Senior QA Specialist

Position Overview

Supply Ontario is seeking a highly skilled Senior Quality Assurance (QA) Specialist to support the design, validation, and delivery of modern digital platform capabilities as part of our Digital Experience Platform (DxP). This role will lead quality assurance activities across public-facing and internal digital services, including account management, vendor workflows, search and discovery experiences, content management, secure integrations, reporting capabilities, and automated quality engineering as Supply Ontario modernizes procurement and supply chain services across Ontario's public sector.

• 7+ years of experience in Quality Assurance for enterprise web applications and digital platforms.
• Experience testing modern web applications built using Next.js, React, .NET C#, or equivalent technologies.
• Experience validating applications utilizing headless CMS platforms (Contentful preferred).
• Experience testing integrations with enterprise identity providers including OAuth2, OpenID Connect, Azure AD, and Azure External .
• Hands‑on experience testing REST APIs and/or GraphQL services.
• Hands‑on experience designing, developing, and maintaining automated test frameworks using Playwright, Cypress, Selenium, or equivalent technologies.
• Experience implementing automated API testing using Postman or Rest Assured.
• Experience integrating automated testing into CI/CD pipelines within Microsoft Azure Dev Ops or similar cloud environments.
• Experience developing and executing functional, integration, regression, UAT, accessibility, performance, and automated UI/API testing.
• Experience using contemporary test management and defect management tools.
• Strong understanding of WCAG 2.2 Level AA / AODA accessibility requirements.
• Experience working in Agile delivery environments.

• Develop and execute comprehensive QA strategies and test plans across DxP initiatives.
• Review business requirements, user stories, and technical designs to ensure testability.
• Define test plans, test cases, automation strategies, and quality gates for releases.
• Support release readiness and Go/No-Go recommendations.
• Design, develop, and maintain scalable automated test frameworks for web applications and APIs.
• Develop automated functional, regression, smoke, integration, and end‑to‑end test suites.
• Integrate automated testing into CI/CD pipelines to enable continuous quality validation.
• Execute automated test suites across Development, QA, UAT, and Production environments.
• Analyze automation results, identify failures, and collaborate with development teams to resolve issues.
• Continuously improve automation coverage and reduce manual testing effort through reusable test assets and frameworks.
• Validate end‑to‑end user journeys across public and authenticated experiences.
• Test account management and vendor registration workflows.
• Validate procurement search and discovery functionality.
• Test CMS‑driven content and navigation components.
• Validate reporting capabilities and data accuracy.
• Test enterprise APIs (REST and GraphQL) and secure integrations with Azure AD, Azure External , and Contentful CMS.
• Validate role‑based access controls (RBAC) and authentication/authorization workflows (OAuth2, OpenID Connect).
• Validate dynamic Contentful‑driven content rendering, multilingual, and responsive user experiences.
• Validate content migration activities.
• Perform accessibility testing aligned with WCAG and AODA, including keyboard navigation, screen reader compatibility, color contrast and semantic structure.
• Support performance load, stress, and scalability testing; identify bottlenecks and collaborate on fixes.
• Support testing activities across Development, QA, UAT, and Production; participate in CI/CD deployment validation.
• Identify, document, prioritize, and track defects through resolution.
• Develop and maintain automated regression suites and test documentation.
• Document test results, quality metrics, and automation coverage; contribute to operational documentation.

• Strong understanding of software QA methodologies, quality engineering best practices.
• Experience testing modern front‑end technologies (React, Next.js) and…