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# Software Engineer

- **Company:** Citadel LLC
- **Location:** New York, NY, United States
- **Salary:** $255,000.0 - $295,000.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Java (Programming Language), C Sharp (Programming Language), C++ (Programming Language), Data Structures, Perl (Programming Language), Python (Programming Language), Machine Learning, Routing, Object-Oriented Software Development, Software Engineering, Build Management, Information Technology, Low Latency
- **Published:** October 26, 2026
- **Apply:** https://www.juju.com/job/1_73498F613A6D484285184C187AE0CB9A-NY1714985

## About the Role

Requires a Bachelors or foreign equivalent degree in Computer Science, Engineering, or a related field.
Education, training, or experience must include: o Object-oriented programming and design; o End-to-end software development;o C, C++, C#, Java, Python, or Perl;o Statistical analysis;o Data structures, algorithms, and computer architecture; ando Machine Learning techniques.

## Description

Software Engineer positions offered by Citadel Securities Americas Services LLC (New York, New York).
Design and build software components that power proprietary options trading platforms, with a focus on order entry, execution, and exchange connectivity.
Develop high-performance, low-latency systems supporting order routing, risk controls, and real-time market data processing.
Enhance core trading infrastructure to improve scalability, resiliency, and execution performance while supporting new products and trading strategies.
Collaborate closely with traders, quantitative researchers, and technology teams to design, implement, and deploy reliable, high-quality trading solutions.
Provide day-to-day support for production trading applications and the underlying infrastructure.