative and performance-based opportunities
  • Apply advanced mathematical and computational techniques to market microstructure problems
  • Develop and optimize high performance C++ for real-time trading systems

Profile, measure, and reason rigorously about system behavior under extreme performance constraints

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