Resume · Experience

Three decades of building systems—and now, AI.

Gary Butler

I'm a software developer and technology leader with more than 30 years of experience, now focused on agentic AI, LLM integrations, and secure enterprise applications.

30+Years in software development
AIAgents, RAG & LLM systems
LeadEnterprise & global teams
2026B.S. Information Technology
Mar 2026 - Present

Summit Utilities, Inc. · Fort Smith, Arkansas

AI Developer

Building secure, production-ready AI applications and agentic workflows around enterprise data.

  • Develop AI-enabled applications with Python, LLM APIs, retrieval-augmented generation, and vector databases.
  • Build agentic and multi-agent workflows with LangGraph, LangChain, Pydantic AI, Google ADK, and MCP servers.
  • Implement tool calling, structured outputs, human-in-the-loop controls, evaluations, observability, and guardrails.
Jun 2009 - Feb 2026

Summit Utilities, Inc. · Fort Smith, Arkansas

Senior Manager, IT Applications

Led developer and analyst teams responsible for enterprise application development, integrations, and production support.

  • Modernized Oracle E-Business Suite integrations with an emphasis on reliable, scalable solutions.
  • Championed AI adoption, entrepreneurial thinking, and continuous improvement across the organization.
Aug 2005 - Feb 2009

Wincor-Nixdorf · Austin, Texas & Paderborn, Germany

Senior Software Engineer

Directed a multinational development team and delivered custom point-of-sale solutions and technical training for global restaurant clients.

Feb 1998 - Aug 2005

K-MAC Enterprises / POSitive Solutions · Fort Smith, Arkansas

Lead Developer / Partner

Co-founded POSitive Solutions and developed a comprehensive point-of-sale platform for the second-largest Taco Bell/KFC franchise in the United States.

AI & agents

PythonLangGraphLangChainPydantic AIGoogle ADKCrewAIMCPRAGVector databasesLLM APIs

Software

C#RVB.NETWPFEntity FrameworkASP.NET MVCJavaScriptReactMAUIReact Native

Data

PostgreSQLMS SQL ServerMySQLOracleMachine learning

Purdue University Global

B.S. Information Technology (Management)

Expected 2026 · GPA 3.98

University of Arkansas - Fort Smith

Computer Science coursework

May 1990 · GPA 4.0

University of Arkansas - Fort Smith

A.A.S. Electronics Technology

May 1987 · GPA 3.91 · Outstanding Electronics Graduate

Applied Data Science & AI

MIT Professional Education

Leveraging AI and machine learning to enhance business solutions.

Licensed Remote Pilot

Federal Aviation Administration

FAA Part 107 Drone Pilot.

Build something useful

Experience is most valuable when it moves the work forward.

Discuss an opportunity