Technologies

Java EE / SOA
  • Java EE 5/6, RESTful Web Services, SOA, EJB 2.1/3.0, SOAP 1.1, JMS 1.1/MQ, Servlets 2.5/JSP 2.1
  • Spring Boot 1.3 (Microservices), Spring Integration 2.2 (Enterprise Integration SEDA/EIP), Spring Core 3.2
Big Data
  • Apache Cassandra 1.2, Hadoop 1.1, Flume 1.4, Hive 0.10, Pig 0.11, Mahout 0.8, HBase 0.98 (HTable, Phoenix 4.0), DataStax C* Solr, Ambari 2.1
  • Apache Spark, Shark (Hive on Spark), Kafka, Hadoop 2.2/YARN
Web Service / Standards
  • JAX-RS 1.1, CDI 1.0, JAXB 2.1, WADL, JAX-RPC 1.1, WSDL 1.1, UDDI, SAAJ 1.3, HATEOAS
  • Sun Jersey 1.1 RESTful, JBoss RESTEasy 2.3, Apache Axis2, Apache CXF 2.5, Swagger 1.5
Protocols / Standards
  • HTTP, SOAP, REST, JMS, NETCONF, SNMP, NMS / FCAPS / MIB files
  • JPA 1.0, JAAS, JMX
Messaging (Message Oriented Middleware)
  • HornetQ 2.3 REST, Active MQ 5.5, JBoss Messaging 1.4, IBM Websphere MQ 7.0, Esper 5.2 (Complex Event Processing)
Revision Control
  • Perforce, CVS, SVN, IBM Jazz, Git 1.8
Operating Systems
  • CentOS 5.4, RHEL 5.4, Ubuntu 10.04, Fedora 11.0
  • Windows Family
Application/Web Servers
  • JBoss AS 7.1/5.1/4.2, OCCAS 5.0/Weblogic 10.3
  • Apache Tomcat 5.5/7.x, VFabric TC Server 2.9, HTTPD Server
Test Driven Development / Continous Integration / Agile
  • JaCoCo Code Coverage, JUnit 4, TestNG 6.8, EasyMock 3.0, Mockito 1.10, PowerMock 1.6, PMD 4.2, FindBugs 2.0, Checkstyle 5.5, H2 IMDB, Cassandra Unit, Grizzly 2.0
  • Jenkins CI 1.5, Hudson 2.2, Sonar 3.1, Klocwork Insight, TeamCity 6.0, Gerrit Code Review 2.9, Nexus 2.11
  • Bamboo 5.8, BitBucket 4.2, JFrog Artifactory 3.5, JIRA, Confluence
Build Tools
  • Maven 3.0, Ant 1.8
  • RPM build specs
Scripting Tools
  • Python 2.7, Shell Programming, WLST Scripts
IDE / Tools
  • Eclipse IDE, IBM Rational Team Concert, IBM Ration Application Developer, JetBrains IntelliJ IDEA 8.1
  • YourKit Java Profiler 11.0, iReport 3.0, iReasoning MIB Browser, Hyperic HQ Enterprise, Enunciate 1.2, SQLyog 7.0, SOAPUI 2.0, P4V, GitEye 1.9
  • Vagrant 1.8, VSphere 5.5
Cache / Others
  • Ehcache 2.1, Infinispan 5.3/7.1, Drools 5.5, Lucene 3.6, Solr 3.6, Apache MINA 2.0
  • Java Cryptography - BouncyCastle 1.4, Javassist 3.1, AspectJ 1.6, Java EE Connector Architecture
  • RRD4J 2.0, Google ProtocolBuffers 2.4, Google Guava 14.0, Apache Avro RPC 1.7, Jasypt 1.9, JSch 0.1, XStream 1.4, Antlr 4.1
  • OpenDMK, SNMP4j, Apache POI 3.0, JMagick API
UI Framework / Libraries
  • Apache Cocoon 2.1, Lenya 1.2/2.0 CMS, Wicket 1.4
  • XML/XSD/XSLT/XPath
  • ExtJS 4.1, Liferay 6.1, DWR 2.0 Reverse AJAX, SSE (Server Sent Events), Web Sockets.
Reporting
  • JasperReports 3.0
Database / ORM / Sharding / Clustering
  • MySQL 5.x
  • Hibernate 3.0, Hibernate Shards 3.0
  • MySQL NDB ClusterJ, MySQL Fabric 1.4