Software Engineering (16 yr); Software Architecture (10 yr); DevOps & SysOps (6 yr); Software Development Management (5 yr); Agile Software Development (6 yr) via XP, Scrum, Kanban
Languages
Java (10 yr), Ruby on Rails (1 yr), .Net (8 yr), Javascript (8 yr), perl (10 yr), php (1 yr), Objective C (1 yr); Java/Android (1 yr); Blackberry (1 yr), XML (10 yr), XSLT (5 yr), HTML (14 yr), C++ (2 yr), Flex & Flash (3 yr)
Databases
MySQL & MariaDB, Postgres, Oracle, MS SQL 2000, 2005 & 2008
Java Open Source Tools
Spring, JPA/Hibernate, Spring MVC, Jersey REST, Axis 1 & 2; gradle; maven & artifactory; JDBC & Database Connection Pooling; Multithreaded Socket Programming; POI; Lucene; Quartz; ehcache; JMS: ActiveMQ, ZeroMQ; ant; Eclipse; JDOM; SWT, Swing
NoSQL
Memcached, Redis, MongoDB, Cassandra
Search
Lucene, ElasticSearch, GSA
Messaging
ZeroMQ, ActiveMQ
Source Control
git, svn, synergy, tfvc, vss, cvs
Systems
Linux: Redhat, Slackware, Fedora, AWS, Ubuntu; Windows; Mac; Solaris
CM & SysOps Services
Capistrano, Chef, Bash Scripting & Systems Administration, nginx, php-fpm, HAProxy, Varnishd, Phusion Passenger, IIS