Experience

Theatro

• United States
• Software Development
• 1 - 100 Employee

• Cloud Architect, Principal Software Engineer

  • Nov 2016 - Present

  Migrated Theatro's service infrastructure from a local cloud service provider to Microsoft Azure. Rearchitected the system consisting of over 10,000 servers for reliability and scalability. Designed and developed restful APIs used by third party applications to access an Alexa-like IVR system. Designed and developed a real-time tracking system used to repair and reconfigure over 300,000 Linux based IoT devices using Python and MySQL. Developed automated DevOps processes using a combination of the Python fabric framework and Ansible. Led a team of system engineers and full stack developers using node.js, MongoDB and Meteor. Show less



Metaswitch Networks

• United Kingdom
• Telecommunications
• 100 - 200 Employee

• Principal Engineer and Team Lead

  • Apr 2010 - Nov 2016

  AppTrigger was acquired by Metaswitch in April, 2010. In addition to integrating the Service Broker into the Metaswitch product line, served in various roles, including as a project lead for a long term lab trial for an IMS based NFV project to replace the existing AT&T Visual Voicemail function with a virtualized equivalent using OpenStack at AT&T labs in Austin TX. Worked with a team to automate all test function for a virtualized Open IMS Core, running on both OpenStack and VM Ware. Also performed feature development on Metaswitch existing product suite, using C++, Java, and Python in a Linux environment. Show less



AppTrigger, Inc.

• Richardson TX

• Software Architect, Engineering Manager, Co-Founder

  • Jul 2002 - 2010

  Co-founded a telecommunications company that builds a large scale programmable telecommunications protocol conversion platform that provides network transformation services (Service Broker) using SIP, ISUP, INAP, MAP, and CAMEL protocols among others. Oversaw technical aspects of the product, ensuring architectural integrity as the product matured, wrote a significant portion of the software, managed and mentored the development team. Platform is customized via third party interfaces which include XML, HTTP restful APIs, and C++. Show less



Carrius Technologies

• United States
• Telecommunications

• Software Engineering Consultant

  • 2001 - 2002

  Started a 6 man consulting firm that provided software engineering and design services to several clients, while raising venture capital for what would later become AppTrigger. Clients included telecommunications companies and defense contractors, utilizing SQL database (Sybase), and embedded C/C++. Started a 6 man consulting firm that provided software engineering and design services to several clients, while raising venture capital for what would later become AppTrigger. Clients included telecommunications companies and defense contractors, utilizing SQL database (Sybase), and embedded C/C++.



Taqua

• United States
• Telecommunications
• 1 - 100 Employee

• Principal Engineer, Sofware Development Manager

  • 1998 - 2001

  Early member of Taqua's Richardson Application Development Center. Wrote significant portions of the infrastructure, management and administration software while building and leading a team of a dozen developers for a compact class 5 telecommunications switch. Visual Studio development environment was used to generate code for an embedded real time OS. Early member of Taqua's Richardson Application Development Center. Wrote significant portions of the infrastructure, management and administration software while building and leading a team of a dozen developers for a compact class 5 telecommunications switch. Visual Studio development environment was used to generate code for an embedded real time OS.



Samsung Telecommunications America

• Richardson TX

• Senior Staff Engineer

  • 1997 - 1999

  Architected and designed OAM&P and maintenance interfaces for Samsung's next generation softswitch. Member of a 40 man architecture team that oversaw development operations in Bangalore India and Seoul, South Korea. Architected and designed OAM&P and maintenance interfaces for Samsung's next generation softswitch. Member of a 40 man architecture team that oversaw development operations in Bangalore India and Seoul, South Korea.



Dna Enterprises

• United States
• 1 - 100 Employee

• Senior Software Engineer

  • 1995 - 1997

  Designed and developed switching platform using Smalltalk and Object Oriented methodologies. Designed and developed switching platform using Smalltalk and Object Oriented methodologies.



Control Systems International

• United States
• Software Development
• 1 - 100 Employee

• Software Project Lead

  • 1992 - 1995

  Designed, developed and installed custom factory automation systems in various industrial settings using VAX/VMS. Managed a small team of developers to design Windows based control system. Designed, developed and installed custom factory automation systems in various industrial settings using VAX/VMS. Managed a small team of developers to design Windows based control system.



DSC Communications

• Telecommunications
• 200 - 300 Employee

• Software Engineer

  • 1988 - 1992

  Worked on fault tolerance and reliability for DSC's SS7 STP product Worked on fault tolerance and reliability for DSC's SS7 STP product