C++ Software Engineer

Citadel Securities; Canada; On-site; CAD 80,000 - 130,000; Full time

Job summary

A leading capital markets firm in Ontario is seeking a driven C++ Software Engineer to design, build, and maintain high-performance trading systems. This mid-senior level role emphasizes solving complex challenges with clean code and collaboration with traders. Applicants should have a deep knowledge of C++, and a background in trading is a plus. This role includes a comprehensive relocation package.

Qualifications

• Deep experience in C++ with a passion for clean, performant code.
• Strong grasp of multithreading, concurrency, and distributed systems.
• Curiosity to explore how things work and a drive to improve them.

Responsibilities

• Break down intricate challenges and deliver clear, elegant solutions.
• Design, build and maintain high performance systems.
• Continuously push the limits of latency, reliability, and throughput.

Skills

C++

Multithreading

Concurrency

Distributed Systems

Clear Communication

Education

Bachelor’s degree in Computer Science or Engineering

Job description

Join to apply for the 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 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

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