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Sirisha Maddikunta - Generative AI Engineer in O Fallon, MO

Sirisha Maddikunta

Mid-level Generative AI Engineer specializing in enterprise LLM and healthcare AI solutions

MastercardUniversity of Texas at ArlingtonO Fallon, MO6 Years ExperienceMid Level

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About

Built and owned an end-to-end LLM-powered fraud investigation assistant that automated case summaries and risk analysis, cutting analyst investigation/documentation time by 40%. Stands out for translating RAG concepts into a production-grade internal platform with strong evaluation, monitoring, and reusable Python service architecture that improved both analyst trust and engineering velocity.

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Key Strengths

  • Owned end-to-end production LLM system from prototype to deployment and monitoring
  • Delivered 40% reduction in fraud analyst investigation and documentation time
  • Strong RAG system design for dynamic, real-time data use cases
  • Improved retrieval quality through metadata filtering and re-ranking
  • Balances latency, cost, and quality tradeoffs using production feedback
  • Built scalable internal APIs integrated into analyst workflows
  • Established shared Python service layer to reduce duplicated ML/LLM logic
  • Improved team velocity and onboarding through standardized APIs and reusable components
  • Grounded evaluation approach using labeled test cases, retrieval checks, and analyst feedback
  • Focus on reliability via testing, schemas, containerization, and CI

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Experience

Generative AI EngineerMastercard · Jul 2025 – Present
Machine Learning EngineerCVS Health · Aug 2024 – May 2025
Data ScientistAccenture · Sep 2022 – Jul 2023
Machine Learning EngineerHCA Healthcare · Jun 2019 – Aug 2022

Education

University of Texas at Arlingtonmaster, Computer Science

Languages

English

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Sirisha MaddikuntaMid-level Generative AI Engineer specializing in enterprise LLM and healthcare AI solutions