CLEIDSON PEREIRA MACHADO

My Activities: Development of new screens and modules in Dart, Flutter for queries in Rest APIs, in Java, using Oracle Database. My responsibilities include creating user interfaces, troubleshooting system issues, documentation and functional testing, and analyzing system interdependencies for overall optimization. Positive Results: I improved legacy code in Flutter/Dart and collaborated with other developers to update related Mobile Layouts; Thus improving usability and integrating more modern technologies into the project. I provided coding for related unit tests to help in the maintenance of new modules. Technologies Used: Dart Code, Flutter Framework, Oracle DataBase, NestJS Rest Api, Java Rest Api, SVN Version Manager.

My Activities: Maintenance of legacy Web software systems. Creation of user interfaces and translation of the company's business needs into the programming environment, as well as corrections of various errors in legacy systems. I also work on the implementation and documentation of already assembled REST APIs, as well as advanced analysis/studies of related systems. Positive Results: I led the improvement activities and/or creation of improved documentation for related systems for the development team. I interacted with other developers to change the Web Layout of old systems, thus improving the technologies already in use in them. I was responsible for organizing support material for understanding and maintaining complex systems in the Microsoft Azure cloud environment. Technologies Used: JavaScript, NodeJS, ReactJS, NextJS, NestJS, Postgress DB, MySql DB, Azure DevOps.

My activities: Advanced support for the company's activities regarding legacy systems. Maintenance and documentation of API's and newly consolidated WEB / Mobile systems and/or legacy in PHP, VueJs, NodeJS, React Native; Advanced use of MySql, SQLite and Oracle Database. Advanced use of Docker environments in projects. I also participated, from the beginning, in the development of new products using Nodejs with Nestjs for APIs and Vuejs or Nuxtjs to the Front End. My Positive Results: I have greatly improved the documentation of old APIs. I have led teams of developers in solving problems in newly released and/or legacy WEB/Mobile systems, created on the NodeJS platform with the frameworks: VueJS, NuxtJS, React Native and PHP; I have also developed advanced queries in SQL or improved use of Oracle Database; In addition to creating and maintaining Docker environments. I have also participated, from the beginning, in the development of new products using the NodeJS platform with NestJS for APIs and VueJS or NuxtJS for Front End. Technologies Used: JavaScript, NodeJS, React JS, NuxtJS, VueJS, PHP, Cake PHP, DevOps, Azure Environment, MySql DB, Oracle DB.

My Activities: Support for users of the Albatroz ERP system (a system for managing local grocery stores). Also involved in the maintenance and updating of the Firebird 2.5 database, which was used at the time by the Albatroz ERP system. In addition to related maintenance on Windows and Linux Server computers used to host the Albatroz ERP system; Working on the company's experimental projects as a Junior developer for pure PHP and Java Web programs. My Positive Results: I worked on the creation of an experimental Web Platform, created in pure PHP, using a Firebird 2.5 database, to improve the service and monitoring of service queues related to support activities, offered by the support analyst team, to the company's customers. Technologies Used: PHP Pure, PHP with Symfony Framework, DevOps, MySql DB, Firebird DB, Delphi - Object Pascal, CSS, HTML5, JavaScript and Java EE with Hibernate and Maven.