Defines and develops marketing campaign strategies that strengthen the BMO brand, maximize revenue and optimize the customer experience. Works collaboratively with business/groups on the strategic development, execution and measurement of traditional and non-traditional customer-focussed advertising, production, merchandising, and communications campaigns. Develop and execute quality control checks, test plans, test cases, and regression testing for retail and commercial banking applications to ensure timely and accurate deliverables and outputs. Audit and validate customer campaigns such as onboarding, credit and lending products, payment processing, and customer communication workflows. Perform data validation and end-to-end testing within and across multiple integrated banking systems. Log, track, and verify defects through investigation and root cause analysis working with respective production and development teams to ensure timely resolution. Support UAT, production releases, and regulatory compliance testing, contributing to successful project delivery with minimal post-production defects.