Performance test engineer Jobs in Ajax, ON

Job Description

Vacancy Status:

This posting is not for an existing vacancy within the organization and is open to new applications.

AI Disclosure:

As part of the application process, Artificial Intelligence will be used in the hiring process for this role

Work Arrangement: This role is categorized as hybrid. This means the successful candidate is expected to report to the office three days per week, at minimum

The Role:

General Motors is undergoing a major transformation in how we design, develop, andvalidatesoftware. As part of theSoftware Defined Vehicle – Embedded Platformsorganizationthis role is within theVirtualization and Software-in-the-Loop (SIL)group, whichis responsible forcreating virtual in-the-loop environments to enable development, verification, and validation of embedded controllers, production software, and calibrations across the vehicle/mechatronics domains.

You will join our engineering organization as a Software Development Engineer in Test (SDET), responsible for building robust, scalable, and automated testing solutions that ensure the quality, reliability, and performance of our products. This role blends software engineering with a passion for quality, enabling you to influence architecture, improve testability, and drive engineering excellence across teams.

What You'll Do (Responsibilities):

• Design automated test frameworks — Build andmaintainscalable automation frameworks for UI, API, and integration testing.

• Develophigh‑qualitytest automation — Write clean, maintainable, and efficient automated tests using modern tools and languages.

• Collaborate withmechatronicsengineering teams — Partner with developers, product managers, and QA to define test strategies and ensure testability in design.

• Improve CI/CD pipelines — Integrate automated tests into continuous integration systems andoptimizebuild/test workflows.

• Analyze defects and root causes — Investigate failures,identifypatterns, and drivelong‑termquality improvements.

• Champion quality engineering practices — Advocate for automation, code quality, and engineering excellence across the organization.

Your Skills & Abilities (Qualifications):

• Bachelor's degree in engineering, Computer Science, or related field.

• 7+ years of relevant experience.

• Strong programming skills in languages such as Java, C#, Python, or JavaScript.

• Experience with test automation tools like Selenium, Playwright, Cypress, Appium, or similar.

• Solid understanding of QA methodologies, testing types, and software development lifecycles.

• Hands‑onexperience with APIs and tools such as Postman, REST Assured, or similar.

• Familiarity with CI/CD systems such as Azure DevOps, GitHub Actions, Jenkins, or GitLab.

• Strong debugging and analytical skills with the ability to isolate issues quickly.

• Experience working in Agile environments and collaborating incross‑functionalteams.

What Will Give You a Competitive Edge (Preferred Qualifications) :

• Experience with cloud platforms such as Azure, AWS, or GCP.

• Performance or load testingexpertiseusing tools like JMeter, k6, or Gatling.

• Security testing exposure or familiarity with OWASP principles.

• Knowledge of containerization (Docker, Kubernetes) and microservices testing strategies.

• Background in test data management and environment configuration.

• Contributions to automation framework design at scale.

Compensation:

The salary range for this role is $115,000 to $164,600. The actual base salary a successful candidate will be offered within this range will vary based on factors relevant to the position.

GM DOES NOT PROVIDE IMMIGRATION-RELATED SPONSORSHIP FOR THIS ROLE. DO NOT APPLY FOR THIS ROLE IF YOU WILL NEED GM IMMIGRATION SPONSORSHIP NOW OR IN THE FUTURE.

Benefits Overview

The goal of the General Motors of Canada total rewards program is to support the health and well-being of you and your family. Our comprehensive compensation plan currently includes the following benefits, in addition to many others:

• Paid time off including vacation days, holidays, and supplemental benefits for pregnancy, parental and adoption leave;

• Healthcare, dental, and vision benefits;

• Life insurance plans to cover you and your family;

• Company and matching contributions to a Defined Contribution Pension plan to help you save for retirement;

• GM Vehicle Purchase Plan for you, your family and friends.

About GM

Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all.

Why Join Us

We believe we all must make a choice every day – individually and collectively – to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team.

Non-Discrimination and Equal Employment Opportunities

General Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that providing an inclusive workplace creates an environment in which our employees can thrive and develop better products for our customers.

We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visitHow we Hire.

Accommodations

General Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, emailus or call us at 1-800-865-7580. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.