This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a ResponsiveAds Software Engineer, Ad Formats based in Canada. This role sits at the core of an advanced advertising technology platform focused on building the next generation of responsive, AI-driven ad formats. You will own the systems that define how ads are structured, rendered, validated, and delivered across multiple digital surfaces including display, video, CTV, DOOH, and interactive environments. The role combines full-stack engineering with AI-native system design, where creative formats are increasingly generated through agentic workflows rather than manual development. You will help shape the rendering and presentation layer that powers scalable, high-performance ad experiences across global programmatic ecosystems. This is a highly technical, innovation-driven position where experimentation, speed, and product ownership are essential. You will contribute directly to the evolution of automated creative generation and next-generation advertising infrastructure. \n

Accountabilities You will be responsible for designing, building, and scaling the systems that generate, validate, and deliver AI-driven responsive ad formats across multiple digital environments. Build and maintain systems that enable AI agents to automatically generate production-ready ad formats Own the creative rendering and presentation layer across display, video, CTV, DOOH, rich media, and interactive surfaces Define how ad formats are structured, validated, optimized, and delivered across publisher and programmatic ecosystems Design and implement agentic workflows that transform creative inputs into scalable, responsive ad outputs Develop guardrails, testing frameworks, and validation systems to ensure performance, reliability, and compliance Contribute to 0→1 product development through rapid prototyping and iterative experimentation Collaborate on technical architecture and roadmap decisions for the ad formats platform Ensure high system reliability through observability, testing, and production best practices Optimize rendering performance and cross-platform compatibility for high-scale ad delivery Work closely with cross-functional teams to evolve AI-driven creative tooling and automation capabilities Requirements You bring strong full-stack engineering experience with a focus on scalable systems, creative technology, and AI-driven automation. 7+ years of experience building high-scale consumer products, ad tech systems, or platform infrastructure Proven experience shipping complex, user-facing systems across multiple surfaces end-to-end Strong expertise in HTML5, CSS3, JavaScript, and full-stack development Hands-on experience with AI agents, LLM-based systems, or automated creative pipelines Experience building or orchestrating production AI workflows using tools such as ChatGPT, Claude, or similar Familiarity with REST APIs and distributed system data flows Experience with ad technologies such as rich media, DCO, Prebid, or HTML5 ad production is a strong plus Strong product mindset with ability to operate in 0→1 environments and define architecture from scratch Excellent problem-solving, communication, and collaboration skills Comfortable working in fast-paced, startup-like environments with high ownership Benefits Competitive compensation aligned with experience and impact Fully remote-friendly environment with flexible working arrangements Strong focus on work-life balance and sustainable high performance Generous paid time off and flexible vacation policy Learning and development support, including courses and training opportunities Merit-based growth and compensation progression Parental leave and life-event support benefits Opportunity to work on cutting-edge AI-driven advertising technology Highly collaborative, innovative, and engineering-driven culture

\n How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! Why Apply Through Jobgether? Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. #LI-CL1