Diego Lemos de Almeida Melo, Developer in Aracaju - State of Sergipe, Brazil
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Diego Lemos de Almeida Melo

Verified Expert  in Engineering

Software Developer

Aracaju - State of Sergipe, Brazil

Toptal member since February 18, 2020

Bio

Diego holds a bachelor's and a master's degree in computer science with a focus on computer graphics and augmented reality. He's an experienced full-stack software development engineer with nearly a decade of experience. He specializes in software engineering, software architecture, Java, Spring framework, JavaScript, Rest APIs, and more.

Portfolio

Petrobras
SAP MII, Git, Oracle, Bootstrap, Angular, Java

Experience

  • SQL - 8 years
  • Oracle - 8 years
  • PostgreSQL - 8 years
  • Java - 8 years
  • Bootstrap - 4 years
  • JavaScript - 4 years
  • Angular - 3 years
  • Git - 3 years

Availability

Part-time

Preferred Environment

Oracle, Visual Studio, MacOS, Windows, Git, IntelliJ IDEA

The most amazing...

...thing I have developed is logistics system for an oil company.

Work Experience

Full-stack Software Engineer

2012 - PRESENT
Petrobras
  • Developed software to improve the logistic from the company, helping the company to save money and time.
  • Developed software to support manages to improve energy efficiency from refineries.
  • Developed software that manages water resources from the company.
  • Developed software that manages dangerous wastes from the company.
  • Developed software that manages and measures contracts from the company.
Technologies: SAP MII, Git, Oracle, Bootstrap, Angular, Java

Experience

Integrated Management of Energy Efficiency

Web Application to integrate energy efficiency data from different data sources in a centralized database. Allows analysis of energy efficiency in oil refineries and platforms providing an easy way to identify the root cause of efficiency problems. The application uses many kinds of data source such as PI (plant information), SAP ERP, and OLTP Systems.

I was a full-stack developer and the team leader.

Result: The application allows users to identify energy efficiency problems in real time (it consumes manufacturing data), saving lots of money. It also provides information to managers, allowing control of energy efficiency indicators from the company.

Education

2010 - 2012

Master's Degree in Computer Science

Federal University of Pernambuco - Pernambuco, Brazil

2005 - 2009

Bachelor's Degree in Computer Science

Ferderal University of Pernambuco - Pernambuco, Brazil

Skills

Tools

SAP MII, Git, IntelliJ IDEA, Visual Studio

Languages

Java, SQL, JavaScript, CSS, C++, C

Paradigms

REST, Agile Software Development

Platforms

Oracle, Windows, MacOS

Storage

PostgreSQL, PL/SQL

Frameworks

Angular, Bootstrap, React Native

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