Walter Paixão Cortes, Web Scraping Developer in Porto Alegre - State of Rio Grande do Sul, Brazil
Walter Paixão Cortes

Web Scraping Developer in Porto Alegre - State of Rio Grande do Sul, Brazil

Member since March 3, 2016
Walter is a senior software engineer with 23+ years of experience in software development. He's proactive, focused on results, always has the customer in mind, and is an expert in troubleshooting issues. He's worked on a variety of projects ranging from small to large, local or global—using project management techniques like Scrum.
Walter is now available for hire


  • Dell
    OBIEE, Oracle, Teradata, Python
  • Dell
    .NET, Oracle, SQL Server
  • Accenture
    ASP.NET, C#, Oracle, MS SQL


  • Oracle Database, 11 years
  • Web Scraping, 10 years
  • Python 3, 7 years
  • Certified Scrum Master, 4 years
  • PostgreSQL, 3 years
  • MySQL, 3 years
  • Tableau, 3 years
  • Pivotal Cloud Foundry (PCF), 2 years


Porto Alegre - State of Rio Grande do Sul, Brazil



Preferred Environment

Visual Studio Code, GitHub on Linux or Win10

The most amazing...

...program that I've coded was a service that collects articles related to InhA enzyme and does textual analysis to extract data about macromolecules.


  • Software Development Advisor

    2009 - PRESENT
    • Developed the human resources data lake using the Hadoop technology stack.
    • Supported the human resources data warehouse using the OBIEE technology stack.
    • Supported the Oracle Web Center (OWC) technology stack for a document repository.
    • Provided support for the human resources data warehouse using the Business Objects (SAP-BO) technology stack.
    • Supported the development of portfolio management tools for IT.
    Technologies: OBIEE, Oracle, Teradata, Python
  • Senior Software Development

    2005 - 2008
    • Maintained multiple .NET applications for the Product Group (PG).
    • Supported the development team as an application DBA on Oracle and SQL Server technologies.
    Technologies: .NET, Oracle, SQL Server
  • Senior Software Engineer

    2003 - 2005
    • Developed multiple web applications for the Accenture customers.
    • Acted as an application DBA on Oracle databases for the Accenture customers.
    • Built an ASP.NET framework to speed-up and standardize the development efforts for all development teams at one Accenture customer.
    Technologies: ASP.NET, C#, Oracle, MS SQL
  • Senior Software Engineer

    2001 - 2003
    Bankorp Consultores Associados
    • Developed ASP web applications for the state IRS office.
    • Built ASP.NET web applications for the state government.
    • Created an EAD solution in ASP.NET.
    • Constructed a document store web application in ASP.NET for many customers.
    Technologies: Classic ASP, ASP.NET, Visual Basic, VBScript, MS SQL


  • DB-InhA (Development)

    DB-InhA is a bioinformatics tertiary database which contains all the relevant information to the InhA enzyme. It is divided into two streams: a responsive web application that allows querying of the information and a service that collects information and applies some basic curation techniques.

    Technologies: Bootstrap, Python (Flask), MySQL

  • Tableau Visualizations (Development)

    I have a few Tableau visualizations that I made both for scientific and commercial purposes. Here I'm making available 4 that are not under NDA.

  • Riverlite Dashboard Application (Development)

    I developed a dashboard application, using Bootstrap and Python (Flask), to show incident management metrics—collecting the data via an API from their PRTG server.

  • wCREF Portal (Development)

    wCREF is a responsive web portal to support the use of the CREF method for protein 3D structure prediction.

    Technologies: Bootstrap, Python (Flask), MySQL

  • HR Analytics (Development)

    HR Analytics is a data warehouse which is built on top of OBIEE and comprised of ETL processes developed in Informatica Power Center; it also has a database modeled on top of Oracle 11g and the reports and dashboard were developed in OBIEE.


  • Languages

    Python 3, C#, PHP
  • Libraries/APIs

    Google Sheets API, Zoho API, Flask-RESTful, Beautiful Soup, Paessler PRTG API, eBay API
  • Tools

  • Platforms

    Pivotal Cloud Foundry (PCF), Oracle Database, Oracle
  • Other

    APIs, Certified Scrum Master, Web Scraping, Data Scraping, Screen Scraping, Scrum Master
  • Frameworks

    Flask, ASP.NET MVC 5, Scrapy
  • Paradigms

    Kanban, Scrum
  • Storage

    Microsoft SQL Server, Cassandra, MySQL, PostgreSQL


  • Doctorate in Computer Science
    2015 - 2020
    Pontifical Catholic University of Rio Grande do Sul - Porto Alegre, Brazil
  • Master's degree in Computer Science
    2013 - 2015
    Pontifical Catholic University of Rio Grande do Sul - Porto Alegre, Brazil
  • Certified ScrumMaster (CSM)
    Scrum Alliance

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