Senior Fullstack Engineer, Customer Context

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Fullstack Engineer, Customer Context based in Canada. As a Senior Fullstack Engineer, you’ll help build the foundational services, APIs, and data pipelines powering an AI-driven e-commerce messaging platform. You’ll combine strong backend engineering with expertise in data-intensive systems, performance, scalability, and reliability. The role offers significant technical ownership, with responsibility for designing and evolving distributed systems across both new and established product areas. You’ll work closely with software engineers, data engineers, product teams, and go-to-market partners to turn customer context and data into better targeting and AI-powered experiences. AI-first development is central to the engineering culture, with an expectation that you actively use agentic coding tools and explore emerging techniques. You’ll have the autonomy to make technical decisions, solve ambiguous problems, and improve how engineering teams build and operate software. This is a fully remote opportunity suited to a pragmatic, curious senior engineer who enjoys high-impact work in a fast-moving environment.