Senior Data Scientist (Python, PySpark)

Smartedge’s Client is looking for an individual to help with their Senior Data Scientist (Python, PySpark) @ Remote Working (Ireland / UK) Key area: • We are looking for an experienced Senior Data Scientist with strong expertise in Python, PySpark, and advanced analytics, along with a solid understanding of Financial Crime, Fraud Monitoring, and AML concepts. • The ideal candidate will work on large-scale data to build, enhance, and optimize analytical and machine learning models used for fraud detection and financial crime prevention. • Design, develop, and deploy data science and machine learning models for fraud detection, transaction monitoring, and financial crime use cases • Analyze large, complex datasets using Python and PySpark in distributed data environments • Build end-to-end analytics pipelines including data ingestion, feature engineering, model training, and validation • Apply statistical analysis, ML techniques, and pattern recognition to identify suspicious behaviors and emerging fraud typologies • Collaborate with business, compliance, and technology teams to translate financial crime requirements into analytical solutions • Monitor model performance, perform tuning, and ensure model stability and regulatory alignment • Document models, methodologies, and assumptions for internal governance and audit requirements • Stay updated on financial crime trends, fraud patterns, and regulatory expectations • 5+ years of experience in Data Science, Analytics, or a related role • Strong proficiency in Python (NumPy, Pandas, Scikit-learn, etc.) • Hands-on experience with PySpark / Spark for large-scale data processing • Solid understanding of Financial Crime domains including: • Fraud Monitoring • Transaction Monitoring • AML / CTF concepts • Customer risk and suspicious activity patterns • Experience building and validating machine learning models (supervised & unsupervised) • Strong knowledge of data preprocessing, feature engineering, and model evaluation • Ability to communicate complex analytical findings to non-technical stakeholders If this sounds like a role you would be interested in or if you know someone in this field. Connect with me or email me at vineetha.s@smartedgesolutions.co.uk Alternatively, you can call me on Tel: +44(0)203 500 2108.