C++ Software Engineer

We’re looking for driven innovators and optimizers who are excited about cutting-edge technology and making a measurable impact. If you’re passionate, obsessed with performance, and excited to work where nanoseconds matter, read on.

What You’ll Do

Solve What Matters: Break down intricate challenges and deliver clear, elegant solutions that drive real world outcomes

Build and Scale: Design, build and maintain high performance systems that are the backbone of our trading infrastructure

Optimize Everything: Continuously push the limits of latency, reliability, and throughput in a distributed environment

Partner and Deliver: Collaborate directly with traders, researchers, and fellow engineers to deliver ideas into production

Own it in production: Take pride in running your code live – Monitoring, supporting and improving it every day

What we are 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 a Computer Science, Engineering or related field

Background in Trading or finance is a plus but not a requirement

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 Securities, please share your details and we will contact you if there is a vacancy available.