senior systems testing/qa specialist.

We are seeking a highly skilled Senior Systems Testing/QA Specialist to lead quality assurance, test strategy execution, and automated testing across complex, enterprise-scale platforms. In this role, you will design and build UI and API test automation frameworks from the ground up, perform end-to-end integration and data integrity validation, and execute structured functional testing. Working within an Agile Scrum environment, you will collaborate with cross-functional technical teams to validate backend services, manage defects, and ensure overall software quality and system interoperability.

Location: Toronto, ON (Hybrid – as per manager discretion)

Duration: 12-month contract

Public Sector Experience: Preferred.

Advantages
Advanced Automation Focus: Build custom UI and API automation frameworks from the ground up using modern frameworks.

High-Impact Enterprise Scope: Lead end-to-end testing across complex distributed systems, REST/SOAP APIs, and cloud databases.

Continuous Integration Exposure: Integrate automated test suites directly into CI/CD delivery pipelines.

Flexible Hybrid Model: Enjoy schedule flexibility with a hybrid work setup in Toronto.

Responsibilities
Automated Framework Development: Architect, build, and maintain scalable UI and API test automation frameworks from scratch using modern frameworks (Selenium or Playwright) and languages (Java, Python, JavaScript, or TypeScript).

API & Integration Testing: Conduct end-to-end API testing, contract validation, payload verification, and authentication testing for RESTful and SOAP web services using tools like Postman, REST Assured, or ReadyAPI.

Database & Data Validation: Perform database testing and data integrity verification using complex SQL queries across relational database management systems.

Functional & End-to-End Testing: Analyze business and technical requirements to write and execute test plans, test scenarios, and user stories for functional and system integration testing.

Defect Life Cycle Management: Identify, log, track, and manage software defects through resolution using Jira or TestRail, working closely with developers to reproduce and resolve issues.

Security & Authentication Verification: Execute test cases covering system access, certificates, OAuth, JWT tokens, and SAML-based authentication protocols.

DevOps & Agile Integration: Integrate automated test suites into CI/CD pipelines (Git, GitHub Actions, GitLab CI) and participate actively in Agile Scrum ceremonies.

Quality Advisory & Go-Live Support: Provide test effort estimates, assess quality risks, assist with release readiness, and mentor junior QA team members on test automation practices.

Qualifications
Enterprise QA Seniority: Minimum 7 years of enterprise QA testing experience validating large-scale backend applications, distributed systems, APIs, integrations, and complex data workflows (Strictly Required).

UI Automation Framework Engineering: Advanced hands-on experience designing and building UI automation frameworks from scratch using Selenium or Playwright paired with Java, Python, JavaScript, or TypeScript (Strictly Required).

API & Web Services Automation: Strong experience with REST/SOAP API testing and contract validation using Postman, REST Assured, or ReadyAPI (Strictly Required).

Database & SQL Validation: Extensive experience conducting data integrity and database validation using SQL queries (Strictly Required).

Authentication Protocols: Proven experience testing security and access permissions using OAuth, JWT tokens, SAML, and digital certificates (Strictly Required).

Agile & DevOps Workflow: Hands-on experience operating within Agile Scrum delivery models and integrating test tools with Git and CI/CD pipelines (Strictly Required).

Nice-to-Have Assets:
Hands-on experience with healthcare interoperability standards, including testing HL7 FHIR resources and HL7 v2/v3 data structures.

Summary
If you're interested in the "Senior Systems Testing/QA Specialist" role based in Toronto, we encourage you to apply online at
Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to View email address on randstad.com to ensure their ability to fully participate in the interview process.

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