Citadel Securities — Software Engineer

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Added: 29 September 2026
Description: Citadel Securities is a technology-driven, next-generation global market maker providing institutional and retail investors with world-class liquidity, competitive pricing, and seamless front-to-back execution across a broad range of financial products. What you'll do: break down intricate challenges and deliver clear, elegant solutions that drive real world outcomes; design, build and maintain high performance systems that are the backbone of the trading infrastructure; continuously push the limits of latency, reliability, and throughput in a distributed environment; collaborate directly with traders, researchers, and fellow engineers to deliver ideas into production; own code in production — monitoring, supporting, and improving it every day. What they're looking for: deep experience in C++ with a passion for clean, performant code; a strong grasp of multithreading, concurrency, and distributed systems; curiosity to explore how things work and a drive to improve them; clear, thoughtful communication and the ability to thrive in a high ownership environment; Bachelor's (or higher) degree in Computer Science, Engineering or related field. Background in trading or finance is a plus but not a requirement. Base salary range: $150,000 to $300,000, plus discretionary incentive compensation and benefits (medical/life insurance, retirement and tax-free savings plans, healthcare programs).

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