Software Development Engineer in Test

Team: Quality Assurance

Location: Toronto

Commitment: Full-Time

Workplace Type: hybrid

About Us

The Role

What You'll Do

Test Automation & Quality Engineering

• Design, develop and maintain scalable automated test frameworks and test suites using Python and Pytest.
• Create and execute end-to-end, integration, regression and smoke tests for browser based applications driven by Playwright.
• Implement robust test automation solutions following established design patterns and best practices (e.g Page Object model, fixtures, reusable modules, etc).
• Collaborate closely with developers, product owners and other stakeholders to understand requirements and define test strategies.
• Participate in requirements reviews, design discussions and sprint ceremonies to ensure quality considerations are addressed early in the planning process.
• Analyze test results and reports, investigate failures, identify root causes and work with development teams to resolve defects.

API Testing

• Design and execute comprehensive automated tests for backend services and APIs (REST/SOAP/GraphQL).
• Validate API functionality, compliance to OpenAPI Specification documentation, authentication/authorization and error handling.
• Integrate API testing into CI/CD pipelines (e.g GitHub Actions) to support continuous testing initiatives.

Performance & Load Testing

• Develop and execute performance, load and stress tests to evaluate system reliability and scalability under various workloads.
• Define realistic workload models and performance acceptance criteria based on business and technical requirements.
• Analyze performance metrics, identify bottlenecks and provide actionable recommendations for optimization.
• Collaborate with development and infrastructure teams to troubleshoot and improve application performance.

CI/CD – Test Infrastructure

• Integrate automated tests into CI/CD pipelines (e.g GitHub Actions).
• Support implementing quality gates within the deployment process to ensure rapid and reliable delivery.
• Contribute to maintaining test environments, test data strategies and requirements, automation infrastructure.
• Monitor and improve test execution efficiency, reliability and reporting.

Quality Advocacy

• Author and maintain comprehensive test plans, strategies and detailed test cases in the company's TCMS (TestRail), based on business, functional and technical requirements.
• Promote quality engineering best practices throughout the organization.
• Mentor team members on automation solutions, testing strategies and quality standards.
• Drive continuous improvement initiatives related to test automation, performance testing and overall software quality.

About You

• 4-6+ years of hands-on experience as an SDET or in QA automation, with a strong record of building frameworks and driving strategy.
• Proficient in both UI and backend test automation development (Python and/or C# are strongly preferred).
• Experience using Playwright for UI/browser-based test automation.
• Proven experience testing various API implementations (REST, SOAP, GraphQL).
• Skilled in enabling shift-left testing and developer adoption of automation practices.
• Advanced knowledge of MongoDB, SQL and test data management.
• Experience integrating automated tests into CI/CD pipelines (GitHub Actions, CircleCI, ArgoCD, Jenkins, etc).
• Strong problem-solving, communication, and collaboration skills.
• Self-starter with a strategic mindset and ownership mentality.
• Bonus: ISTQB certification, performance or security testing experience.
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Why Join Air-tek

• Shape the automation and testing vision.
• Collaborate with a high-impact engineering team solving global-scale challenges.
• Enjoy autonomy in a fast-paced, low-ego environment.
• Influence a quality-first culture across the SDLC.
• Competitive compensation, career growth, and the chance to make a real impact.