Lead AI/ML Data Scientist- Vice president

Citi — Chennai Tamil Nadu India

: • Design, build, and deploy AI and machine learning models — including Agentic AI and Generative AI solutions — to solve complex reconciliation and data engineering challenges at enterprise scale. • Lead the end-to-end ML model development lifecycle, from requirements gathering and data preprocessing through to ensemble modeling, validation, and production integration. • Analyze large volumes of structured and unstructured financial data to uncover trends, patterns, and opportunities for optimization across banking platforms. • Define and deliver ML model roadmaps in collaboration with technical and business teams, ensuring alignment with project timelines, budgets, and Citi's architecture standards. • Translate complex data findings into clear visualizations and strategic recommendations that inform decisions made by senior business and technology leaders. • Partner with engineering, operations, and cross-functional teams to ensure seamless model integration, long-term scalability, and reliable performance in production environments. • Identify and communicate technology risks and their business implications, developing mitigation strategies and maintaining transparency with stakeholders at all levels. • Maintain comprehensive model documentation and support knowledge transfer to ensure continuity and adoption across teams. & Skills: Technical Expertise: • 10+ years hands-on experience in AI/ML development and big data engineering within Financial Services, Insurance, or Telecom environments • Expert-level proficiency in Python (scikit-learn, TensorFlow, PyTorch, Pandas, NumPy), R (caret, tidyverse, mlr3), and SQL (PostgreSQL, Oracle, MySQL) • Deep technical knowledge implementing supervised and unsupervised ML algorithms: linear/logistic regression, neural networks (CNN, RNN, LSTM, Transformers), k-means clustering, DBSCAN, decision trees (CART, C4.5), and ensemble methods (Random Forest, XGBoost, LightGBM, CatBoost) • Proven experience building and deploying Ag

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