Sr Software Engineer II - Ads Manager (Front End)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer II - Ads Manager (Front End) based in Canada. As a Senior Frontend Software Engineer, you will lead the technical evolution of a sophisticated advertising management platform used by brands, agencies, and retailers to create, manage, and optimize digital campaigns. You will shape the frontend architecture, drive major engineering initiatives, and build scalable, high-performance interfaces that simplify complex advertising workflows. Working with React, Node.js, and modern web technologies, you will develop campaign management tools, reporting dashboards, and reusable design system components. You will collaborate closely with Product, Design, Backend, and Data Science teams to deliver impactful user experiences and strengthen platform reliability. Beyond hands-on development, you will influence technical strategy, improve engineering productivity, and mentor fellow engineers. This role offers the opportunity to lead large-scale frontend initiatives while exploring innovative AI-assisted development practices.