Joshua D.

AI Systems Engineer | Agentic AI, RAG, Python Backend & DevOps

Thank you for reviewing my profile. I’m an AI Systems Engineer with 7+ years of experience building scalable backend systems, web applications, and production AI solutions. My focus is on building AI systems that connect LLMs to real business data, APIs, CRMs, internal tools, and workflow automation. I specialize in agentic AI, RAG pipelines, AI automation, and backend integrations that help companies move beyond simple chatbots into practical, production-ready AI systems. Core Expertise: AI & Automation: - LLM integration with OpenAI, Claude, Gemini, and AWS Bedrock - Agentic workflows using LangChain, LangGraph, CrewAI, and n8n - RAG systems using embeddings, vector databases, and semantic search - AI assistants, internal knowledge systems, and workflow automation - Prompt engineering, tool calling, structured outputs, and AI evaluation Backend & Data: - Python, FastAPI, Django, Node.js - REST APIs, GraphQL, microservices, and backend architecture - Data pipelines, ETL workflows, and structured/unstructured data processing - PostgreSQL, MongoDB, MySQL, Neo4j, and vector database integrations Cloud & DevOps: - AWS, Azure, Docker, CI/CD pipelines - Cloud deployment, monitoring, logging, and infrastructure automation I help businesses build reliable AI-powered systems that improve operations, reduce manual work, and make company data more useful. My strength is not just building prototypes, but delivering scalable, maintainable, and production-ready AI solutions.