Roberta is available for hire

Roberta Coeli Neves Moreira

Verified Expert in Engineering

Software Developer

Location

São Paulo - State of São Paulo, Brazil

Toptal Member Since

December 13, 2021

Roberta is a software and data engineer with academic and industry experience. She holds a master's degree in computer science from UFMG, during which she worked as a data analyst in politics. She has over four years of experience designing data warehouses, data migration, and ETL/ELT processes for gathering and transforming data. Roberta believes that it is essential to carefully analyze all aspects of data and tune processes to improve the performance of data pipelines.

SQL Server Integration Services (SSIS)Data Engineering Data Warehouse Design Python 3 T-SQL (Transact-SQL)ETL Databases Software Engineering Programming Data Migration SQL Server 2016 PostgreSQL Algorithms Data Visualization Natural Language Processing (NLP)

Portfolio

Brazilian Federal Court (TRF3)

T-SQL (Transact-SQL), SQL Server Integration Services (SSIS), Databases...

Minu (Formerly Minutrade)

Node.js, MongoDB, Docker, Jenkins, Redis

Enacom

Ionic, JavaScript, AngularJS, Cordova, HTML, CSS, JSF, Java

Experience

Python 3 - 5 years SQL Server Integration Services (SSIS) - 4 years ETL - 4 years Data Migration - 4 years T-SQL (Transact-SQL) - 4 years Data Warehouse Design - 4 years Databases - 4 years Data Engineering - 4 years

Availability

Part-time

Preferred Environment

SQL Server 2016, Visual Studio Code (VS Code), Python, Visual Studio, SQL Server Integration Services (SSIS)

The most amazing...

...project I’ve worked on was my master’s project in which I studied the Brazilian political polarization using NLP and extracted valuable metrics from the data.

Work Experience

Information Technology Specialist

2017 - PRESENT

Brazilian Federal Court (TRF3)

Designed and maintained a data warehouse in SQL Server to compute the organization's statistics.
Created and maintained ETL processes to extract data from legacy databases to the data warehouse.
Developed and optimized Transact-SQL queries to transform and correct errors on the data warehouse. This helped improve all ETL and data migration processes in the project.
Created SQL jobs to automate the ETL processes using SSIS and SQL Server.
Worked on the development and maintenance of applications and web APIs using the .NET framework.

Technologies: T-SQL (Transact-SQL), SQL Server Integration Services (SSIS), Databases, SQL Server 2016, Data Warehouse Design, Data Warehousing, ETL, ETL Tools, Data Migration, .NET, .NET Core

Back-end Developer

2015 - 2016

Minu (Formerly Minutrade)

Worked on the development of a microservices architecture using Node.js and MongoDB.
Developed unit and integration tests to automate testing routines for the microservices architecture.
Participated in an Agile team using a test-driven development (TDD) approach.

Technologies: Node.js, MongoDB, Docker, Jenkins, Redis

Software Developer | Intern

2014 - 2015

Enacom

Developed an application called Enapark for paying parking tickets using the Ionic framework.
Built an application called Poupapark for stores to give discounts on the payment of parking tickets using the Ionic framework.
Developed user interface tests using Protractor to automate the apps' testing routines.

Technologies: Ionic, JavaScript, AngularJS, Cordova, HTML, CSS, JSF, Java

Experience

Justice in Numbers

This project aims to overview the Brazilian justice system by considering Brazilian courts' budgetary, administrative, and litigation issues. As a data engineer in this project, I participated in the data warehouse design to gather information about the court's most relevant platforms and designed ETL processes to extract data from legacy databases.

Skills

Storage

SQL Server Integration Services (SSIS), Databases, PostgreSQL, SQL Server 2016, MongoDB, Redis

Languages

T-SQL (Transact-SQL), Python 3, Python, JavaScript, HTML, CSS, Java, C#

Paradigms

ETL, Server-side Programming

Other

Data Engineering, Data Warehouse Design, ETL Tools, Data Migration, Software Engineering, Operating Systems, Computer Networking, Programming, Algorithms, Data Research, Data Visualization, Natural Language Processing (NLP), Data Warehousing, Probability Theory, Artificial Intelligence (AI), Cordova, GPT, Generative Pre-trained Transformers (GPT)

Frameworks

.NET, .NET Core, Ionic, AngularJS, JSF

Libraries/APIs

Node.js

Tools

Visual Studio, Jenkins

Platforms

Visual Studio Code (VS Code), Docker

Education

2016 - 2019

Master's Degree in Computer Science

Federal University of Minas Gerais - Belo Horizonte, MG, Brazil

2010 - 2015

Bachelor's Degree in Computer Engineering

Federal Center for Technological Education - Belo Horizonte, MG, Brazil

2012 - 2013

Student Exchange Program in Computer Science and Engineering

University of California, San Diego (UCSD) - San Diego, CA, USA

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