Senior Full Stack Quality Engineer (QE) to join an Agile delivery team supporting the development and enhancement of customer-facing digital applications.

Our client is seeking an experienced

Full Stack Quality Engineer (QE)

to join an Agile delivery team supporting the development and enhancement of customer-facing digital applications. The successful candidate will be responsible for end-to-end quality engineering across the technology stack, including

mobile UI, APIs, data flows, and database validation . This role requires strong hands-on automation experience and the ability to leverage

AI-enabled development and testing tools

to accelerate test creation, execution, troubleshooting, and overall quality assurance. Location:

Downtown Toronto Contract Duration:

12 months Start Date:

October 2026 Key Responsibilities Design, develop, maintain, and execute automated tests for

mobile applications, APIs, and backend services . Perform end-to-end testing across

mobile UI, APIs, data flows, and databases . Develop and execute

API automation tests

to validate functionality, integrations, and data exchanges. Write and execute database queries to perform

data validation and reconciliation . Validate data flows across frontend, API, backend, and database layers. Leverage

AI tools extensively throughout the testing lifecycle , including test-case creation, automation development, execution, analysis, and troubleshooting. Identify, document, investigate, and track defects through resolution. Collaborate closely with developers, product owners, designers, and other QE resources within

Agile squads . Participate in sprint planning, refinement, daily stand-ups, reviews, and retrospectives. Contribute to continuous improvement of automation frameworks, testing practices, and overall product quality. Must Haves Strong hands-on experience as a

Quality Engineer, QA Automation Engineer, or Software Development Engineer in Test (SDET) . Demonstrated experience testing across the

full application stack ,



including mobile UI, APIs, data flows, and databases. Strong experience developing and executing

API automation tests . Proficiency writing

SQL/database queries

for testing and data validation. Experience validating complex data flows and integrations between application layers. Advanced comfort using

AI-enabled tools for software testing, test creation, automation, execution, and troubleshooting . Experience working within

Agile/Scrum delivery teams

and collaborating directly with client development teams. Strong analytical, troubleshooting, and problem-solving skills. Ability to work independently and take ownership of assigned testing activities. Our client is seeking an experienced

Full Stack Quality Engineer (QE)

to join an Agile delivery team supporting the development and enhancement of customer-facing digital applications. The successful candidate will be responsible for end-to-end quality engineering across the technology stack, including

mobile UI, APIs, data flows, and database validation . This role requires strong hands-on automation experience and the ability to leverage

AI-enabled development and testing tools

to accelerate test creation, execution, troubleshooting, and overall quality assurance. Work Mode :

100% on site Location:

Downtown Toronto Contract Duration:

12 months Start Date:

October 2026 Key Responsibilities Design, develop, maintain, and execute automated tests for

mobile applications, APIs, and backend services . Perform end-to-end testing across

mobile UI, APIs, data flows, and databases . Build and maintain mobile automation frameworks using tools such as

Appium, Maestro,



and browser-based automation technologies . Develop and execute

API automation tests

to validate functionality, integrations, and data exchanges. Write and execute database queries to perform

data validation and reconciliation . Validate data flows across frontend, API, backend, and database layers. Leverage

AI tools extensively throughout the testing lifecycle , including test-case creation, automation development, execution, analysis, and troubleshooting. Identify, document, investigate, and track defects through resolution. Collaborate closely with developers, product owners, designers, and other QE resources within

Agile squads . Participate in sprint planning, refinement, daily stand-ups, reviews, and retrospectives. Contribute to continuous improvement of automation frameworks, testing practices, and overall product quality. Must Haves Strong hands-on experience as a

Quality Engineer, QA Automation Engineer, or Software Development Engineer in Test (SDET) . Demonstrated experience testing across the

full application stack , including mobile UI, APIs, data flows, and databases. Solid

mobile automation

experience using

Appium, Maestro, browser automation tools, or similar technologies . Strong experience developing and executing

API automation tests . Proficiency writing

SQL/database queries

for testing and data validation. Experience validating complex data flows and integrations between application layers. Advanced comfort using

AI-enabled tools for software testing, test creation, automation, execution, and troubleshooting . Experience working within

Agile/Scrum delivery teams

and collaborating directly with client development teams. Strong analytical, troubleshooting, and problem-solving skills. Ability to work independently and take ownership of assigned testing activities. Disclaimer: AI may be used in evaluating candidates. This posting is for an existing vacancy. #J-18808-Ljbffr

📌 Senior Full Stack Quality Engineer (QE) to join an Agile delivery team supporting the development an (Winnipeg)
🏢 S.I. Systems
📍 Winnipeg