Parallel Computing
Computer Science
Open Source Software
High-Performance Computing

Apache Spark Developer :

Acquia Certified Developer :

Software Development, Apache Spark, Python, C / C++, Asm, Unity3d, C#, Algorithms, Parallel Computing

Darrell R Ulm


Member for
10 years 9 months
Over 10 edits
Drupal Contributions: 

Created Google Books module:

Created IP Path Access module:

Code and maintenance for SiteMap module:

Module upgrade for Creative Commons Lite module:

Code for Filefield Role Limit module (similar to D5 functionality):

Code to Sunlight Congressional Districts (with optional CiviCRM integration) module:

Work towards upgrade for Abuse module from Drupal 5 to Drupal 6:

Drupal 7 Core patch code:

Areas of Expertise: 
Parallel Computing
Apache Spark
Drupal PHP/MySQL Module Development
Database Migration
other tech

Credited on 3 issues fixed in the past 1 year


I contributed Drupal patches
I contributed Drupal modules
I contributed to Drupal issue queues
I contributed Drupal documentation
I reviewed Project applications
I help in the Drupal support forums
I provide Drupal-related services
I give support on IRC
I help mentor new contributors