Vikrant K
AI Engineer Data Scientist
Compétences
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Expérience professionnelle
Analytics Consultant
Mastercard • Temps plein
Oct 2022 - Apr 2023 • 6 mos
Developed production-grade ML models for propensity scoring and fraud detection. Built predictive pipelines using Random Forest and XGBoost with PySpark. Implemented unsupervised learning (Isolation Forest, DBSCAN) for fraud detection, reducing undetected fraud by 12%.
System Engineer (TCS Digital) - Data Science & Analytics
Tata Consultancy Services • Temps plein
Jun 2019 - Oct 2021 • 2 yrs 4 mos
Supported sales forecasting for a pet food brand using ARIMA, SARIMA, and DeepAR models. Improved forecast accuracy by reducing MAPE by 12%. Maintained ETL pipelines using Informatica and performed data analysis using MySQL to drive inventory and supply planning decisions.