demian0311@gmail.com | neidetcher.com | 303.246.0841

Summary of Qualifications

  • Strengths are Learner, Achiever, Focus, Responsibility
  • Pragmatic team player that thrives on producing tangible results that add real benefit.
  • 20 years on Java platform (Java, Groovy, Scala) primarily in the telecom domain.

Skill

Languages and APIs

  • Java (FP with Java8), JMS, J2EE, EJB, iBatis, JDBC, Hibernate, JSP, Struts2, Spring (DI, AOP, DAO, Security)
  • Groovy, Grails, Python (Django , CGI, PIL), Jython, Ruby, Rails
  • Scala, Lift, Play, Finagle
  • Spring, Spring-Boot, Hystrix
  • SQL, Stored Procedures, MySQL, Oracle, PostgreSQL, MongoDB, Hazelcast
  • Netty, SipStack.io
  • gradle, sbt, Maven 2, Ant
  • jUnit, Spock, EasyMock, Mockito, jUnitPerf, Selenium-IDE (and selenium-java), Cobertura, Jacoco, Pitest
  • UML, OOP, OOA/D, FP, AOP
  • ReST (JRA), SOAP (CXF, Axis2, JAXWS), XML

Platforms and Tools

  • Tomcat, Apache, Nginx, JBoss, ServiceMix ESB, BEA Weblogic
  • Linux (primarily Debian based), most types of Unix, MacOS
  • MySQL, PostgreSQL, HSQLDB, Oracle, DB2
  • IntelliJ IDEA, Eclipse, VIM, OmniPlan, OmniGraffle
  • Paw, SOAPUI, VisualVM, Charles Proxy, Burp Suite, Wireshark, Subversion, git, Jenkins

Experience

Inteliquent - Senior Director 911 Software, Boulder, CO (May 17 - Present)

  • Building a 911 VoIP Positioning Center and Mobile Positioning Center for carrier customers.
  • Ensure quality process, architecture and design across teams.
  • Develop 911 solutions using NG-911 components (ESRP, LIS, ECRF) to interoperate with legacy 911 call handling.
  • Wrote a Java Netty application to maintain E2 and PAM ALI connections.
  • Wrote an extensible SIP call router using Java and Netty handling 2500 calls per second across 8 nodes in production.

Time Warner Cable - Senior Engineer, Denver, CO (Oct 10 - May 17)

  • Lead engineer on 2 PCI customer portal applications written in Groovy and Grails.
  • Residential and commercial portal development in Groovy and Grails.
  • Scala RESTful JSON middleware to support portals integrating a dozen back-end systems.
  • Designed and implemented edge web services backing the first cable iPad application to stream real-time video content. The application and service was awarded the 2011 Academy of Television Arts & Sciences Philo T. Farnsworth Award.
  • Wrote Android demo application featured in Samsung keynote at the 2011 CES.

Dash Carrier Services - Principal Architect, Denver, CO (Jun 07 - Oct 10)

  • Collaborated with business and leadership to establish a domain model and database schema to run a VoIP and 911 geo-spatial call routing systems.
  • Created architecture and design for the entire software solution.
  • Managed a 6 engineer team built by hiring and integrated from acquisition.
  • Lead agile process as scrum master, aligning work with strategic and tactical business goals.
  • Communicated with customers to make sure they could use our API.
  • Wrote software to dynamically pick vendors for phone traffic and 911 service provisioning based on least cost.

OpenLogic - Senior Engineer, Broomfield, CO (Dec 06 - Jun 07)

  • Evaluated open source software and normalize it into distributable packages with Groovy.
  • Java web app development with JSF, SOAP, Hibernate, Spring and Geronimo.

Avaya - Member of Technical Staff, Westminster, CO (Nov 04 - Dec 06)

  • Integrated Lotus Domino Sametime groupware and Avaya voice conferencing system.
  • Wrote JBI components and JMX MBeans for an Enterprise Service Bus (ESB).

Level 3 - Senior Engineer, Broomfield, CO (Feb 00 - Nov 04)

  • Wrote the first SOA service at Level 3 to support tracking of network inventory.
  • ReST and SOAP SOA authoring and consumption with J2EE back-end.
  • Used MapQuest and MS MapPoint geocoding services to ensure location data integrity.
  • ORM Persistence layer design and implementation against Oracle.
  • Web and J2EE API development, deployment, build automation and configuration.

ASD Interactive - Application Developer, Morton, IL (Apr 99 - Feb 00)

  • Java E-commerce development IBM WebSphere and DB2.

Affina - Programmer / Analyst, Peoria, IL (Dec 97 - Apr 99)

  • Oracle data warehousing analysis and data extraction from de-normalized RDBMS.
  • Python CGI development and markup conversion.

US Marines - Infantry Rifleman, Security Forces, Secret Clearance (90 - 94)

Education

  • University of Colorado graduate SW Certificate in Software Engineering, Boulder, CO - 2004
  • Bradley University, BS, Computer Science, Peoria, IL - 1999

I also wrote a career narrative.