Visionnaire worked together with GVT (currently Vivo) to develop several systems

GVT (currently Vivo)
GVT had a high demand for project development in the telecommunications area, with the need for specialized personnel in the technologies used by the company.
Visionnaire, through several years of relationship with GVT, helped in the development of various systems and in the service of personnel specialized in GVT technologies.
With the development of the various systems for many years, Visionnaire helped GVT to reach a prominent position in the national market, with a presence in 20 states, high levels of quality and high acceptance rates by its customers. In 2016, GVT was integrated with Vivo.
In many years of relationship, several systems with numerous technologies have been developed.
Projects: SLA (Service Level Agreement), OSS (Operational Support System), Pay TV, Websem, NecService Migration to Weblogic, GPS, Siebel, Activia, Register of New Providers, Register of New Cities, Sysrec/Cyber ​​Collection Project, Configuration of Products in Kenan – Lavoisier, TV Mediation, HP Anti-Fraud System.
Technologies: Java, JEE, Web Services, JAX-WS, JAX-RPC, SAAJ, Enterprise Application, Enterprise JavaBeans (EJB), Java Transaction API (JTA), Java Message Service (JMS), Java Object Relational Mapping with Hibernate, Oracle AQ, Oracle/BEA WebLogic Application Server, Ruby, Cucumber, Oracle Database, XML, XML Schema, Apache XMLBeans, Source Code Control (SCC)/Subversion, JSF, Flex, Spring, SOA, SQL, PL-SQL, Siebel, Struts, JSP, Oracle/BEA WebLogic Environment, Workshop, SQL Development, JavaScript, JSTL and JQuery.
Tools: Eclipse with Oracle/BEA WebLogic Workshop, Eclipse Helios with Aptana RadRails (Ruby), SOAP UI and Enterprise Architect.
Techniques, methodologies, frameworks and processes: Test Driven Development (TDD), Domain Driven Design (DDD), data modeling, software design, Unified Process (UP), analysis and requirements management with Unified Process, Use-Cases, Scrum, requirements analysis and management with Scrum (User Stories), PMI, BPM and UML, participation in projects with RUP (Rational Unified Process) methodology and application of Function Point metrics for development of information systems, FPA (Function Point Analysis) according to the IFPUG (International Function Point Users Group), carried out by a Certified Function Point Specialist (CFPS) by IFPUG for dimensioning the project phases within the Software Factory model.
Project carried out at all stages of the software development cycle using the Scrum agile methodology and the use of BPMN in the business modeling phases. In total, more than 3,200 Function Points, equivalent to more than 25,000 hours of work performed in several years.

Visionnaire - GVT - Development Outsourcing
Problema detallado:
In order to remain in a competitive market and with the presence of large companies, which is the telecommunications market in Brazil, GVT needed to develop numerous system platforms quickly and without losing quality.
For this, it relied on software development companies, such as Visionnaire, to bring its knowledge in development and provide highly technically qualified professionals. In this way, GVT was able to create the systems that were the technological basis for the company's growth in Brazil, before being integrated into Vivo in 2016.
Solución detallada:
Visionnaire worked together on several GVT projects so that the company could remain one of the main telecommunications operators in Brazil. With Visionnaire's knowledge of several years in the development of complex systems for corporate environments based on Java and application servers (especially Oracle/BEA Weblogic, in the case of GVT), it was always possible to create and maintain teams that perfectly fit the needs GVT, thus allowing it to remain one of the best telecommunications companies in Brazil.