David Allen
Cloud Architecture Consultant at selfemployed
Hamburg, Germany
Summary
👤
Senior🎓
Top SchoolDavid Allen is a Cloud Architecture Consultant based in Hamburg with 18 years of experience architecting distributed, high-performance enterprise systems. He blends deep expertise in Java EE and JBoss-based platforms with hands-on cloud architecture practice at Lufthansa Industry Solutions and long-standing independent consulting as a software architect. His background includes large-scale parallel genomic data processing at Celera and mission-critical embedded and distributed systems for DoD and telecom clients, showing a rare comfort across scientific, regulatory, and operational domains. An active contributor to the Weld CDI project, he implemented and tested core event bus observer functionality, signaling a commitment to robust, well-tested middleware. He holds an MS in Computer Science and a BS in Mathematics from Johns Hopkins, bringing rigorous analytical grounding to pragmatic system design. Colleagues value him for translating complex distributed requirements into reliable, scalable production systems.
18 years of coding experience
20 years of employment as a software developer
Johns Hopkins University
Github Skills (5)
unit-testing10
javas10
event-handling10
dependency-injection10
java10
Programming languages (1)
Github contributions (5)
weld/core
Oct 2008 - Sep 2010
Weld, including integrations for Servlet containers and Java SE, examples and documentation
Role in this project:
Backend Developer
Backend DeveloperContributions:220 commits in 1 year 11 months
Contributions summary:David completed and tested unit tests for the event bus functionality in the Weld project. The commits focused on the implementation of observers, including testing various scenarios such as retrieving bindings, event types, and notifying observers. The user's work was centered on implementing the event bus component of the project. The commit messages also show work on adding and removing observers.
containersgwtmavenrundeckjava-se
VaclavDedik/jboss-seam
Oct 2007 - Jan 2008
Contributions:75 commits in 3 months
seamjava-enterprisejava-developmentframeworkdevelopment-framework
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