This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer II based in Canada. This is a senior engineering opportunity focused on building the integrations and data infrastructure that connect modern finance platforms with accounting, ERP, and AI ecosystems.You will design, build, and operate reliable APIs, data pipelines, and exchange systems that are critical to customer workflows.The role combines hands-on software development with architectural ownership, technical influence, and close collaboration across product and business teams.You will help establish scalable data contracts, observability, and engineering practices as the integrations landscape grows.Working in an AI-centric environment, you will also explore AI-enabled agents, MCP servers, and modern developer tooling.The position offers substantial autonomy, meaningful technical challenges, and the opportunity to shape long-term engineering direction.You will join a distributed team where thoughtful architecture, rapid experimentation, and reliable production systems are equally valued.