This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior AI Platform Engineer based in Canada. This is a senior individual contributor opportunity focused on building the platform foundations behind production-grade AI solutions.You’ll design and own critical capabilities across AI orchestration, retrieval, evaluation, observability, and inference.Your work will support conversational AI agents and large-scale document processing workflows used in complex legal environments.You’ll tackle challenges involving millions of documents, distributed systems, performance, reliability, security, and cost optimization.The role combines hands-on engineering with technical leadership, giving you significant ownership over architectural decisions and platform direction.You’ll collaborate with product, domain, and engineering teams across Canada, the United States, and India while mentoring other engineers.This is an opportunity to shape scalable AI infrastructure where quality, governance, and defensible outcomes are essential.