Proven expertise in developing intelligent chatbots and virtual assistants using Dialogflow CX, Google CCAI, Microsoft Azure Bot Service, IBM Watson, and RASA Pro. Designed and orchestrated multi-platform chatbot workflows, integrating Azure CLU, IBM WatsonX, and RASA with third-party language models and LLMs. Integrated chatbots with OAuth2-based authentication, leveraging Azure AD, GCP IAM, and Okta SSO for secure identity and access management. Built custom UI components for RASA and utilized RASA speech-to-text APIs to enhance conversational AI with dynamic intent and entity recognition. Engineered conversational AI experiences with GPT-4 for sentiment analysis and text generation, deploying Python-based REST APIs on Azure cloud. Developed and deployed cloud-native microservices using Azure Kubernetes Service (AKS), Azure DevOps pipelines, container services, MySQL DB, and monitoring with Grafana. Hands-on experience building chatbots from scratch using Microsoft Bot Framework and enhancing user experience through adaptive cards and interactive webchat components. Successfully integrated Dialogflow CX bots with CCAI and external cloud APIs for authentication and enterprise-grade deployment. Developed virtual assistants using Kore.AI, incorporating advanced NLP capabilities to drive seamless user interaction across platforms. Implemented robust MongoDB solutions across on-prem, Azure Cosmos DB, and Azure Mongo instances, performing complex CRUD operations via PyMongo and .NET clients. Delivered chatbot solutions end-to-end on Azure and IBM Cloud, utilizing cloud-native tools and services for scalable, secure deployments. Extensive experience in rapid application development using WaveMaker, Angular, and Node.js for full-stack conversational AI solutions. Built and maintained CI/CD pipelines with Jenkins and Python scripts to automate microservices onboarding and Kubernetes deployments. Expert in deploying NLP-driven chatbots across social platforms using Google Dialogflow, Microsoft LUIS, and Azure Bot Service.