Senior Applied Scientist, Credit Risk

Ramp · Fintech · New York, NY · Data

Senior Applied Scientist role at Ramp focusing on credit risk. The role involves designing, building, and optimizing machine learning models for credit decisioning and portfolio management. It requires full lifecycle ownership from data exploration to production deployment and monitoring, with a strong emphasis on applying ML, statistics, causal inference, and optimization to solve business problems. Collaboration with cross-functional teams and driving data-driven insights are key.

What you'd actually do

  1. Design, build, and optimize machine learning models that support credit risk decisioning and portfolio management at Ramp
  2. Own the full applied science development lifecycle, from data exploration and feature development to model prototyping, deployment, monitoring, and iteration
  3. Investigate and evaluate new data sources, including structured and unstructured data, and integrate them into credit models where appropriate
  4. Develop backtesting, validation, and monitoring frameworks to evaluate model performance and business impact
  5. Apply methods from machine learning, statistics, causal inference, optimization, and economics to solve core business problems

Skills

Required

  • Python
  • SQL
  • NumPy
  • pandas
  • scikit-learn
  • PyTorch
  • machine learning
  • statistics
  • causal inference
  • optimization
  • economics
  • communication

Nice to have

  • PhD
  • data modeling
  • version control
  • documentation
  • testing
  • Airflow
  • Dagster
  • Prefect
  • AI/LLMs for development or internal workflows

What the JD emphasized

  • Track record of shipping high-quality machine learning products in production and at scale

Other signals

  • credit risk models
  • machine learning
  • production deployment
  • large datasets