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

Verified Expert  in Engineering

Software Developer

Location
Ponta Grossa - Paraná, Brazil
Toptal Member Since
March 15, 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.

WindowsSQLCSSjQueryGitLinuxMySQLExpress.jsNode.jsTypeScriptPassport.jsVisual Studio Code (VS Code)NestJSPHPSQLiteJasmine

Portfolio

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

Experience

JavaScript - 13 yearsMySQL - 10 yearsREST - 8 yearsNode.js - 6 yearsExpress.js - 6 yearsAngular - 5 yearsTypeScript - 5 yearsNestJS - 1 year

Availability

Part-time

Preferred Environment

Visual Studio Code (VS Code), Git, Windows, Linux

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.

Work Experience

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: MikroTik, Bash, REST, MongoDB, TypeScript, JavaScript, Node.js

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: JavaScript, Meteor, Node.js, LDAP, Oracle Database, JSF, Java

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: Bootstrap, CSS, AngularJS, MySQL, Doctrine, PHP

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: JavaScript, jQuery, Knockout (Knockout.js), Oracle Database, Microsoft SQL Server, VB.NET, C#, .NET

Custom Radius Server

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

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

Home Automation

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.

Languages

JavaScript, TypeScript, CSS, SQL, PHP, VB.NET, Bash, Java, C#, C, Less

Frameworks

Angular, NestJS, Express.js, AngularJS, Bootstrap, Laravel, JSON Web Tokens (JWT), Jasmine, Ionic, .NET, Knockout (Knockout.js), JSF, CodeIgniter

Libraries/APIs

Node.js, jQuery, Passport.js, Doctrine, Vue

Tools

Git, NGINX, Angular CLI, Gulp, NPM, Microsoft Visual Studio, MQTT, Mongoose

Paradigms

REST, Agile, Kanban

Platforms

Linux, Windows, Visual Studio Code (VS Code), Oracle Database, Meteor, Arduino

Storage

MySQL, SQLite, MongoDB, Microsoft SQL Server

Other

TypeORM, NodeMCU, MikroTik, LDAP, ESP8266

2008 - 2010

Master of Business Administration Degree in Software Project Management

Pontifical Catholic University of Paraná - Curitiba, Brazil

2005 - 2009

Bachelor of Science Degree in Computer Engineering

State University of Ponta Grossa - Ponta Grossa, Brazil

2005 - 2008

Bachelor of Science Degree in Systems Analysis and Development

Federal Technologial University of Paraná - Ponta Grossa, Brazil

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