Job Description Role Summary Our Software Engineers create next-generation software to support business areas across the firm in developing and delivering custom-solutions that optimize performance and efficiency. Opportunities may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel, please share your details and we will contact you if there is a vacancy available. Objectives Build, maintain, and support one of the world's most powerful trading platforms while continuously improving performance, functionality, and stability of the system Design, develop, test, and deploy elegant software solutions across the firm Partner with business leaders to define priorities and deliver custom solutions Analyze complex business and technical problems Make sound decisions proactively and in a self-directed manner Provide timely systems support for trading activities Skills and Preferred Qualifications A

deep passion for technology and software development In-depth experience working in C++ The ambition to solve open-ended problems using analytical methods Sound understanding of multi-threaded application design and development Professional experience working with distributed systems Strong communication and interpersonal skills applicable to a dynamic trading environment Minimum Bachelor's degree in Computer Science or related field Experience with proprietary trading is preferable but not necessary In accordance with applicable law, the base salary range for this role is $125,000 to $150,000. In addition, the employee who fills this role will be eligible to participate in a discretionary incentive compensation program, as well as a wide array of benefit programs, such as medical and life insurance, retirement and tax-free savings plans, and access to other healthcare programs. About Citadel Securities Citadel Securities is the next-generation capital markets firm and a leading global
market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market's most critical challenges, turning big ideas into real-world outcomes.