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Affirm

Senior Machine Learning Engineer (Fraud)

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about 5 hours ago
Remote, CanadaSenior
H1B Sponsor

Base Salary

$153k - $213k/yr

Responsibilities

  • Lead development of new fraud prediction models using various data approaches.
  • Build and scale feature pipelines and training datasets from proprietary and third-party signals.
  • Prototype new modeling ideas and features, running offline experiments.
  • Integrate models into batch and/or real-time decision systems.
  • Monitor model and data health, defining retraining and backtesting workflows.
  • Identify and implement foundational improvements in model building.
  • Collaborate with Engineering, Fraud Analytics, Product, and ML Platform teams.

Requirements

  • 6+ years of experience in researching, training, tuning, and launching ML models at scale.
  • Proven track record of delivering high-impact machine learning models in low latency settings.
  • Strong Python skills with experience in writing production-quality code.
  • Experience with tabular classification models, preferably using gradient-boosted decision trees.
  • Familiarity with deep learning frameworks, preferably PyTorch.
  • Experience with distributed data processing or parallel compute frameworks, such as Spark.
  • Proficient in ML lifecycle tooling for training orchestration and model monitoring.

Benefits

  • 100% subsidized medical coverage, dental, and vision for you and your dependents.
  • Generous stipends for technology, food, lifestyle needs, and family forming expenses.
  • Competitive vacation and holiday schedules.
  • Employee stock purchase plan allowing shares of Affirm at a discount.

Tech Stack

Apache AirflowApache SparkLightGBMMLflowPythonPyTorchXGBoost

Categories

AI & MLData Science