As of November 6, 2026, Jobsy lists 2 principal software engineer jobs in Markham, ON. The most active employers are Questrade Financial Group, Microsoft and PointClickCare. Skills often requested: leadership, computer science, communication skills and collaboration.
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5+ YOECandidates need at least five years of software development experience, including two years in AI infrastructure platform work. They need strong Golang or Rust coding skills, Kubernetes or Ray experience, and a master's or PhD or equivalent practical experience.
5+ YOECandidates need 5+ years of AI experience, including 2 years building production agentic AI systems and hands-on cloud platform work. A Master's degree in computer science or AI is required, and strong Python, deep learning and LLM skills are expected.