
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Ingénieur·e logiciel principal (Staff Software Engineer) – Commerce HTS based in Canada.
This role sits at the intersection of large-scale platform engineering, product innovation, and AI-accelerated software delivery. You will contribute to a high-impact commerce technology platform that powers partner-facing travel and fintech experiences used by millions of end users globally. The environment is fast-moving, low-process, and deeply collaborative, with a strong emphasis on ownership and technical autonomy. You will work alongside senior engineers, product managers, and business stakeholders to shape scalable systems and end-to-end features. A key part of the mission is building intelligent, multi-tenant commerce capabilities that enable partners to launch and grow rapidly. This is also a highly forward-looking engineering context where AI-assisted development, automation, and agent-based workflows are actively embraced to accelerate delivery and quality.
In this role, you will take ownership of designing and delivering scalable, high-impact systems that support a multi-tenant commerce platform and its partner ecosystem. You will work across the stack (primarily backend) to ensure seamless end-to-end delivery of features and platform capabilities.
The ideal candidate brings strong senior/staff-level engineering experience with a focus on scalable systems, product thinking, and modern AI-enabled development practices.

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