Technologies

Windows XP, 2003 Server, 2008 Server, 2012 Server, Vista, 7, 8, 8.1, and 10
UNIX: Linux, Ubuntu, FreeBSD, CentOS, SuSe, RedHat, Debian, OpenBSD, Fedora, Linux Mint, Slackware Linux, Solaris, Reliant UNIX, AIX, Astra Linux
IBM: OS/2, OS390, AS400
Mac OS X
iOS
Android

JAVA ( JDK, J2SE, J2EE, J2ME, Java SE 5, 6, 7, 8; Java EE 5, 6, 7; JavaFX, Groovy/Grails)
NET 1.1 – 4.6, ASP.NET
C/C++ (C++11), C#,Objective C, Swift
PHP (including PEAR, Propel, Symfony, Yii, 1.1, 2.0, Zend frameworks)
JavaScript and DHTML, CSS 1/2/3 and CSS selectors, rich AJAX applications since 2000
Python, Ruby, Perl, shell, awk, sed, tcl/tk and other Unix script languages
Pascal (Delphi)
Visual Basic / VBScript / VBA
COBOL, RPG, Prolog and FORTRAN
PL/SQL, T-SQL

JAVA (see section below)
.NET (see section below)
SQL, ODBC / JDBC, ADO, BDE, DAO, OCI, PL/SQL, OLAP, ETL, BI, Data integration
ORM – Object-Relational Mapping – JPA, Hibernate, TOPLink, JDO, GORM, nHibernate, ASP.Net EntityFramework, Propel, GreenDao, ORMLite
AJAX (including prototype.js, dojo, ExtJS (Sencha), jQuery, YUI, mootools, jQuery, AngularJS, Backbone.js, Ember.js, ReactJS and other original frameworks)
DHTML/CSS
XML / XSL / XSLT, XSL-FO, SVG
DOM, SAX
CORBA / DCOM / SOAP / REST
YACC / LEX
Encryption: RSA, MD5/SHA, Blowfish/Twofish, IDEA, RC2/RC4, GOST, elliptic curves, etc.; SSL, HTTPS, TLS, OpenSSL
LDAP, SAP ABAP/4, R/3, JCO
ColdFusion
Lotus Notes
Adobe Flash / Flex / AIR
WebDAV
Lucene, Solr, AWS CloudSearch, SpinxSearch
TCP/IP protocols: FTP, HTTP, SMTP, POP3, other
Apache modules, CGI, fastCGI, Nginx modules
Driver development for Linux, Solaris, Windows (NT 4 – Windows 2012), Windows CE / Windows Mobile, MacOS X
Qt
SalesForce
DITA, OASIS, OpenDoc, SGML, ePub, and PXE
Tech Soft 3D HOOPS Visualize
Adobe CreativeSuite plug-in development, including Adobe InDesign, Adobe InDesign Server, Adobe InCopy, Adobe Illustrator, Adobe Photoshop
QuarkXPress XTension development

JDK, J2SE, J2ME, JavaSE, JavaEE, JavaFX, Groovy
AWT, Swing, Applets, Java Beans
JNDI, JCE, JavaMail, JMF, JMS, JMX, JTA, JAXP, JiBX, JAAS, OC4J, JNI, RMI, JDBC, JCO, JCA
Servlets, JSP, J2EE, JavaEE5, EJB
Spring and all modules, dependency injection, inversion of control
Struts 1 and 2, JSF, SpringMVC, Grails, Cocoon, Velocity, Tapestry, JSTL, JoSSO, Axis 1.x, Axis 2.x
ORM: JPA, Hibernate, TopLink, JDO, GORM
Adapters, Connectors, JCA, Neco/XHTML
JavaCC, SableCC
Java WebStart
FOP, Batik, Saxon extensions and contributions, XSLT/XSL-FO
Ant, Maven, xUnit, Jenkins, Continuum, Bamboo

Microsoft .NET Framework (versions 1.0 – 4.5)
.NET Compact Framework
ASP.NET and ASP.NET MVC, C#.NET, VB.NET, ADO.NET, EntityFramework
LINQ, Azure, WPF, SilverLight, Caliburn Micro
Windows Forms, C# and J#, XML and Web services
ASP VBScript and JScript, CGI
Infragistics NetAdvantage
Microsoft Sharepoint
BizTalk 2003+
InstallShield

Oracle 6, 7, 8, 9i, 10g, 11g, 12c
IBM DB/2 7.1+
MS SQL Server (6, 7, 2000, 2005, 2008, 2012)
Informix 7
Sybase
Interbase, Paradox, xBase
MySQL (4.x, 5.x)
SQLite
Teradata (14.0)
PostgreSQL (7.x, 8.x, 9.x)
MS Access and FoxPro
DEX (Graph database)

Apache and modules
MS Internet Information Server
Resin
nginx
Lotus Domino (from version 5.0.1)
Macromedia ColdFusion

Microsoft IIS + MTS, BizTalk 2003+
IBM WebSphere and MQSeries
Oracle Application Server
Interprise Application Server
Reuters Triarch
FirePond Application Suite
Sybase EAServer
IBM WebSphere
BEA WebLogic
Wildfly (JBoss)
JOnAS
Apache Tomcat
Jetty
GlassFish

Interchange
oscommerce
Intershop
MIVA Merchant
MS E-commerce Server
CyberCash CashRegister
Magento

Rapid Application Development
Agile (Scrum, Extreme Programming, Retrospection, Continuous Integration, Test Driven Development)
Object-oriented Programming, Architecture, Design and Aspects
Rational Unified Process
Microsoft Solutions Framework
Oracle CASE*Method
Fusebox
EMF, UML, 4GL

Neural Networks, image recognition, cluster analysis
Computer Adaptive Testing(CAT), Computer Based Training (CBT)
Text and Speech Recognition
Mathematical Modelling

Tomcat clusters and session replication
MySQL Master-Slave and Master-Master replication
Oracle Real Application Clusters
WebSphere clusters
WebLogic clusters
JBoss clusters

SAP R/3
CICS
ESSBASE
MS GreatPlains and MS Navision (now Microsoft Dynamics)
IBM IMS (including z/OS), MQSeries
JDEdwards / PeopleSoft / Oracle
Lotus Domino
MAPICS
SalesForce
Alfresco
Siebel, Ariba Buyer
Tibco EMS and Tibco RV
Tuxedo

Drupal
Joomla
WordPress

iOS, Android, Blackberry, Windows Mobile, Windows Phone, Windows RT, Smart Watch
Android Studio, ADT, Eclipse, XCode, Xamarin
Android SDK, Android NDK, iOS SDK, PhoneGap (Cordova), jQueryMobile
Realm, SQLite, IoC Containers, Reactive Cocoa, RxAndroid
CocoaPods, Gradle, Ant
Volley, AFNetworking, Retrofit
OpenCV, OpenGL ES, Cocos 2D, LibGDX, Box 2D
Google Services
JUnit, XCTest, Crittercism, TestFlight, HockeyApps, TestFairy

Amazon Cloud platrform: EC2, S3, CloudFront, CloudWatch, SQS, SNS, SES, BeansTalk, CloudSearch
RackSpace, Xen, KVM, OpenStack
Computational and HA clusters, Map/Rediuce clusters
Tomcat clusters and session replication
MySQL Master-Slave and Master-Master replication
Oracle Real Application Clusters
WebSphere clusters
WebLogic clusters
Wildfly clusters