Test Engineer jobs in Ontario

As a Lead QA Test Engineer, you'll play a critical role in ensuring the quality, reliability, and performance of Nasdaq's North American equities market systems — some of the most complex and high-stakes trading platforms in the world.

You'll thrive in this position if you're detail-oriented, technically sharp, and passionate about building systems that work flawlessly under pressure in a fast-paced, high-impact environment.

Key Responsibilities

• Design, execute, and maintain comprehensive test plans and scripts to validate the quality and performance of core trading and market data systems.
• Collaborate with development and project management teams to identify, document, and drive resolution of software defects across the full release cycle.
• Lead test planning across all applicable phases, ensuring complete documentation and a clear resolution path for any issues identified.
• Develop and maintain internal testing tools and frameworks that improve efficiency and quality across the broader engineering team.
• Define and continuously improve release and quality assurance procedures to support consistent, scalable software delivery.

Required Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 5+ years of experience in software quality assurance and functional testing within a high-performance or financial technology environment.
• Proven experience with automated testing frameworks and back-end systems testing in a command-line/server-based environment.
• Strong scripting skills with the ability to build and maintain test automation and tooling.
• Familiarity with source code management and defect tracking tools used in agile or fast-paced development workflows.

Nice to Have

• Experience testing financial or trading systems, including order routing or market data platforms.
• Exposure to messaging protocols used in financial markets environments.
• Background in quality process improvement or business process analysis.

This position will be located in Toronto and offers the opportunity for a hybrid work environment at least 3 days a week in-office.

This posting is for an existing vacancy within Nasdaq.

Come as You Are

Nasdaq is an equal opportunity employer. We welcome applications from candidates of all backgrounds and identities.

We are committed to fostering an inclusive workplace where diverse perspectives, experiences, and identities are valued and celebrated.

We ensure that individuals with disabilities are provided with reasonable accommodation throughout the hiring process.

What We Offer

We’re proud to offer a competitive rewards package that is meaningful, recognizes the unique needs of our employees and their families and incentivizes employees for their contribution to Nasdaq’s overall success.

The base pay range for this role is $106,000 - $148,000. In addition to base salary, Nasdaq provides a generous annual bonus/commission (short-term incentive), and equity (long-term incentive), comprehensive benefits, and opportunity for growth. Exact compensation may vary based on several job-related factors that are unique to each candidate, including but not limited to: skill set, experience, education/training, business needs and market demands.