Data Engineer - Toronto - TechDoQuest

    TechDoQuest
    TechDoQuest Toronto

    1 week ago

    Description

    We are accelerating two high-priority fraud detection and prevention initiatives. Need someone with in-depth data engineering and ML engineering experience and data science skillsets are nice to have.

    What You'll Do

    • Prepare and clean datasets from internal and partner sources for Machine Learning models
    • Run and support unsupervised models (e.g., Isolation Forest, K-Means, DBSCAN) on baseline and partner data for anomaly detection and behavioural clustering
    • Compare results to current integrity scoring approaches
    • Build clear visualizations and concise summaries of baseline behaviours, clusters, and fraud patterns for executive and partner consumption
    • Consolidate findings across univariate/bivariate/multivariate and ML analyses into structured outputs (slides, notes, notebooks)
    • Document assumptions, transformations, and model configurations to ensure reproducibility

    Must-Have Skills & Experience

    • Strong Python (Pyspark, pandas, scikit-learn) and SQL skills
    • Hands-on experience with Data Engineering on AWS
    • Hands-on experience with clustering and anomaly detection on real-world data
    • Comfortable working in a fast-paced, time-boxed project environment

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