Technologies and Stack

Since 1991 GERSIS has gained experience in numerous technologies and industry domains that enables us to offer you the right technology for every project.

Our Key Java Stack Skills

Spring Framework, Boot, Data, Batch, Security, AMQP
Java EE, EJB, JPA, JTA, JMS
Containers (JBoss, Wildfly, WebSphere, Tomcat, Jetty, and more)
Big Data (Hadoop, HBase, Spark, Phoenix, Zookeeper)
BI (Jasper Reports, Jasper Server, Pentaho, BIRT)
Hibernate, EclipseLink, Apache Delta Spike Data, MyBatis
PostgreSQL, MySQL, NoSQL, MariaDB, DB2, Oracle, MongoDB, and more
SOA (ESB, BPMN, BPEL)
Other (Redis, Ehcache, Infinispan, Hazelcast, Elasticsearch, JMeter, JProfiler, VisualVM, Eclipse MAT)

.Net Skills

ASP.NET, ASP.NET Core, ASP.NET XML Web Services, ASP.NET MVC
Cross-platform mobile apps (Xamarin, C#) and Windows Phone
Azure Services, ADO.NET, LINQ, Prism, WPF, Silverlight, RIA Services, WCF Data Services, MSMQ
MS Enterprise Products (MS Dynamics CRM, SharePoint Server 2016 and SharePoint Online)
Build Tools: CruiseControl.NET, TeamCity + Phantom, Team Foundation Server
Frameworks: Entity, MVVM Light, Spring.NET, Castle.NET, Micro and Compact Framework
Development environments: MS Visual Studio 2016, MS Expression
Database: MS SQL, SQLite, MySQL, PostgreSQL, Oracle

MS SharePoint

MS SharePoint consulting
Deployment and configuration of MS SharePoint
Migration to MS SharePoint 2016
Customization and maintenance of MS SharePoint
SharePoint staff augmentation

Frontend JavaScript Skills

JavaScript
AJAX, jQuery, HTML5, CSS
Angular.js, Ember.js, Backbone.js, React.js
Flux/Redux, Meteor

PHP Web development

Object oriented PHP
CMS: WordPress, Drupal, Joomla, and more.
Online services (payment gateways, data sources, APIs, etc.)
REST and JSON services
SaaS (Amazon and Google Cloud)

Mobile App development

iOS, Android, Windows Phone
Cross-platform (Xamarin, Xamarin.Forms, React Native)
Cross-platform frameworks: MoSync, PhoneGap, RhoMobile, Titanium, WidgetPad
Languages: Objective-C, Java, C/C++, C#
Data exchange: JSON, XML
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