Tom Vellavoor Saji

About

Tom Vellavoor Saji

Senior AI Engineer — Azure AI, Agentic Systems, and Enterprise LLM Platforms

I design and build production AI systems using Azure OpenAI, Retrieval-Augmented Generation, and multi-agent orchestration. My work powers enterprise and government AI deployments across Qatar.

90+ AI systems in production · Scaled AI engineering from 3 to 30+ engineers · Delivered for Qatar Foundation, Al Jazeera, Qatar News Agency, and Invest Qatar.

Expertise

Platforms, systems, and tools

AI Platforms

  • Azure OpenAI
  • Azure AI Foundry / Foundry Agents
  • Azure AI Search
  • Semantic Kernel
  • LangChain
  • LangGraph
  • Microsoft Foundry Agent Service
  • Model Context Protocol (MCP)

Cloud & DevOps

  • Azure Container Apps
  • Azure Functions
  • Azure Storage
  • PostgreSQL
  • Cosmos DB
  • Service Bus
  • Entra ID & RBAC
  • Docker
  • Azure DevOps
  • GitHub Actions

Application Engineering

  • Python
  • FastAPI
  • TypeScript
  • React / Next.js
  • REST APIs
  • Microservices
  • WebSockets
  • Real-time AI systems

Selected work

Production systems

Botaina — Enterprise AI Chatbot (Qatar Foundation)

  • Enterprise chatbot built with Azure OpenAI and Azure AI Search
  • Handles 3,000+ daily queries
  • Achieves ~90% resolution rate
  • Built secure private architecture using Entra ID and RBAC
  • Supports multi-language RAG pipelines

Architecture

Users → API Layer → RAG Orchestrator → Azure AI Search + GPT-4o → Guardrails + RBAC

Al Jazeera — Multilingual Video AI Platform

  • Hybrid Whisper + Azure transcription pipeline
  • Supports 10+ languages for transcription and translation
  • Includes AI content moderation in the processing loop
  • Reduced editorial review time from hours to minutes

Architecture

Ingest → Speech-to-Text (Whisper + Azure) → Translation → Moderation → Editorial Delivery

Real-Time AI Avatar Platform

  • WebRTC video streaming with low-latency response loops
  • WebSocket audio pipelines for conversational flow
  • Semantic Kernel tool calling integrated with business systems
  • Azure Speech TTS avatars for production deployments
  • Supports 50+ concurrent sessions across multiple products

Architecture

Client ↔ WebRTC Session ↔ Real-Time Agent Core ↔ Tooling + TTS Avatar + Enterprise APIs

Government AI Agents (Foundry)

  • Private agentic AI systems for government entities
  • Built on Microsoft Foundry Agents with secure tenancy boundaries
  • Bing Custom Search grounding and multi-agent orchestration
  • Secure Entra ID access controls for enterprise-grade governance
  • Used by 200+ users across multiple departments

Architecture

Entra ID Auth → Foundry Agent Mesh → Grounding Services → Department Workflows

Side projects

Independent builds

  • AI Agent Builder Platform
  • LangChain RAG Agent

Credentials

Certifications & education

  • Microsoft Certified: Azure AI Engineer Associate
  • Microsoft Certified: Azure Developer Associate
  • B.E Electrical & Electronics Engineering — Anna University (2020)