Senior Full Stack Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack Engineer based in Canada. This role offers the opportunity to build and evolve high-impact software within a large-scale digital advertising platform. You will work across modern full-stack technologies while solving complex engineering challenges involving large datasets, scalable systems, and high-performance web applications. Depending on your experience and interests, you may contribute to areas including billing, AI-powered experiences, analytics, workflow automation, creative technology, developer experience, audience infrastructure, or developer ecosystems. You will collaborate closely with Product, Design, Data Science, and engineering teams to deliver meaningful customer outcomes. The position combines hands-on individual contribution with technical leadership, mentoring, architectural guidance, and a strong focus on engineering excellence. It is well suited to a senior engineer who enjoys simplifying complex systems, improving developer experiences, and building scalable products in a collaborative environment.