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Saisureshreddy Challa - Data Scientist in California, USA

Saisureshreddy Challa

Mid-level Data Scientist specializing in AI/ML, LLMs, and domain analytics

BlackRockNortheastern UniversityCalifornia, USA6 Years ExperienceMid LevelWorks On-Site

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About

BlackRock AI/ML engineer who built and owned a production LLM document intelligence system for regulatory and investment analysis end-to-end. They combined RAG, multi-agent validation, strong evaluation/monitoring, and reusable Python services to process 50K+ documents, cut review time 40-50%, and improve decision accuracy by about 25%.

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Key Strengths

  • Owned end-to-end production AI systems from experimentation through deployment and monitoring
  • Built LLM/RAG document intelligence platform at BlackRock for regulatory and investment documents
  • Scaled ingestion and retrieval pipeline across 50K+ documents
  • Strong focus on hallucination reduction through retrieval tuning, grounded prompting, validation, and fallback logic
  • Production-minded evaluation and monitoring using labeled data, automated checks, and user feedback loops
  • Balanced latency, cost, quality, and safety in multi-agent LLM systems
  • Improved document review time by 40-50%
  • Improved decision accuracy by roughly 25%
  • Created reusable Python services with clear APIs, testing, CI/CD, and AWS deployment
  • Improved team velocity by reducing integration time from weeks to days
  • Used staged rollouts, canary deployments, and feature flags to prevent regressions and protect dependent teams

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Experience

Data ScientistBlackRock · Mar 2024 – Present
Data ScientistShanvr Life Sciences · Mar 2020 – Mar 2022
Data ScientistKalven Enterprises · Mar 2018 – Feb 2020

Education

Northeastern Universitymaster, Data Analytics, Machine Learning (2024)

Languages

English

Certifications

AWS Certified Cloud PractitionerData Science Boot Camp with R

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Saisureshreddy ChallaMid-level Data Scientist specializing in AI/ML, LLMs, and domain analytics