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David User

@daviduser87

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AI engineer at Microsoft who improved multi-turn agent accuracy by 30% with LangChain and LangGraph orchestration.

United States

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What I'm looking for

I’m looking to deliver AI solutions that empower compliance teams and reduce manual workflows, with end-to-end ownership from concept through production.

At Microsoft, I designed and implemented LLM orchestration pipelines with LangChain and LangGraph, improving multi-turn agent accuracy by 30%. I also integrated OpenAI and Claude into autonomous compliance workflows, enhancing fraud detection precision by 25%.

Previously, I developed fraud detection and risk assessment models at Wells Fargo, where I worked with compliance teams on KYC/AML workflows. My earlier work included building fintech data-ingestion services at Jack Henry and healthcare software modules at Sheridan Healthcare.

Experience

Work history, roles, and key accomplishments

Senior AI Engineer - LLM Systems

Microsoft

Jan 2019 - Jan 2026 (7 years)

Designed and implemented scalable LLM orchestration pipelines using LangChain and LangGraph, improving multi-turn agent accuracy by 30%. Developed production microservices in Java and Dropwizard deployed on AWS with Docker and Kubernetes, reducing deployment time by 40%.

Lang Chain LangGraph Java Dropwizard AWS Docker Kubernetes OpenAI Claude Langfuse LLM orchestration Microservices Observability Agent orchestration Cost Aware Multi Model Routing Structured Extraction

Machine Learning Engineer

Wells Fargo

Jan 2015 - Jan 2019 (4 years)

Developed NLP models and pipelines for fraud detection and risk assessment in financial services. Deployed machine learning microservices on cloud platforms improving transaction monitoring throughput by 35%.

NLP Fraud Detection Risk Assessment Machine Learning Microservices Cloud Computing KYC AML Model Evaluation Data Processing Monitoring Dashboarding

Software Engineer - Data & AI

Jack Henry

Jan 2014 - Jan 2015 (1 year)

Built backend services supporting data ingestion and AI model integration for fintech applications. Improved system scalability and reliability through microservices architecture.

Backend Services Data Ingestion AI Model Integration Microservices ETL Compliance Agile Code Review

Software Developer

Sheridan Healthcare

Jan 2013 - Jan 2014 (1 year)

Developed healthcare software modules focusing on data accuracy and security. Collaborated with cross-functional teams to meet regulatory compliance requirements.

Healthcare Software Data Accuracy Security Regulatory Compliance Performance Optimization User Experience