Pragati Chourasia
Kolkata
Summary
Generative AI Engineer with 4+ years of experience bridging enterprise automation and advanced AI. Specialized in architecting production RAG pipelines, Azure OpenAI (GPT-4o) integrations, LangChain workflows, and FastAPI microservices. Proven track record in building audit-ready vector search solutions for life sciences, optimizing clinical document research while ensuring strict regulatory compliance. Passionate about leveraging AI in healthcare, pharmaceuticals and enterprise applications.
Overview
1
1
Certification
6
6
years of professional experience
Work History
GenAI Developer
TCS
Kolkata
01.2025 - Current
- Built RAG-based clinical site copilot with Azure OpenAI GPT-4o and LangChain, supporting 500+ Clinical Research Associates (CRAs) with real-time access to protocol amendments and FDA/ICH-GCP safety guidance.
- Created hybrid vector search pipeline with Azure AI Search and FAISS to index unstructured trial PDFs, adding granular citation mapping for audit-ready regulatory compliance.
- Set up LLM evaluation framework with RAGAS to measure context precision, faithfulness, and hallucination across 100+ clinical trial protocols before production release.
- Built secure FastAPI endpoints tied to Azure Key Vault to deliver real-time RAG responses to CRA interfaces and reduce document research time from 20 minutes to ~2 minutes
RPA Support Engineer Lead
TCS
05.2023 - 12.2024
- Managed L1/L2 support for 80+ Automation Anywhere bots, executing root-cause analysis (RCA) on production failures to maintain strict SLAs and maximize system stability.
- Administered Control Room releases and Credential Vault security, overseeing deployment workflows, schedule configurations, and bot enhancements across environments.
- Worked with development teams on bot enhancements and production deployment workflows.
Development and Support Associate
TCS
02.2021 - 04.2023
- Improved bot uptime from 88% to 96% through regular performance tunning and monitoring.
- Built and supported AA V11/A360 bots for finance and ops, automating reporting, data validation, and Jira incident workflows.
Education
Bachelor of Technology - Computer Science
University College of Engineering And Technology
Hazaribagh05-2021
Skills
Azure OpenAI , RAG workflows , LangChain integration , Vector search , FastAPI development , Bot development , Bot support , Prompt engineering , Machine learning
Certification
- Automation Anywhere Certified Advanced RPA Professional
- Elevate Wings1_RPA Automation Anywhere Foundation Learning Curriculums
Timeline
GenAI Developer
TCS
01.2025 - Current
RPA Support Engineer Lead
TCS
05.2023 - 12.2024
Development and Support Associate
TCS
02.2021 - 04.2023
Bachelor of Technology - Computer Science
University College of Engineering And Technology