Senior Software Engineer, American Express
Worked with large transaction datasets to support fraud detection improvements in AI-driven systems. Evaluated and refined annotated training data, enhancing anomaly detection capabilities. Collaborated with AI and data science teams to enforce consistent labeling processes for high-stakes financial data. • Labeled and validated transaction records for fraud detection model training. • Conducted quality assurance reviews on labeled datasets for model accuracy. • Assisted with data preprocessing and structuring for annotation workflows. • Developed internal standards for scalable data labeling in financial systems.