Senior Data Scientist, Credit Application Fraud Detection

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About the role

  • Senior Data Scientist optimizing fraud detection and prevention models for credit applications at Desjardins. Leading complex projects and providing expert advisory support within a hybrid work environment.

Responsibilities

  • Develop, enhance and deploy to production advanced application fraud detection and prevention models for credit and financing products.
  • Actively contribute to tactical detection activities, including creating, calibrating and optimizing fraud detection rules.
  • Analyze and understand complex, emerging and evolving fraud patterns and quickly recommend adjustments or corrective measures suited to the business context.
  • Research, design and optimize advanced predictive features related to fraudulent behaviour.
  • Recommend and implement strategic and tactical improvements to optimize the effectiveness, robustness and sustainability of detection mechanisms.
  • Provide expert advisory support on initiatives to improve fraud risk management tools, controls and practices.
  • Serve as a point of reference and influential partner for business sectors and credit risk management, fraud and analytics teams.
  • Proactively monitor fraud trends, emerging analytical approaches and market best practices.

Requirements

  • Bachelor's degree in machine learning, computer science, statistics, mathematics or a related field
  • At least six years of relevant experience in quantitative analysis, modelling or data science
  • Extensive experience developing and deploying advanced predictive models
  • Experience managing and resolving complex issues with multiple constraints
  • Experience working with cloud platforms such as CP4D or Microsoft Azure
  • Knowledge of French is required
  • Strong ability to simplify complex concepts and communicate clearly with different audiences, both verbally and in writing
  • Strong proficiency in developing with Apache Spark (PySpark or Scala) and knowledge of Databricks
  • Strong proficiency in deep learning techniques and development frameworks (Keras, TensorFlow, PyTorch, etc.)
  • Knowledge of SQL and R, as well as reporting and data visualization techniques
  • Expertise in Python programming (scikit-learn, PySpark, pandas, NumPy, SciPy, LangChain, etc.) and in analytics product development practices (Git, MLflow, MLOps concepts)

Benefits

  • Competitive salary and annual bonus
  • 4 weeks of flexible vacation starting in the first year
  • Defined benefit pension plan that provides predictable, stable income throughout retirement
  • Group insurance including telemedicine
  • Reimbursement of health and wellness expenses and telework equipment

Job type

Full Time

Experience level

Senior

Salary

Not specified

Degree requirement

Bachelor's Degree

Tech skills

ApacheAzureCloudKerasNumpyPandasPySparkPythonPyTorchScalaScikit-LearnSparkSQLTensorflow

Location requirements

HybridMontrealCanada

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