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Apoorva Nanabolu

Senior Data Scientist / Generative AI Engineer specializing in fraud, risk, and MLOps

PayPalUniversity of New Haven5 Years ExperienceSenior LevelWorks On-Site

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About

Built and deployed a production LLM/RAG fraud investigation system to replace manual investigator workflows, combining transaction data, historical cases, and policy documents with agent-style steps and LoRA fine-tuning. Demonstrates strong reliability engineering (grounding, citations, abstention paths), performance optimization (retrieval/indexing/caching), and end-to-end MLOps orchestration using Azure ML Pipelines/MLflow plus Kubernetes/Argo with canary and rollback deployments.

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Key Strengths

  • Built and deployed a production LLM-based fraud investigation system replacing manual review
  • Designed RAG pipeline over transaction data, historical cases, and policy documents
  • Implemented hallucination controls via strict evidence grounding, relevance thresholds, and abstention paths
  • Added traceability with structured outputs and citations to retrieved snippets
  • Optimized retrieval relevance and response time (embedding/index improvements, caching)
  • Strong MLOps/orchestration experience across Azure ML Pipelines, MLflow, Kubernetes, and Argo (canary + rollback)
  • Modular agent/workflow design with measurable metrics (grounding, latency, cost, stability) and step-level testing
  • Effective cross-functional delivery with non-technical ops/compliance stakeholders using scenario-based evaluation

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Experience

Generative AI Engineer (Senior Data Scientist)PayPal · Aug 2024 – Present
Machine Learning Engineer (Data Scientist)United Healthcare · Jul 2023 – Apr 2024
Data ScientistTATA AIG Insurance · Jan 2021 – Jul 2022
Associate Data Engineer (Analytics)Flipkart · Jan 2020 – Dec 2021

Education

University of New Havenmaster, Computer Science
Bhavan's Vivekananda Collegebachelor, BSc MSCs

Languages

English

Certifications

AWS Certified Solutions Architect – Associate

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Typically responds within 24 hours

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Apoorva NanaboluSenior Data Scientist / Generative AI Engineer specializing in fraud, risk, and MLOps