GVT is one of the companies that revolutionized telecommunications in Brazil, and Visionnaire worked together to develop several systems.

GVT (currently Vivo).
GVT (currently Vivo) had a high demand for development of projects in the telecommunications area, requiring specialized personnel in the technologies used by GVT (currently Vivo).
Visionnaire, through its several years of relationship with GVT (now Vivo), has assisted in the development of various systems, and in the attendance of personnel specialized in GVT technologies (currently Vivo).
With the development of several systems, for many years, Visionnaire has helped GVT (currently Vivo) to achieve its leading position in the national market, with a presence in 20 states, high quality levels and a high rate of acceptance by its customers . Today part of the Vivendi group and the Telefónica Spain Group, GVT (currently Vivo), with 17,000 employees in Brazil, is the country's fourth-largest telecommunications operator with 11.8% market share.
In several years of relationship, several systems were developed with numerous technologies: Projects: SLA (Service Level Agreement), OSS (Operational Support System), Pay TV, Websem, NecService Migration for Weblogic, GPS, Siebel, Activia, , New Cities Registry, Sysrec / Cyber ​​Collection Project, Kenan - Lavoisier Product Setup, TV Mediation, HP Anti - Fraud System. 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, Workshop, SQL Developer, 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 Devlopment (TDD), Domain Driven Design (DDD), Data Modeling, Design Software, Unified Process (UP), Requirements Analysis and Management with Unified Process, Use-Cases, Scrum , Analysis and management of requirements with Scrum (User Stories), PMI, BPM and UML, participation in projects with Rational Unified Process (RUP) methodology and Application of Function Point metrics for the development of APF Function), according to IFPUG (International Function Point Users Group), performed by Certified Function Point Specialist (CPFS) by the IFPUG for designing project phases within the Software Factory model. Project carried out in all stages of the software development cycle using agile Scrum methodology and 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 were carried out in several years.
Detailed problem: GVT (currently Vivo) needed to develop numerous systems platforms quickly and without losing quality, in order to maintain a competitive market with large companies present in the market and telecommunications in Brazil. For this relied on software development companies partnerships, such as Visionnaire, to bring their developing knowledge and provide highly-skilled technicians. In this way GVT (currently Vivo) was able to create the systems that were the technological base for the company's growth in Brazil.
Detailed solution: Visionnaire worked together on several GVT projects (currently Vivo) so that the company could remain as one of the main telecommunications operators in Brazil. Through Visionnaire's many years of experience in developing complex, enterprise-based, Java-based and Application Servers (especially Oracle / BEA Weblogic in GVT's case), it has always been possible to create teams that fit the needs of GVT (currently Vivo), thus allowing GVT (currently Vivo) to remain one of the best telecommunications companies in Brazil.