Senior C++ Developer – Low Latency Trading Systems

TMX Group

Senior C++ Developer engineering low-latency systems at TMX Group. Focused on high-performance applications to support Canada's trading infrastructure with Agile collaboration.

Posted 4/15/2026full-timeToronto • 🇨🇦 CanadaSenior💰 CA$120,000 - CA$130,000 per yearWebsite

Tech Stack

Tools & technologies

LinuxOraclePerlPythonRDBMSSQL

About the role

Key responsibilities & impact

Develop and deliver ultra-low latency, highly available, and sustainable real-time trading, risk management, and data analytics applications.
Contribute to the end-to-end design of multi-tier applications interfacing with complex distributed external systems and global clients.
Work as a key contributor within an Agile Squad, translating complex requirements into high-impact code to meet sprint goals.
Provide technical guidance to junior developers, fostering a culture of excellence and continuous learning.
Lead code reviews to identify performance bottlenecks and language-specific issues, ensuring all code aligns with TMX’s rigorous enterprise standards.
Prepare high-quality technical and procedural documentation and provide Tier-3 support to ensure the integrity of our production environment.

Requirements

What you’ll need

5–7+ years of experience in high-performance application development using C++ and STL.
Post-secondary degree in Computer Science or a related technical field.
Proficiency in Object-Oriented Analysis & Design (OOAD), Multithreading, Design Patterns, and TCP socket programming.
Hands-on experience with Linux (RedHat), Perl, Python, and SQL RDBMS (Oracle).
Proven track record in designing and developing real-time, mission-critical business applications.
Exceptional interpersonal skills with the ability to simplify complex technical concepts for diverse stakeholders.
Experience with CI/CD Pipeline and with automated testing.
For Montreal, fluency in both French and English (written and spoken) is required, as this role involves regular interaction with partners and stakeholders in both languages.

Benefits

Comp & perks

Wellness - From empathetic leadership to a culture of flexibility and balance, we believe wellness at work creates the maximum yield and a stronger “we”. Plus, with a cloud-first and hybrid workstyle, as well as generous time-off and leaves, we support a life well lived!

ATS Keywords

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Hard Skills & Tools

C++STLObject-Oriented Analysis & DesignMultithreadingDesign PatternsTCP socket programmingLinuxPerlPythonSQL RDBMS

Soft Skills

interpersonal skillstechnical guidancecode reviewssimplifying complex conceptscontinuous learning

Certifications

post-secondary degree in Computer Science