ESTEN Software development 

Oracle database system

Oracle database is one of the most widely used commercial database systems and thanks to its qualities it belongs among the cutting edge technologies. Our team consists of Oracle certified members who specialize in this database. Therefore majority of the systems implemented by our company is based on Oracle database.

Experience with Oracle technologies

• Analysis and design of data models
• Application development in Oracle Forms, Reports, Graphics
• Application development in PL/SQL
• Database administration

MS SQL Server

MS SQL Server is not only a stand-alone database system, but also it is a complex, high-performance, reliable and safe server platform for storage and administration of data in databases and data warehouses. It contains the tool packages for Business Intelligence including advanced reporting.
MS SQL Server is able to handle relational and multidimensional data and it provides reliable “storing” space for multimedia documents and files.

Experience with MS SQL Server

• Analysis and design of data models
• Application development in .NET on MS SQL Server platform

MySQL

MySQL is the most popular open-source database system with over 5 million installations and accessibility through GNU license. It became very popular as a part of solutions which use the software package LAMP - Linux, Apache web server, MySQL and PHP. Its exceptional qualities and overall flexibility are close to the best paid database products.

At the preset MySQL is used also in various modifiable applications based on other platforms such us Google or Facebook.

Experience with MySQL

• Analysis and designs of data models
• Development on PHP platform
• Database administration

Java, as the leading platform for company and huge corporate systems, is one of the technologies we prefer. Our developers are very much experienced in implementation of systems based on Java as well as in using the most popular Java technologies. The Java certified specialists guarantee the high quality of projects.

Experience with Java technologies

• Java/J2EE/JEE
• Hibernate, TopLink, EJB3, JPA
• Spring framework
• JSP/JSF, ADF, Wicket, GWT, AJAX
• Development of Web services
• JFreeChart, JAI
• FOP, POI, JasperReports
• Quartz framework
• Other Open Source technologies

.NET is a platform suitable for building small and big software company systems based on Microsoft technologies. Next to Java it is another key technology we use in project implementation.

Experience with .NET

• N-Hibernate for work with a database
• AJAX for creation of comfortable user interfaces
• Language XSL-FO (formatting objects) for creation of output reports and documents

PowerBuilder is a development tool of the type RAD (Rapid Application Development) which enables us to develop software systems faster and more efficiently comparing to the traditional tools. It supports all widely used database systems and thus it enables us to adjust to the brand preferred by our client.

Sybase PowerBuilder is ideal for implementation of information client-server systems (small and big) with user-friendly operation and attractive design of the client’s part determined for Windows.

Experience with PowerBuilder

• Information systems type client-server on Oracle database
• Use of PFC (Powersoft Foundation Classes) library
• Communication modules for data transfer among various systems
• Small desktop applications
• Monitoring systems

• according to J2EE/JEE specification with standard web interface
• use of Open Source technologies in whole application
• use of technologies according to individual requirements of a customer
• use of a database server
• development based on the client’s UML analysis