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Vasantharaj Subramanian

Principal Software Architect specializing in AI/ML and cloud-native full-stack platforms

Happiest MindsAnna UniversityAustin, TX17 Years ExperiencePrincipal LevelWorks On-Site

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About

AI/LLM engineer who built a production content-generation system for nursing education, combining multimodal RAG over proprietary PDFs (including images) with structured Cosmos DB data and external sources. Strong focus on production reliability—prompt-chaining with LangChain, validation/guardrails, and Azure-based monitoring/observability—plus experience designing Azure AI agents with tool integrations like Bing Search.

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Key Strengths

  • Built and deployed LLM-based content generation product for nursing education
  • Integrated multimodal RAG with internal proprietary data and external resources
  • Handled ingestion/vectorization of PDFs with images plus structured JSON data in Cosmos DB
  • Improved LLM output quality using prompt templates, LangChain multi-prompt chaining, validations, and guardrails
  • Production-oriented orchestration and observability using Docker/Kubernetes and Azure Monitor/Application Insights
  • Designed agent workflows in Azure AI Agent Service with tool integrations (e.g., Bing Search, MCP)

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Experience

Software ArchitectHappiest Minds Technologies · Aug 2025 – Present
Technical ManagerHappiest Minds Technologies · Jan 2018 – Sep 2022
Technical LeadHappiest Minds Technologies · Jan 2015 – Dec 2018
Project LeadQuest Global · Apr 2011 – Dec 2015
Senior EngineerHoneywell Aerospace · Oct 2008 – Apr 2011

Education

Anna Universitybachelor, Information Technology (2006)

Languages

English

Certifications

Microsoft Certified: AZ-900 Azure FundamentalsMicrosoft Certified: AI-900 Azure AI FundamentalsMicrosoft Certified: AI-102 Azure AI Engineer Associate

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Connect with Vasantharaj

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Typically responds within 24 hours

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Vasantharaj SubramanianPrincipal Software Architect specializing in AI/ML and cloud-native full-stack platforms