Profilbild von Christian Hollstein Data Engineer & Data Infrastructure Engineer (Azure) aus Hamburg

Christian Hollstein

nicht verfügbar bis 31.12.2024

Letztes Update: 14.03.2024

Data Engineer & Data Infrastructure Engineer (Azure)

Abschluss: Master of Business Administration & Engineering
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (Muttersprache) | englisch (verhandlungssicher)

Schlagwörter

Microsoft Azure Bash Shell Information Engineering Devops Python Windows Powershell SQL Pyspark Terraform Docker

Skills

Bash Scripting, Data Lakehouse, Data Mesh, Delta Lake, Docker, Microsoft Azure, Microsoft Azure DevOps, Packer, PowerShell, PySpark, Python, SQL, Terraform

Projekthistorie

07/2023 - bis jetzt
Data Lakehouse with Azure Databricks
Energieversorgungsunternehmen (Energie, Wasser und Umwelt)

Conception and realization of Data Lakehouse with Azure Databricks and Power BI
  • Configuration of Databricks workspace
  • Setup of CI/CD pipelines for Databricks
  • Realization of ETL processes with SCD2
  • Setup Auto Loader for event based triggering
  • Data exploration to design and validate the data model
  • Conception and realization of Delta Live Tables
  • Realization of Power BI datasets and reports

05/2023 - 12/2023
Data Lakehouse with Azure Databricks
Automobil (Automobil und Fahrzeugbau)

Conception and realization of Data Lakehouse with Azure Databricks and Power BI
  • Business requirements engineering to validate the scope and define the KPIs
  • Data exploration to design and validate the data model
  • Support for offsite development team

02/2023 - 09/2023
Data Lakehouse with Azure Synapse
IT-Consulting (Internet und Informationstechnologie)

Realization of Data Lakehouse with Azure Synapse and Power BI
  • Setup an Azure Synapse landscape as Data Lakehouse
  • Setup CI/CD pipelines for Azure Synapse (develop and production)
  • Realization of ETL processes with SCD2
  • Conception and realization of SQL views
  • Realization of Power BI datasets and reports

03/2019 - 04/2023
Advanced Analytics Platform on Azure
Digitaldienstleister für VNB und MSB (Energie, Wasser und Umwelt)

  • Set-up and operation of a multi-client and multi-stage advanced analytics platform on Azure
    • Azure Databricks & Azure ML
    • Azure App Services
    • Azure Data Factory & Azure Synapse
    • Azure Application Gateway
    • Azure SQL Database & Azure Storage Account
  • Set-up and operation of CI/CD pipelines for DevOps and ML Ops on Azure DevOps
    • Code security with bandit, safety and SonarCube within build pipeline
    • CI/CD flow for Azure Data Factory & Azure Synapse
  • Infrastructure as Code with Terraform

07/2022 - 01/2023
Data Lakehouse with Azure Synapse
Digitaldienstleister für VNB und MSB (Energie, Wasser und Umwelt)

Proof of concept and realization for Data Lakehouse with Delta Lake and Azure Synapse
  • Data wrangling with Data Flow & Python notebook
  • Serverless SQL pool as source for Power BI datasets
  • Delta load processes with Delta tables

01/2020 - 12/2022
ETL Processes with Azure Data Factory & Azure Synapse
Digitaldienstleister für VNB und MSB (Energie, Wasser und Umwelt)

Conception and realization of ETL processes with Azure Data Factory and Synapse
  • Data wrangling with Data Flow & Python notebook
  • Self-hosted integration runtime on Windows VMs
  • Serverless SQL pool as source for Power BI datasets

Zertifikate

Azure Administrator Associate
Microsoft
2022

Reisebereitschaft

Nur Remote verfügbar

Sonstige Angaben

My focus is on Data Infrastructure Engineering and Data Engineering. My portfolio ranges from Cloud Infrastructure (Azure, Terraform) to CI/CD Pipelines and Orchestration to Data Lakehouse (Databricks, Synapse, Python, SQL).

exali IT-Haftpflicht-Siegel (Sondertarif für Freelancermap-Mitglieder)

Das original exali IT-Haftpflicht-Siegel bestätigt dem Auftraggeber, dass die betreffende Person oder Firma eine aktuell gültige branchenspezifische Berufs- bzw. Betriebshaftpflichtversicherung abgeschlossen hat. Diese Versicherung wurde zum Sondertarif für Freelancermap-Mitglieder abgeschlossen.

Versicherungsbeginn:
01.02.2023

Versicherungsende:
01.02.2026

Profilbild von Christian Hollstein Data Engineer & Data Infrastructure Engineer (Azure) aus Hamburg Data Engineer & Data Infrastructure Engineer (Azure)
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