Software Engineer II, - Ads

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer II, Ads based in Canada. The Software Engineer II will help build and scale a rapidly growing advertising platform serving major retail and enterprise partners. You’ll develop publisher-facing products across APIs, ad serving inputs, reporting, and partner configuration tools. Your work will directly influence how retailers manage advertising performance and deliver reliable experiences to their customers. You’ll tackle challenging distributed-systems and data-integrity problems across shared serving, measurement, and quality infrastructure. The role combines end-to-end ownership with close collaboration across Product, Enterprise Solutions, and specialized engineering teams. You’ll operate what you build in production, with a strong focus on observability, reliability, security, and partner SLAs. This is an opportunity to take meaningful ownership early in your career while contributing to a high-visibility growth area in a fast-moving environment.