“CatBoost” jobs in Canada

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• 17d

  Machine Learning Engineer

  Toronto, ON +1

  

  Zurich Insurance Company Ltd.

  Zurich Insurance Company Ltd. needs candidates with Python and SQL skills, software engineering basics (Git, APIs, testing, CI/CD), and an understanding of the machine learning lifecycle. Experience with cloud platforms and production-ready solutions is expected, with depth varying by level and specialization.

  Databricks, MLflow, Apache Spark, PySpark, Azure Machine Learning, Azure DevOps

• 24d

  Manager - Customer Analytics

  Markham, ON

  E

  ENERCARE

  5+ YOEEnercare needs candidates with at least 5 years of analytics or data science experience and a quantitative degree. Strong Python and SQL skills, machine learning experience, and cloud analytics knowledge such as Microsoft Fabric are required.

  Python, SQL, Scikit-Learn, XGBoost, LightGBM, CatBoost

• 28d

  Data Scientist

  Mississauga, ON

  

  Upshop

  Candidates need hands-on experience with gradient boosted trees (LightGBM, CatBoost) and time-series retail forecasting, plus strong Python and PySpark skills. They also need Databricks experience (Workflows, Delta Lake, MLflow) and solid software engineering practices such as pytest and Git.

  Databricks, MLflow, PySpark, Delta Lake, Git, pytest

• 29d

  Sr. Applied Researcher — AI/ML

  Toronto, ON

  Full Time

  E

  eBay

  3+ YOEeBay needs candidates with expertise in causal inference, gradient boosting, LLM systems and agentic patterns, and proven production ML experience. A PhD in a quantitative field with 3+ years of industry research, or an MS with 5+ years of applied ML research, is required, plus Python and modern data stack skills.

  Python, polars, pandas, pyarrow, statsmodels, LightGBM

• 29d

  Senior Machine Learning Engineer

  Toronto, ON

  RemoteContract

  F

  Fusemachines: A 10+ year old AI company offering cutting-edge AI products and solutions across industries.

  5+ YOECandidates need 5 to 8+ years of experience as an ML or software engineer, expert Python and a compiled language such as C++, Java, Scala, Go or Rust, and hands-on work with Spark, Kafka or Flink. Strong statistics and A/B testing skills, plus experience shipping gradient boosting and PyTorch or TensorFlow models to production, are also required.

  Apache Spark, Kafka, Flink, Ray, Triton Inference Server, ONNX

• 29d

  Sr. Applied Researcher — AI/ML

  Toronto, ON

  HybridFull Time

  EC

  eBay Canada Technology

  3+ YOECandidates need a PhD or MS in a quantitative field with years of applied ML research. They need expertise in causal inference, gradient boosting, LLM systems and evaluation, and Python data tools, plus experience taking research into production.

  Python, polars, pandas, pyarrow, statsmodels, LangChain

• 29d

  Staff Machine Learning Engineer

  Toronto, ON

  

  OpenTable

  7+ YOECandidates need 7+ years of software engineering experience, with substantial time building and operating ML systems in production. They need strong Python, a typed language such as Java, hands-on cloud model-serving experience, and MLOps and technical leadership skills.

  Spark, Airflow, SageMaker, Snowflake, PyTorch, Docker

7 companies