Marco Aurélio Oliveira

An experienced Software Developer focused on productivity solutions

Produtos

Ganimedes	Sistema de GESTÃO DE RESTAURANTES que organiza cardápios e mapeia visualmente a disposição dos alimentos em bancadas.
Hebe	Aplicativo de PESAGEM AUTOMÁTICA para auto-atendimento em restaurantes, com banco de dados, histórico e relatórios.

About

About me

Full-stack Developer

Extensive experience in the design, development, and implementation of systems, primarily working in Research and Development of new technologies (R&D).

Nationality: Brazilian
City: Belo Horizonte - MG, Brazil

Degree: Bachelor
E-mail: marco.mg.br@gmail.com

A professional dedicated to self-learning and performing process optimization.

A proactive team player, adapting to various environments and circumstances.

An advocate of writing clean code, with experience in code auditing using the Sonar tool.

Naturally inclined to teach and assist team members, aiming to contribute to growth and goal achievement.

A creative professional, while maintaining a critical mindset.

Possesses solid knowledge of hardware, IT infrastructure, and security, along with the ability to optimize intensive processing applications.

Excellent writing skills in Portuguese and good writing skills in English.

Skills

C# 80%

Java 80%

C++ 60%

ANSI C 70%

Spring Boot 30%

React/NextJS 30%

HTML 80%

CSS 40%

JavaScript 80%

SQL 70%

Resume

My Resume

Education

Bachelor of Business Administration

1996

UFMG - Federal University of Minas Gerais

Belo Horizonte - MG, Brazil

Professional Experience

Programmer Analyst

2022 - 2025

PAC Serviços em Sistemas, Nova Lima - MG

Development of a system for production management in restaurants, with a "drag and drop" interface for the user to design the layout of their product display stands.
(C#, Firebird, SQLite, HTML)
Development of an application for device communication via RS232 serial port.
(C#, Firebird, HTML, Javascript)
Payroll system maintenance.
(C#, Firebird)
Maintenance of various applications.
(C#, Java, Javascript, HTML, MariaDB, PostgreSQL, Firebird)

Programmer Analyst

2019 - 2021

ACIN - Inteligência de Negócios, Belo Horizonte - MG

Development of a vehicle assistance system
(.NET Core microservices, DDD, Docker, MongoDB, RabbitMQ, Vue.js, and Quasar)
Deployment of a distance learning environment
(AWS, Ubuntu Server 18.04, PHP, MariaDB, and Apache2)
Development of a facial biometric login application for a distance learning platform
(Java, C++, JavaScript, HTML5, CSS)

.NET Developer

2019

Athos Soluções e Gestão em TI, Belo Horizonte - MG

Maintenance of ERP software for vehicle tracking management
(C#, .NET Framework, ASP, MVC, SQL Server)
Integrations with third-party platforms
(SOAP, REST)
Development of a message broker to integrate legacy web applications
(C#)

Software Developer

2018 - 2019

Cassotis Consulting, Nova Lima - MG

Maintenance of AMPL mathematical modeling interpreter and collaborative tools
(Java, Eclipse RAP, JavaScript graphic libraries)
Development of SOAP services
(Java)
Development of a Maven extension for storage in AWS S3
(Java, AWS S3)
Implementation of a desktop version of the company's web software, using the client-server codebase without any changes
(Java, Embedded Tomcat)
Implementation of a software quality control tool
(Sonar)

Programmer Analyst

2016 - 2018

PAC Serviços em Sistemas, Nova Lima - MG

Development of electronic payment applications
(C++, Java, JavaScript, AngularJS, Bootstrap, Boost (C++), JSF (Primefaces), MySQL, Oracle, and SQLite)
Development of APIs and educational materials for smart card application integrator programmers
(C++)

Software Development Specialist

2015 - 2016

FITec Inovações Tecnológicas, Belo Horizonte - MG

Development of software for controlling Smart Card reader
(ANSI C, C++, Boost, LibWebsockets)
Redesign of the smart card signature process, drastically reducing signing time
(C++, Oracle)

Programmer Analyst

2013 - 2015

PAC Serviços em Sistemas, Nova Lima - MG

Development of access control and fraud prevention software, using smart cards and computer vision
(C++)
Development of a prepaid private label system based on smart cards
(C++)

Research and Development Analyst

2005 - 2013

Empresa 1 - Sistemas de Automação e Comércio, Belo Horizonte - MG

Researching new technologies with the aim of adding functionalities to the company's software, creating prototypes to validate the usefulness of these new features
Development of an online ticket sales service for public transportation, based on the ISO-8583 standard, multi-platform, multithreading, using IPC (Inter Process Communication) and interaction with a JavaCard application
(C++, Oracle)
Development of fraud prevention application using facial biometrics
(C++, Oracle)
Development of a natural speech simulation module for converting text messages into audio for communication with bus drivers
(C++)
Support to the production team by maintaining software on web and desktop platforms during critical moments
(C++, Java, Oracle)
Implementation of a software quality control tool
(Sonar)

Programmer Analyst

2003 - 2004

Empresa 1 - Sistemas de Automação e Comércio, Belo Horizonte - MG

Maintenance of electronic bus fare collection system
(C++, Java, Oracle)

Technical Writer

2002 - 2003

Empresa 1 - Sistemas de Automação e Comércio, Belo Horizonte - MG

Writing user manuals for software, hardware, and operational processes
Development of applications for automating the editing and distribution of digital documents
(C++, Visual Basic for Applications)