Quality Assurance Engineer Job Toronto area,Ontario Canada,Quality Assurance

Own functional, regression, integration, system, and end-to-end testing for complex application and backend workflows.
Analyze business and technical requirements, identify test scenarios, assess test coverage, and highlight requirement or design gaps early in the delivery lifecycle.
Create and maintain high-quality test documentation including test plans, detailed test scenarios, test cases, traceability matrices, test evidence, execution reports, and release-quality summaries.
Perform database and backend validation using SQL to verify data integrity, transformations, transactional accuracy, and downstream processing results.
Validate APIs and service integrations using tools such as Postman and support automation of repeatable API and backend regression scenarios.
Develop, maintain, and execute automated tests using appropriate UI, API, or backend automation frameworks; contribute to improving regression efficiency and coverage.
Perform defect analysis and triage, provide clear reproduction details and supporting evidence, and collaborate with engineering teams through resolution and retesting.
Validate file-based workflows, scheduled jobs, and inter-system data exchanges, including reconciliation of source and target results.
Estimate testing effort, plan test execution, identify delivery risks, and communicate testing status and quality concerns to project and QA leads.
Mentor less experienced QA engineers on functional testing practices, test design, documentation quality, defect reporting, and effective validation techniques.
Contribute to QA process improvements, reusable test assets, automation candidates, and continuous improvement initiatives across the team.

Required Skills

Strong hands-on experience in functional and manual testing of enterprise applications, with the ability to independently own complex test areas.
Experience in both manual and automation testing, with practical knowledge of designing, maintaining, and executing automated regression tests.
Strong understanding of STLC, test strategy, test planning, test design techniques, regression management, requirement traceability, and defect lifecycle management.
Proficiency in SQL and database testing for backend validation, reconciliation, data integrity checks, and troubleshooting.
Strong experience preparing structured test documentation and producing clear test evidence and execution reporting.
Hands-on API testing experience using Postman or similar tools, including request/response validation and negative testing.
Experience testing backend processes, integrations, and file-based data workflows.
Ability to analyze complex business flows, identify edge cases, and translate requirements into comprehensive test coverage.
Experience working in Agile/Scrum delivery teams and collaborating with developers, business analysts, product owners, and other cross-functional stakeholders.

Good-to-Have / Preferred Skills

Hands-on experience testing batch processing systems, scheduled jobs, batch files, job dependencies, restart/recovery scenarios, and batch reconciliation.
Exposure to Kafka, including validation of producer/consumer message flows, topics, payloads, and event-driven integrations.
Exposure to ETL testing, data pipelines, source-to-target validation, transformation rules, and data reconciliation.
Experience with automation technologies such as Selenium, Cypress, Playwright, Rest Assured, Java, Python, or equivalent frameworks.
Experience with CI/CD pipelines, Git, Jenkins, Git Lab CI, Azure Dev Ops, or similar delivery tooling.
Exposure to cloud-native or microservices-based environments, including Azure and Kubernetes.
Exposure to AI-assisted software testing, GenAI testing tools, AI-based test design or automation, or practical…