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Daniel N.DN

Daniel N.

Data Analyst | APEX Developer | PL/SQL Developer

€400/day
Barcelona, ES
3-7 years

Average response time: 1 hour

About Daniel

Programmer with 4 years of experience specializing in Oracle technologies, including advanced SQL for creating complex queries and PL/SQL for developing ETL processes using packages, procedures, functions, triggers, and other database solutions. I have extensive hands-on experience with Oracle Reports and Oracle APEX, focusing on creating and optimizing applications to address business needs efficiently.

Additionally, I’m proficient in Python for Data Science and Machine Learning tasks, and have experience working with data visualization tools such as Power BI and Tableau. My skills in data analysis focus on delivering actionable insights to drive business decisions, leveraging strong problem-solving capabilities to provide robust and efficient solutions.
  • Spanish

    Native or bilingual

  • French

    Fluent

  • English

    Fluent

  • Catalan

    Native or bilingual

Can work on-site
Barcelona (up to 50km)

Experience

  • Seidor Opentrends
    Senior Developer
    EDUCATION AND E-LEARNING
    July 2024 - Today (1 year and 11 months)
    Barcelona, Spain
    Client: Department of Education of Catalonia.
    - Development and maintenance of APEX applications (from version 5.X to 22.2).
    - Development of web applications using PL/SQL.
    - Development of ETL processes using PL/SQL.
    - Use of Jenkins for Continuous Integration and Delivery (CI/CD) automation.
    - Report generation using BI Publisher.
    - Migration of Oracle databases and ORACLE APEX.
    PL/SQL Python CSS HTML5 JavaScript Java 8 Apex Unix/Linux
  • Nextret
    Programmer Analyst
    CONSULTING AND AUDITS
    June 2023 - June 2024 (1 year and 1 month)
    Barcelona, Spain
    Client: Department of Education of Catalonia.
    - Development and maintenance of APEX applications (from version 5.X to 22.2).
    - Development of web applications using PL/SQL.
    - Development of ETL processes using PL/SQL.
    - Use of Jenkins for Continuous Integration and Delivery (CI/CD) automation.
    - Report generation using BI Publisher.
    - Migration of Oracle databases and ORACLE APEX.
    PL/SQL JavaScript CSS HTML Python Unix/Linux Apex
  • INDRA SISTEMAS, S.A
    Data Analyst
    DIGITAL AND IT
    June 2021 - June 2023 (2 years and 1 month)
    Barcelona, Spain
    Client: Department of Research and Universities of Catalonia.
    - Creation of automated programs to collect data from various sources (CSV, JSON, and databases).
    - Development, maintenance, and optimization of ETLs to transform this data according to client requirements using PL/SQL.
    - Creation of reports using Power BI and Microstrategy.
    - Team management and supervision.
    PL/SQL Python UNIX Power BI SQL Oracle Databricks Pyspark MongoDB APEX ORACLE

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