This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Back End Developer based in Canada. Join an innovative engineering team building the backend foundation for next-generation AI-powered knowledge systems. In this role, you will design and develop scalable services, intelligent data pipelines, and high-performance APIs that enable advanced search, retrieval, and analytics capabilities for engineering teams. Working closely with Product, AI, Design, and Engineering, you will solve complex technical challenges while shaping the architecture of a rapidly evolving SaaS platform. This is an excellent opportunity for an experienced backend engineer who enjoys distributed systems, data architecture, and modern AI technologies in a collaborative, fast-paced, and remote-friendly environment.