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    Walter Ritzel Paixao Cortes

    Walter Ritzel Paixao Cortes

    Data Analysis and Integration Expert

    Porto Alegre, Brazil

    English speaking

    Software Engineer with 24+ years of experience, an expert in Data Analysis disciplines: Input, Retrieval (WEB, ETL, Scraping), Transformation, Integration (API), and Visualization...Read moreSoftware Engineer with 24+ years of experience, an expert in Data Analysis disciplines: Input, Retrieval (WEB, ETL, Scraping), Transformation, Integration (API), and Visualization (Tableau, Excel, Power BI, OBIEE, SAP-BO, Crystal Reports).
    Other relevant experiences include:
    - Expertise in Business Intelligence focused on Data Modeling and Data Integration(ETL);
    - Expertise in Python;
    - Expertise in SQL and NoSQL databases;
    - Expertise in Cloud development;
    - Expertise in Software Architecture, building distributed and scalable systems, in a very diverse software ecosystem.

      4.9
      (36)
      $25
      /hr
    Contact

    Skills

    database designoracle databasestructured query language (sql)Microsoft SQLServermysqlpostgresqlsurvey designbusiness intelligence (BI)data analysisgoogle application programming interface (google api) +5
    mongo dbpower business intellegence (power BI)Python programming languagerest apitableau software
    Industry expertise: Education, Financial Services, IT, Internet and Public Utilities

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    Mar 01 2023
    Response time
    within two days

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    Freelancer Buyer
    Projects worked on
    54
    Buyers worked with
    35
    Last active
    Mar 01 2023
    Response time
    within two days

    Skills

    database designoracle databasestructured query language (sql)Microsoft SQLServermysqlpostgresqlsurvey designbusiness intelligence (BI)data analysisgoogle application programming interface (google api) +5
    mongo dbpower business intellegence (power BI)Python programming languagerest apitableau software
    Industry expertise: Education, Financial Services, IT, Internet and Public Utilities

    Insights

    Freelancer Buyer
    Projects listed
    0
    Freelancers worked with
    0
    Last active
    Mar 01 2023
    Response time
    within two days

    Insights

    Freelancer Buyer
    Projects worked on
    54
    Buyers worked with
    35
    Last active
    Mar 01 2023
    Response time
    within two days
    Skills Insights

    Insights

    Freelancer Buyer
    Projects listed
    0
    Freelancers worked with
    0
    Last active
    Mar 01 2023
    Response time
    within two days

    Insights

    Freelancer Buyer
    Projects worked on
    54
    Buyers worked with
    35
    Last active
    Mar 01 2023
    Response time
    within two days
    Skills Insights
    database designoracle databasestructured query language (sql)Microsoft SQLServermysqlpostgresqlsurvey designbusiness intelligence (BI)data analysisgoogle application programming interface (google api) +5
    mongo dbpower business intellegence (power BI)Python programming languagerest apitableau software
    Industry expertise: Education, Financial Services, IT, Internet and Public Utilities
    • Portfolio (18)
    View All (18)
    • Reviews
    • Purchases
    • Endorsements
    Hide feedback
    Visualisation of data / Interactive infographics
    • Janiceby Janice G.
    • Posted: 20 Feb 2022
    • 8
    • 07 Mar 2022 Janice G.
      Janice G.
      Aberdeen, GB

      Very helpful

    Integração produtos loja online
    • Antonioby Antonio F.
    • Posted: 31 Aug 2020
    • 0
    • 22 Oct 2020 Antonio F.
      Antonio F.
      Faro, PT

      Excelente trabalho e boa comunicação.
      recomendo !

      Walter R.
      Walter R.

      Obrigado!

    Extract a set of BCP files into CSV
    • Elliotby Elliot B.
    • Posted: 18 Oct 2020
    • 0
    • 25 Jan 2021 Elliot B.
      Elliot B.
      Hackney, GB

      Good to work with Walter again on this - fast and efficient

    • 18 Oct 2020 Elliot B.
      Elliot B.
      Hackney, GB

      Quick, responsive and had thoughtful inquiries about the task. Recommemd

    Improved screenshot performance of Bot solution
    • Steveby Steve C.
    • Posted: 2 Sep 2020
    • 0
    • 22 Sep 2020 Steve C.
      Steve C.
      Kuala Lumpur, MY

      excellent & fast delivery . A very good problem solving programmer

    API Integration
    • Hishamby Hisham F.
    • Posted: 26 Aug 2020
    • 2
    • 16 Sep 2020 Hisham F.
      Hisham F.
      Braintree, GB

      Excellent job. On time delivery with quality work.

    Live feeds from ig.com on excel or numbers with certain conditio
    • Vinayby Vinay L.
    • Posted: 13 May 2020
    • 1
    • 05 Aug 2020 Vinay L.
      Vinay L.
      Mumbai, IN

      Excellent person to deal with

    Need to create a gauge using Tableau
    • Mauricioby Mauricio R.
    • Posted: 20 Jun 2020
    • 1
    • 21 Jun 2020 Mauricio R.
      Mauricio R.
      Las Animas, CL

      Awesome work! Recommended!

    Your quote for Building a tableau dashboard
    • Joby Jo L.
    • Posted: 25 Sep 2017
    • 0
    • 09 Jan 2018 Jo L.
      Jo L.
      Reading, GB

      Once again, Walter did a great job creating tableau dashboards for us

    • 30 Nov 2017 Jo L.
      Jo L.
      Reading, GB

      Once again, Walter created a great tableau dashboard for us. Very happy.

      Walter R.
      Walter R.

      Thanks, Jo.

    • Show more feedback (2)
    Build an Analytics Dashboard in Tableau.
    Build an Analytics Dashboard in Tableau.
    $150
    • Posted: 13 Sep 2017
    • 100% Positive
    • Sold: 1
    • 2
    • 19 Sep 2017 Juliana P.
      Juliana P.
      Minneapolis, MN, US

      Walter was extremely timely and professional. His ideas were very creative and he delivered ahead of schedule. We are VERY pleased. Thank you!

    Data scrape
    • Alanby Alan N.
    • Posted: 26 Jun 2017
    • 0
    • 06 Jul 2017 Alan N.
      Alan N.
      Crawley, GB

      Walter has just completed another job for me.
      He is very reliable, helpful and knowledgable.
      His skills as a programmer are first class.

      Walter R.
      Walter R.

      Thanks, Alan! Looking forward for more!

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