Nelson Edelflides Carneiro, Software Developer in Ponta Grossa - Paraná, Brazil
Nelson Edelflides Carneiro

Software Developer in Ponta Grossa - Paraná, Brazil

Member since January 1, 2019
As an accomplished computer engineer with 10 years of experience, Nelson has worked in multinational (ExxonMobil) and governmental enterprises (Dataprev, a major federal IT company in Brazil). He has also created all of the tools used in the regional ISP he founded, managing everything from customers to routers.
Nelson is now available for hire

Portfolio

  • StatusNET
    Node.js, JavaScript, TypeScript, MongoDB, REST, Bash, Mikrotik
  • Dataprev
    Java, EBJ, JSF, Oracle DB, LDAP, Node.js, Meteor, JavaScript
  • Status Sistemas
    PHP, Doctrine, MySQL, AngularJS, CSS, Bootstrap

Experience

Location

Ponta Grossa - Paraná, Brazil

Availability

Part-time

Preferred Environment

Linux, Windows, Git, VS Code

The most amazing...

...project I've worked on was the authorization/authentication platform for all systems used in Brazilian Social Security Services, used by thousands of users.

Employment

  • Co-founder

    2015 - 2019
    StatusNET
    • Co-founded StatusNET, which is a regional ISP with hundreds of customers.
    • Designed the network's logical and physical topology.
    • Created the routers' scripts to do bandwidth and access control.
    • Created the back-end system to manage and monitor the equipment and the customers.
    • Integrated the billing system with the routers, reducing to Zero the number of unauthorized users using the service.
    Technologies: Node.js, JavaScript, TypeScript, MongoDB, REST, Bash, Mikrotik
  • Systems Analyst

    2013 - 2015
    Dataprev
    • Developed a Kanban tool, on spare time, that became the preferred tool for the whole department.
    • Created a framework to make E2E tests in the authentication/authorization platform (LDAP, AD, and SQL).
    • Supported SIBE, a system that processes the biggest payroll in Latin America, using Java, JSF, EJB, and JavaScript.
    Technologies: Java, EBJ, JSF, Oracle DB, LDAP, Node.js, Meteor, JavaScript
  • Co-founder

    2011 - 2013
    Status Sistemas
    • Developed a virtual learning environment (VLE) used by thousands of students in undergraduate courses.
    • Developed custom procurement solution for a private college, moving the workflow from paper to the web.
    • Implemented and deployed load balanced internet access for thousands of students of a private college, using MikroTik.
    Technologies: PHP, Doctrine, MySQL, AngularJS, CSS, Bootstrap
  • Systems Analyst

    2009 - 2011
    ExxonMobil
    • Structured a database reducing the time spent in safety reports' generation by 95%.
    • Changed the team's development workflow to integrate asynchronous requests (AJAX) into the architecture.
    • Implemented a real-time automatic error tracking in production applications.
    • Mentored other employees regarding the use of JavaScript in the front-end.
    Technologies: .Net, C#, VB.net, MS SQL, Oracle DB, KnockoutJS, jQuery, JavaScript

Experience

  • Custom Radius Server (Development)

    Created a custom RADIUS (remote authentication dial-in user service) for StatusNET ISP, using Node.js and MongoDB, providing centralized authentication, authorization, and accounting management of its customers.

  • Lectured in Certificate Program (Other amazing things)

    Lectured on mobile hybrid application development, with a focus on the Ionic framework.

  • Home Automation (Other amazing things)

    Developed home automation system integrated with Amazon Echo and Google Home, using Node.js and MongoDB on the MQTT server and the ESP8266 microcontroller in the peripheral, with custom firmware written in C.

Skills

  • Languages

    JavaScript, TypeScript, CSS, SQL, PHP, Java, C#, C, Less
  • Frameworks

    Angular, Nest, Express.js, AngularJS, Bootstrap, Laravel, JSON Web Tokens (JWT), Jasmine, Ionic, CodeIgniter
  • Libraries/APIs

    Node.js, jQuery, Passport.js, Vue.js
  • Tools

    Git, VS Code, Nginx, Angular CLI, Gulp.js, NPM, Microsoft Visual Studio, MQTT, Mongoose
  • Paradigms

    REST, Agile, Kanban
  • Platforms

    Linux, Windows, Arduino
  • Storage

    MySQL, SQLite, MongoDB
  • Other

    TypeORM, NodeMCU, ESP8266

Education

  • Master of Business Administration degree in Software Project Management
    2008 - 2010
    Pontifical Catholic University of Paraná - Curitiba, Brazil
  • Bachelor of Science degree in Computer Engineering
    2005 - 2009
    State University of Ponta Grossa - Ponta Grossa, Brazil
  • Bachelor of Science degree in Systems Analysis and Development
    2005 - 2008
    Federal Technologial University of Paraná - Ponta Grossa, Brazil

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