Data Science-FS

About the role

Senior Data Scientist Role Summary We are seeking a highly skilled Senior Data Scientist with expertise in Machine Learning, Artificial Intelligence, Large Language Models (LLMs), foundation models, and fine-tuning techniques. In this role, you will architect, build, and deploy advanced ML & AI solutions that power Fiserv's next-generation products across payments, fraud detection, risk decisioning, and financial data enrichment.

What you'll do

• Design, build, and optimize Generative AI, LLM, and multimodal foundation models for enterprise fintech applications
• Fine-tune or adapt open-source and proprietary models Build high-performance models for NLP, document intelligence, anomaly detection, risk scoring
• Lead experimentation to evaluate model accuracy, scalability, and fairness
• Partner with engineering teams to deploy models on cloud-based ML pipelines (Azure
• Implement model monitoring, drift detection, and continuous retraining strategies

What you need

• 5–7 years in data science & ai
• AWS
• MLOps
• Machine learning
• LLMs
• Python
• PyTorch
• PhD or M.Tech or MCA or M.Sc

Good to have

• Data privacy
• TensorFlow
• Docker
• Kubernetes
• NLP
• Databricks