Ensode Technology, LLC logo

Ensode Technology, LLC

Technology solutions to serve your business
(571) 249-3901
Twitter: @ensode

Company Overview

Founded in 2007, Ensode Technology, LLC has been helping clients with their software architecture, design and development needs. The company's Chief Technology Officer and founder, David R. Heffelfinger, has over 15 years of software architecture, design and development experience. Mr. Heffelfinger is well known in the software development field; Mr. Heffelfinger has authored several books on software development and related technologies, focusing on enterprise technologies such as Java, J2EE and Java EE.

Personnel Capabilities and Experience

Mr. David R. Heffelfinger, Chief Technology Officer

  • Over 15 years of Java/Java EE/J2EE software architecture, design and development experience.
  • Author of several books on Java and related technologies (author profile)
  • Has been a speaker on multiple occasions on popular software development conferences such as the Oracle sponsored JavaOne conference.
  • Author of a video training course on Enterprise Java Development with the NetBeans Integrated Development Environment.
  • Has been interviewed on several occasions on DZone, a very popular web site covering technology topics
  • Has been a guest author twice at Code Ranch (formerly Java Ranch), another popular site for software developers.
  • Has been interviewed in the NetBeans podcast, an internet podcast covering the NetBeans Integrated Development Environment.
  • Is a Java EE/J2EE instructor

Products and services offered

Our firm offers software architecture, design and development services; as well as providing instructor-led, classroom-based and remote training courses to information technology and business professionals.

NAIC Code Description
541511 Custom Computer Programming Services
541512 Computer Systems Design Services
611420 Computer Training

Client List


Implemented enhancements for the Department of Housing and Urban Development (HUD) Community Planning and Development (CPD) Integrated Disbursement Information System (IDIS) and the Grants Management Process Reengineered (GMP-R) projects.


Implemented several enhancements to the United States Visitor and Immigrant Status Indicator Technology (US-VISIT) project for the Department of Homeland Security.

Northrop Grumman

Our firm was instrumental in supporting the Army Knowledge Online (AKO) project for our client. The application developed supports over 2 million users.


Ensode Technology LLC supported the U.S. Customs and Border Protection (CBP) Automated Commercial Environment (ACE) modernization project; developing sophisticated user interfaces to facilitate interaction with the application.

Verizon Business

Software design and development of a web based, enterprise Governance, Risk Management and compliance application for Verizon Business.

Public Broadcasting Service (PBS)

Assessed different tools, APIs and libraries for use in PBS Digital Learning Library (DLL). Evaluated and recommended tools for the application. Developed prototype applications with the proposed tools.

Learning Tree International

Ensode Technology LLC provided an instructor teaching a software development class covering modern enterprise frameworks and APIs.


Ensode Technology LLC provided an instructor in a live instructor led online class. The class covered software development tools as well as modern enterprise software development frameworks.

Packt Publishing

Ensode Technology LLC personnel have authored several books plus a video training course on software development.

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