Experience

• - Develop and maintain platforms written in Laravel/PHP and NodeJS. - Build educational games for students, tools for teachers and fun interfaces for everyone. - Improve software architecture using OOP standards and SOLID principles. - Ensure high-availability and scalability for applications used by millions of students across the US. - Employed caching strategies using CloudFlare, Redis as well as code and data store optimizations. - Improved CI/CD process using Docker, Amazon ECS, and automated tests. - Implemented the BDD workflow, using Behat/Mink/Selenium as the testing tool. Show less







• IT manager, mainly focused on software development and architecture. Responsible for the internal software development team, acting as Scrum master and product owner, development consultant and software architect. Gerente de TI, principalmente focado em desenvolvimento e arquitetura de software. Responsável pela equipe interna de desenvolvimento, atuando como Scrum Master e Product Owner, além de consultor de desenvolvimento e arquiteto de software.



• DBA - Database Administrator SAP/Sybase ASE. Worked as DBA on the first SAP ERP on SAP ASE in Brasil (Ouro Fino Saúde Animal - http://www.ourofinosaudeanimal.com/). Consultoria em administração de banco de dados SAP Sybase ASE. Participação como DBA consultor na implantação do primeiro ERP SAP sobre Sybase ASE do Brasil.



• Projeto de diversos sistemas para telefonia VoIP, principalmente para callcenters. Definição de arquitetura. Desenvolvimento de novos produtos. Administração de banco de dados. Análise de sistemas. Implantação. Contato com o cliente. Consultoria em Linux, PostgreSQL e FreeSwitch.



• Led the internal ERP system development. Jeferson was responsible by the system architecture definition and led the development team.



• Web system development for e-commerce.