Data Scientist – Credit Risk and Fraud
United StatesFull-Time
Salary not disclosed
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Job Details
- Languages
- English
- Required Skills
- PythonSQLMLFlowNumpyPandasscikit-learnLangChainPySpark
Requirements
- Strong hands-on experience in Data Science and applied Machine Learning
- Proficiency in Python and common data science libraries (Pandas, NumPy, scikit-learn)
- Experience with gradient boosting frameworks such as XGBoost or LightGBM
- Strong SQL skills and experience working with large datasets
- Experience with PySpark or distributed data processing
- Experience with MLflow for experiment tracking and model management
- Understanding of production model lifecycle and monitoring practices
- Ability to work in regulated or risk-sensitive environments
- Fluent English for professional collaboration
Responsibilities
- Design and maintain credit risk and fraud detection models
- Perform feature engineering on large structured financial datasets
- Train, validate, and optimise machine learning models for production use
- Monitor model performance and implement continuous improvements
- Collaborate with ML engineers on deployment, tracking, and lifecycle management
- Integrate model outputs into LangChain and LangGraph orchestration pipelines
- Ensure model explainability, robustness, and regulatory compliance
- Support documentation and governance requirements in a regulated environment
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