Senior C++ Developer - Low Latency Trading Systems

Venture outside the ordinary - TMX Careers

The TMX group of companies includes leading global exchanges such as the Toronto Stock Exchange, Montreal Exchange, and numerous innovative organizations enhancing capital markets. United as a global team, we’re connecting cross-functionally, traversing industries and geographies, moving opportunity into action, advancing global economic growth, and propelling progress. Through a rich exchange of ideas, meaningful collaboration, and a nimble operating model, we're powering some of the nation's most critical systems, fueling capital formation and innovation, bringing increased opportunity to business visionaries, product ingenuity to consumers, and career exploration to our team.

Ready to be part of the action?

TMX facilitates fully electronic trading on Canada's premier equities exchanges: Toronto Stock Exchange (TSX), TSX Venture Exchange (TSXV), and TSX Alpha Exchange (TSXA). We power the Canadian capital markets through our proprietary, world-class high-performance trading system. Our mission is to provide efficient, fair, and transparent services that meet the unique needs of global traders and investors while driving liquidity and innovation.

Role Summary

As a Senior C++ Developer, you will be at the heart of our mission-critical infrastructure. You aren’t just writing code; you are engineering the low-latency engines that power the nation's economy. Leveraging advanced technical expertise and a solution-oriented mindset, you will drive the entire project lifecycle—from conceptual architecture and high-performance design to agile execution and production support.

Reports to: Senior Manager and Squad Lead, Equities Trading

Location: Hybrid (2 to 3 days/week in office) – We are open to candidates being located in one of our Canadian office locations: Toronto or Montreal.

Key Accountabilities:

• Engineer Performance: Develop and deliver ultra-low latency, highly available, and sustainable real-time trading, risk management, and data analytics applications.

• Architect Solutions: Contribute to the end-to-end design of multi-tier applications interfacing with complex distributed external systems and global clients.

• Agile Collaboration: Work as a key contributor within an Agile Squad, translating complex requirements into high-impact code to meet sprint goals.

• Mentor & Lead: Provide technical guidance to junior developers, fostering a culture of excellence and continuous learning.

• Ensure Excellence: Lead code reviews to identify performance bottlenecks and language-specific issues, ensuring all code aligns with TMX’s rigorous enterprise standards.

• Optimize Operations: Prepare high-quality technical and procedural documentation and provide Tier-3 support to ensure the integrity of our production environment.

Skills & Experience

Must Have(s):

• 5–7+ years of experience in high-performance application development using C++ and STL.

• Education: Post-secondary degree in Computer Science or a related technical field.

• Systems Expertise: Proficiency in Object-Oriented Analysis & Design (OOAD), Multithreading, Design Patterns, and TCP socket programming.

• Technical Stack: Hands-on experience with Linux (RedHat), Perl, Python, and SQL RDBMS (Oracle).

• Real-Time Mastery: Proven track record in designing and developing real-time, mission-critical business applications.

• Communication: Exceptional interpersonal skills with the ability to simplify complex technical concepts for diverse stakeholders.

• CI/CD: Experience with CI/CD Pipeline and with automated testing

• Language Skills: 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.

Nice to Have(s):

• Architect Solutions: Contribute to the end-to-end design of multi-tier applications interfacing with complex distributed external systems and global clients.

• Middleware & Protocols: Experience with Dolphin Cards , Unix Sockets, Shared memory optimization and a deep understanding of the FIX Protocol.

• Financial Domain: Advanced knowledge of electronic trading applications and capital markets workflows.

• Agile Mindset: Strong experience working within Agile methodologies and a "fail forward" growth mindset.

Salary Range: $120,000/year - $130,000/year CAD.

The salary offered may vary based on factors including, but not limited to, the successful candidate’s relevant knowledge, skills, and experience.

The recruiting efforts for this role are intended to fill a vacant position.

In the market for…

Excitement - Explore emerging technology and innovation, as well as ventures and digital finance that shape the future of global markets! Experience the movement of the market while grounded in the stability of close to 200 years of success.

Connection - With site hubs in some of the world’s most multicultural cities, we leverage our size and structure to create rich connections and belonging while experiencing powerful global impact through our work.

Impact - More than a platform, we use our talents to power mission-critical systems that drive global economic advancement, innovation, and growth. As well, our employee-led spreads social good via our giving strategy.

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!

Growth - From a growth mindset in our work, to expansion in our business, TMX is home to action-takers energized by the achievement of ambitious growth.

Ready to enrich your career with impactful work, leaders who truly care, and the flexibility and programs to help you thrive as part of #TeamTMX ? Apply now.