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Daniel N.

Data Analyst | APEX Developer | PL/SQL Developer
  • Tarifa aproximada
    400 € /día
  • Experiencia3-7 años
  • Tasa de respuesta100%
  • Tiempo de respuesta1h
El proyecto se dará por comenzado una vez hayas aceptado el presupuesto de Daniel.
Localización y desplazamiento
Localización
Barcelona, España
Puede trabajar en tus oficinas en
  • Barcelona y alrededores (hasta 50 kms)
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Habilidades profesionales (17)
Sector de especialización
Daniel en pocas palabras
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.
Experiencia
  • Seidor Opentrends
    Senior Developer
    EDUCACIÓN & E-LEARNING
    julio de 2024 - Hoy (7 meses)
    Barcelona, España
    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
    CONSEJO & AUDITORÍA
    junio de 2023 - junio de 2024 (1 año y 1 mes)
    Barcelona, CT, 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
    AGENCIAS DE SUBCONTRATACIÓN
    junio de 2021 - junio de 2023 (2 años y 1 mes)
    Barcelona, CT, 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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