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C++ Software Engineer

role at

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.

Overview 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.

Responsibilities

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

Qualifications

Deep experience in C++ with a passion for clean, performant code

A solid 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

Location and relocation This role requires you to be based in one of our global offices listed below. If you are not currently located in one of these cities, we offer a comprehensive relocation package to support your move.

Seniority level

Mid-Senior level

Employment type

Full-time

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📌 C++ Software Engineer (Winnipeg)
🏢 Citadel Securities
📍 Winnipeg