Gustavo Henrique Rubin Ferreira

Electrical engineer by training (Centro Universitário Salesiano São Paulo - Unisal), over 20 years of experience in information technology and telecommunications, information security specialist (Faculdade de Tecnologia - IBTA), Java Spring backend developer, systems architect and enthusiast of open-source and Linux projects.Experience in the development and support process of mission-critical telecommunications systems, including specification, design, quality testing and support for large clients and foreign trade management systems, with integration with government services such as the SISCOMEX portal of the federal revenue service.Knowledge of data and voice network structures, mainly in PSTN/VoIP convergent solutions, backend development with Java Spring, JPA, SQL, NodeJS, NestJS, Docker, OpenShit and Kubernetes technologies, development of REST APIs and WebServices (SOAP), development of IoT systems using the MQTT protocol, development of firmware for ESP8266 and Atmel microcontrollers, development of unit, integration and functional tests with tools such as JUnit, Mocha and Chai. Requirements analysis, construction of applications using Domain Driven Design and Hexagonal Architecture.Has worked as a technical project leader, being responsible for knowledge and task management of the team of developers and testers.General knowledge of Web frontend technologies (Javascript, HTML, JSON, Angular, etc.) but is not focused on working in this context. (Source: Lattes Curriculum)