Gasper Zerak

Senior Data Engineer at Self-Employed
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Contact Information
us****@****om
(386) 825-5501
Location
Vienna, Vienna, Austria, AT
Languages
  • English Full professional proficiency
  • German Professional working proficiency
  • Croatian Full professional proficiency
  • Slovenian Native or bilingual proficiency

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Credentials

  • Databricks Certified Associate Developer for Apache Spark 3.0
    Databricks
    Nov, 2021
    - Oct, 2024
  • Microsoft Certified: Azure Data Engineer Associate
    Microsoft
    Nov, 2020
    - Oct, 2024
  • Data Modeling for Power BI Video Course Completion
    SQLBI
    May, 2020
    - Oct, 2024
  • Structured Streaming
    Databricks
    May, 2020
    - Oct, 2024
  • ETL Part 1: Data Extraction
    Databricks
    Apr, 2020
    - Oct, 2024
  • ETL Part 2: Transformations and Loads
    Databricks
    Apr, 2020
    - Oct, 2024
  • Managed Delta Lake
    Databricks
    Apr, 2020
    - Oct, 2024
  • SSAS Tabular Video Course Completion
    SQLBI
    Feb, 2020
    - Oct, 2024
  • Mastering DAX 2nd Edition Video Course Completion
    SQLBI
    Jan, 2020
    - Oct, 2024
  • DAT202.3x: Implementing Predictive Analytics with Spark in Azure HDInsight
    edX
    Mar, 2019
    - Oct, 2024
  • Microsoft Azure HDInsight Big Data Analyst
    edX
    Mar, 2019
    - Oct, 2024
  • DAT202.2x: Implementing Real-Time Analytics with Hadoop in Azure HDInsight
    edX
    Feb, 2019
    - Oct, 2024
  • DAT202.1x: Processing Big Data with Hadoop in Azure HDInsight
    edX
    Oct, 2018
    - Oct, 2024
  • DAT223.1x: Processing Big Data with Azure Data Lake Analytics
    edX
    Oct, 2018
    - Oct, 2024
  • 70-532 Developing Microsoft Azure Solutions
    Microsoft
    Apr, 2018
    - Oct, 2024
  • MCSA: SQL 2016 Business Intelligence Development
    Microsoft
    Jul, 2017
    - Oct, 2024
  • MCSE: Data Management and Analytics
    Microsoft
    Jul, 2017
    - Oct, 2024
  • Certified Scrum Master
    Scrum Alliance
    Jan, 2014
    - Oct, 2024
  • Oracle Certified Associate
    Oracle
    Jan, 2006
    - Oct, 2024
  • Databricks Certified Data Engineer Associate
    Databricks
    Oct, 2023
    - Oct, 2024

Experience

  • Self-Employed
    • United States
    • Software Development
    • 100 - 200 Employee
    • Senior Data Engineer
      • Jul 2018 - Present

      - Azure Architecture - working on Projects (building metadata driven Azure Data Factory v2, Azure SQL Database, Azure Data Lake, WebApps, LogicApp) - PowerBI (data modeling, building reports, building PowerBI Apps/Flows...) - SSAS (Tabular, Multidimensional) - Microsoft BI/DWH Development - Data Engineering with PySpark/Python on Databricks - Developing with Azure Functions (C#) - Azure Architecture - working on Projects (building metadata driven Azure Data Factory v2, Azure SQL Database, Azure Data Lake, WebApps, LogicApp) - PowerBI (data modeling, building reports, building PowerBI Apps/Flows...) - SSAS (Tabular, Multidimensional) - Microsoft BI/DWH Development - Data Engineering with PySpark/Python on Databricks - Developing with Azure Functions (C#)

  • BI ART
    • Slovenia
    • Software Development
    • 1 - 100 Employee
    • Senior Data Engineer
      • Jul 2018 - Present

      - Azure Data Engineering with Python, Spark - SQL developing - Datawarehousing (Lakehouse) - Developing data models - Developing with Azure Functions (C#) - Data Engineering with PySpark/Python on Databricks - Azure Data Engineering with Python, Spark - SQL developing - Datawarehousing (Lakehouse) - Developing data models - Developing with Azure Functions (C#) - Data Engineering with PySpark/Python on Databricks

  • pmOne Group
    • Germany
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Senior Consultant DWH
      • Aug 2016 - Jul 2018

      - SQL Server 2012/2014/2016 - PowerBI Desktop, PowerBI Services - SSAS Tabular (DAX) - SSAS Multidimensional (MDX) - ETL (SSIS, TSQL, BIML) - PowerShell - DWH Modelling - Azure Architecture - Continuous Integration (Jenkins, GitHub) - SQL Server 2012/2014/2016 - PowerBI Desktop, PowerBI Services - SSAS Tabular (DAX) - SSAS Multidimensional (MDX) - ETL (SSIS, TSQL, BIML) - PowerShell - DWH Modelling - Azure Architecture - Continuous Integration (Jenkins, GitHub)

  • Trivadis - Part of Accenture
    • Switzerland
    • IT Services and IT Consulting
    • 100 - 200 Employee
    • Microsoft BI Consultant
      • Oct 2014 - Aug 2016

      - Integration Services - Analysis Services - MDX - OLAP modeling - SQL Server and Oracle ETL - Integration Services - Analysis Services - MDX - OLAP modeling - SQL Server and Oracle ETL

  • TK Elevator
    • Germany
    • Industrial Machinery Manufacturing
    • 700 & Above Employee
    • Microsoft Datawarehouse analyst
      • Jun 2012 - Sep 2014

      - developing small ERP systems, - building datawarehouse, data marts, - analysis & reporting, - developing with VBA & SQL Server (TSQL), - excel. - developing small ERP systems, - building datawarehouse, data marts, - analysis & reporting, - developing with VBA & SQL Server (TSQL), - excel.

  • IRM - Information Resource Management
    • Sweden
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • ERP Project manager
      • Feb 2008 - Jun 2012

      - business analysis, - writing specifications, - testing, - rolling out solutions, - investment banking, - project management. - business analysis, - writing specifications, - testing, - rolling out solutions, - investment banking, - project management.

  • SRC
    • United States
    • Defense and Space Manufacturing
    • 700 & Above Employee
    • Oracle Datawarehouse Developer
      • Jul 2004 - Feb 2008

      - development on Oracle (PL/SQL) - business analysis, - building, maintaining DWH (Telco & Banking) - building ETL process (manual, automatic using Oracle Warehouse Builder) - SQL development, - rolling out to production. - development on Oracle (PL/SQL) - business analysis, - building, maintaining DWH (Telco & Banking) - building ETL process (manual, automatic using Oracle Warehouse Builder) - SQL development, - rolling out to production.

Education

  • Faculty of Economics
    M. Sc., International Economics
    2008 - 2011
  • Faculty of Organisational Sciences
    B. Sc., Informatics
    2000 - 2006

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