Evangelos Pertsinis

Evangelos Pertsinis

St Louis, Missouri, United States
537 followers 500+ connections

About

I'm passionate about new technologies and I'm eager to advance further in the IT…

Activity

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Experience

  • Databricks Graphic
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    St Louis, Missouri, United States

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    Greater Chicago Area

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    Greater Chicago Area

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    London, United Kingdom

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    St Andrews

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    Athens

Education

Licenses & Certifications

Courses

  • Qlikview Developer and Designer (QlikTech)

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Projects

  • Data warehouse design and implementation for greenfield data product

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    Designed the data pipelines, data warehouse archicture, and infrastructure of a new data solution which combines data from multiple systems/products into one platform.
    - Airflow was used to manage the data pipelines
    - Data Vault 2.0 design principles and methodologies were used for the Data Warehouse
    - Snowflake was used as the infrastructure to power the platform

    This new data offering allows our real estate clients to combine data from multiple of our products into one…

    Designed the data pipelines, data warehouse archicture, and infrastructure of a new data solution which combines data from multiple systems/products into one platform.
    - Airflow was used to manage the data pipelines
    - Data Vault 2.0 design principles and methodologies were used for the Data Warehouse
    - Snowflake was used as the infrastructure to power the platform

    This new data offering allows our real estate clients to combine data from multiple of our products into one holistic data model, which they can then report on using modern visualisation tools.

  • Migration of ETL pipelines to AWS Glue (Spark)

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    Lead the migration of our ETL pipelines to AWS Glue, which resulted in a 50% decrease of licensing and operational costs for the BI platform.

    During the project I:
    a) ran the initial PoC to prove AWS Glue and Apache Spark can deliver what we need and gain higher management buy-in,
    b) developed ETL scripts in Python.
    c) trained the team in Apache Spark

  • Implementation of Git source control with Qlikview

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    A source control tool was needed in order to allow for the expanding Qlikview team to work more efficiently. My implementation included setting up Git to work with Qlikview, design the workflow for releasing, and develop a number of deployment scripts in Powershell to automate the process of deploying the projects to the test/live servers.

Languages

  • Greek

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  • English

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