Roy K. Clemmons

Skills

Experience

1. 2024 – Present

   Senior Technical Manager

   EssilorLuxottica USA · Dallas, TX

   • Manage the PMS Integration Team.
   • Build applications with large language models such as Claude, ChatGPT, Gemini and Copilot, and mentor developers on using AI to build software.
   • Promoted from Lead Software Developer.

2. 2021 – 2024

   Lead Software Developer

   EssilorLuxottica USA · Dallas, TX

   • Led development for the 4PC Features Team.

3. 2020 – 2021

   Full-Stack Software Engineer

   Zachary Piper LLC · for Omnicell · Plano, TX

   • Rapid Response team member building and testing new and existing web applications from layout to function.
   • ASP.NET MVC, C#, Angular, Azure Cloud Services, Azure Data Factory and SQL Server.
   • Test-driven development in an agile process using Azure DevOps.

4. 2018 – 2020

   Senior Full-Stack .NET Developer

   NHRG Technical Services · for Texas Real Estate Commission · Austin, TX

   • Built web and desktop applications with ASP.NET MVC and Core, C#, React, Vue, Python, Oracle and SQL Server.
   • Created real-time dashboards with React, Redux, Chart.js and SignalR, plus several AI chatbots using Dialogflow.
   • Built a production rule system to determine convictions from criminal histories, and an in-house IT portal secured with Azure Active Directory.

5. 2018

   Senior Developer

   Randstad · for Moody's Analytics / USAA · San Antonio, TX

   • Built a data analytics web application for USAA's Chief Credit Risk office to assess credit and market risk.
   • Chart.js, DataTables, Vue, Web API, C#, LINQ and DB2, in a Scrum process.

6. 2016 – 2018

   Chief Architect & Lead Developer

   TherapyTrak · Austin, TX

   • Azure-hosted startup application for tracking client progress in chemical dependency treatment (C#, MVC, SQL Server, Redis).

7. 2014 – 2018

   Technical Lead & Solutions Architect

   NHRG Technical Services · for Texas Health and Human Services · Austin, TX

   • Led the agency's web application for travel authorizations, advances and claims.
   • Trained all developers in test-driven development in an agile, continuous-integration environment.
   • Designed and built the HHSCIT Statistics System for tracking project hours by accounting code.

8. 2013 – 2014

   Software Architect (Consultant)

   TiPS, Inc. · Georgetown, TX

   • Re-architected a multi-threaded Windows service that monitors OPC DA servers for commercial industrial alarm management.
   • Designed a real-time publish/subscribe cache using SQL Server triggers and MSMQ, and an XML-based rules engine.

9. 2013

   Senior Software Engineer & Tech Lead

   NextGen Healthcare · Austin, TX

   • Integrations team lead connecting four hospital applications (HL7, Mirth, SQL Server).

10. 2012 – 2013

    Technical Lead & Solutions Architect

    Matrix · for ADT Security Services · Dallas, TX

    • Led the migration of 80+ corporate applications, including HR data, from Tyco to ADT.

Earlier career

• 2010 – 2012Aquire Solutions · Oxford International · Dallas, TX
  Software Developer — HR and healthcare web applications
• 2009 – 2010P2Solutions · Frisco, TX
  Chief Architect — built ReserveFishing.com and a real-time housing directory
• 2008 – 2009Rapp Collins · Irving, TX
  Software Engineer — retail marketing tools
• 2008Netwatch Solutions · Dallas, TX
  Software Architect — WCF-based enterprise agent
• 2007 – 2008Matria Healthcare · Dallas, TX
  Senior Systems Engineer — password security policy
• 2005 – 2007Diversified Technology Systems · Randolph AFB, TX
  Software Architect — modernized the Virtual Military Personnel Flight system
• 2004 – 2005Texas Education Agency · Austin, TX
  Consultant — agile, TDD and model-driven development mentoring
• 2004Lockheed Martin · Randolph AFB, TX
  Architect — n-tier manpower application and single sign-on
• 2002 – 2004Integrated Computing Systems · Lockhart, TX
  Founder — VCTools for Visual C++, consulting
• 2001 – 2002Emergisoft · Arlington, TX
  Developer — Oracle to DB2 conversion
• 2001EmSTAT · Austin, TX
  Architect & Development Lead — real-time ER charting
• 2000 – 2001Synchronicity · Austin, TX
  Member of Technical Staff — distributed Java applications
• 1999 – 2000Cisco Systems · Austin, TX
  Team Lead — ViewRunner DSL network management
• 1998 – 1999IBM · Austin, TX
  Developer — JavaOS evaluation lab
• 1997 – 1998SPEC · Austin, TX
  Architect — AI flight-prediction software for the U.S. Air Force
• 1995 – 1997AMD · Austin, TX
  Advanced R&D — K5 processor verification and an 80x86 expert system
• 1994 – 1995BMC Software · Austin, TX
  Developer — multi-platform enterprise database tools
• 1993 – 1994Tandy · Fort Worth, TX
  Lead CICS Systems Programmer
• 1983 – 1993Viasoft · Dallas Systems · Aviall · EDS · Garland ISD · Texas & Arizona
  Systems and applications programming

Certifications

• May 2026Claude 101 · Anthropic
  Credential ID qus63cr5h6gr
• May 2026Claude Code 101 · Anthropic
  Credential ID azxddfnxb4yh
• May 2026Introduction to Claude Cowork · Anthropic
  Credential ID tbu64u7gctbf
• May 2026Introduction to Subagents · Anthropic
  Credential ID wqr563p498ph
• March 2024Microsoft Certified: Azure AI Fundamentals · Microsoft
  Credential ID B3C0C1660DED7C57

Education & service