Whatnot

Machine Learning Engineer, Fraud

Whatnot

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23 days ago
Los Angeles, CA, USA +3 more
Mid Level / Senior
H1B Sponsor

Base Salary

$245k - $345k/yr

Responsibilities

  • Design, train, and deploy ML and LLM-powered models for fraud detection.
  • Lead the architecture of fraud detection and prevention systems.
  • Build intelligent user graphs to model behavioral patterns.
  • Develop scalable data pipelines for high-volume ML workloads.
  • Conduct deep data analysis to uncover fraud trends.
  • Collaborate with Trust & Safety, Payments, and Infrastructure teams.
  • Implement model monitoring and drift detection systems.
  • Contribute to fraud risk orchestration for decision automation.
  • Define and track key metrics for fraud detection effectiveness.
  • Stay updated on emerging fraud tactics and adapt systems accordingly.

Requirements

  • Bachelor’s degree in Computer Science or related field.
  • 2–6 years of experience in machine learning or software engineering.
  • Strong proficiency in Python and ML libraries like scikit-learn and PyTorch.
  • Solid backend development skills and experience deploying ML models.
  • Experience in data analysis and ETL for data pipeline building.
  • Familiarity with fraud detection techniques.
  • Experience with data orchestration frameworks and feature store design.
  • Ability to translate business risk into measurable ML solutions.

Benefits

  • Generous holiday and time off policy.
  • Health insurance options including medical, dental, and vision.
  • Work from home support with allowances for home office setup.
  • Monthly allowances for wellness and childcare.
  • 401k offering with employer match and international pension plans.
  • 16 weeks of paid parental leave with gradual return to work.

Tech Stack

Apache SparkdbtLightGBMPythonPyTorchscikit-learnSQL

Categories

AI & MLBackendData Science