AI Engineer – WhatsApp Integration

Job Summary Cognizant is seeking an AI Engineer - WhatsApp Integration to build and deploy production-grade AI-powered conversational applications using WhatsApp Business Platform, LLMs, RAG, and cloud technologies. Responsibilities Build AI chatbots and virtual assistants using WhatsApp Business/Cloud API. Integrate LLMs, GPT, GenAI, and RAG into conversational workflows. Develop Python and/or Node.js backend services, REST APIs, and webhooks. Integrate WhatsApp solutions with CRM, ticketing, and enterprise systems. Implement conversation memory, context management, prompts, and AI guardrails. Build RAG pipelines using vector databases. Manage WhatsApp templates, opt-ins, session rules, and messaging compliance. Deploy and monitor applications on AWS, Azure, or GCP. Optimize performance, reliability, latency, security, and response quality. Required Skills Hands-on AI/LLM/Generative AI application development. Experience with WhatsApp Business API / WhatsApp Cloud API or similar messaging platforms. Strong Python and/or Node.js skills. Experience with REST APIs and webhooks. Cloud experience with AWS, Azure, or GCP. Production chatbot/conversational AI experience. Preferred Skills RAG, LangChain, LlamaIndex, LangGraphPinecone, FAISS, pgvector, Azure AI SearchTwilio, Gupshup, 360dialog, InfobipDialogflow, Rasa, Amazon LexSalesforce, Zendesk, ServiceNow or other CRM integrationsDocker, Kubernetes, CI/CD Candidate Requirements 5+ years of software/backend engineering experience preferred. 2+ years of AI/GenAI experience preferred. Must be willing to work in Sunnyvale, CA. Must provide work authorization, current/expected compensation, availability, and updated resume. Ideal Profile: AI/GenAI Engineer with hands-on WhatsApp + LLM + RAG + Python/Node.js + REST/Webhooks + Cloud experience.