David McDuffie

Results-driven AI professional with 9+ years of hands-on experience delivering scalable, production ready solutions across LLMs, recommendation engines, and full-stack systems. Proven expertise in building and orchestrating LLM-powered AI agents using cutting-edge tools like LangGraph, LangSmith, and PyTorch, coupled with deep knowledge of e-commerce personalization, multimodal NLP, and MLOps pipelines.  Led LLM agent development with memory, API access, and dynamic branching logic, elevating user engagement and automation.  Delivered 23% boost in conversions and 37% engagement lift through hyper-personalized product recommendations powered by user embeddings.  Architected scalable AI platforms with robust observability, CI/CD pipelines, and real-time analytics using cloud-native tools (AWS, SageMaker, EMR).  Drove multilingual NLP applications at Meta, scaling to 1 B+ users with low-latency, distributed inference.  Implemented mission-critical systems including fraud detection, secure authentication, and AI content moderation, improving KPIs and compliance.  Trusted mentor and cross-functional leader, collaborating with product, DevOps, and design teams o deliver impactful AI-powered user experiences. Combining deep technical fluency with strategic vision, I excel in driving innovation from ideation to execution across full-stack AI systems.