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Senior Machine Learning Engineer

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Senior Machine Learning Engineer in Canada

  • Remote

Responsibilities

  • Lead the architecture and implementation of large-scale, production-grade distributed systems powering AI features.
  • Own architecture decisions, distributed-systems strategy, service and pipeline reliability, and technical debt across the AI Products estate.
  • Build interfaces and operational harnesses that safely transition machine learning models from research into production.
  • Design scalable infrastructure for generative AI features and integrate production-ready Large Language Model technologies into product features.
  • Operate production services and pipelines, including on-call participation, incident response, and long-term service ownership.
  • Mentor junior engineers, champion engineering excellence, and collaborate with scientists, engineers, product managers, analysts, and teams across Xero.

Requirements

  • At least 5 years of experience building and operating production Python or equivalent-language services at scale.
  • Strong software engineering, system design, and coding proficiency.
  • Experience owning production services or pipelines, including operational responsibility, on-call work, incident response, and technical debt management.
  • Deep understanding of distributed processing principles and strong SQL capabilities.
  • Experience integrating machine learning models or LLM-based features into production systems.
  • Familiarity with MLFlow, TensorFlow, PyTorch, Airflow, or Prefect is valued.
  • Experience applying or fine-tuning LLMs in a product context is a preferred qualification.

Benefits

  • Flexible hybrid work model in Toronto with office days and collaborative boost days.
  • CAD $185,000–$225,000 annual base salary range, plus eligibility for annual bonus and equity programs for permanent employees.
  • World-class health, wellness, and retirement programs.
  • Wellbeing days, generous leave, and dedicated professional development budgets.

Xero

Trusted by 5M around the world on the most loved SMB accounting platform. Xero's Community Guidelines: https://www.xero.com/support/community-guidelines/

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