Experience
Work History
2023 Oct – Present
ASML
Senior Data Engineer (Freelance)
- Azure Databricks, EventHub, Docker, Kubernetes, Application Insights
- Python, PySpark, Pytest, HCL, Kusto SQL
- Azure DevOps, Terraform, Bash
2022 Mar – 2023 Oct
Ahold Delhaize
Senior Python Data Engineer (Freelance)
- Development of data processing frameworks using PySpark and Python
- Azure Databricks, ADLS, EventHub, Kafka
- GitHub workflows, Terraform, Bicep
2021 Mar – 2022 Mar
ABN AMRO Bank N.V.
Senior Data Engineer (Freelance)
- Migration of legacy Teradata solution to cloud Data Mesh
- Azure Databricks, Data Lake, Apache Hive, Teradata
- Apache Airflow, Azure Data Factory, PySpark
2020 Feb – 2021 Mar
Rabobank
Azure DevOps / Database Engineer (Freelance)
- Azure DevOps Pipelines, deployment automation
- Cloud migrations: Azure SQL Database, Data Factory, Storage
- PowerShell modules, telemetry and measurements
2020 Jan
Founded Alex Volok Consultancy B.V.
2015 – 2019
Exact Software B.V.
Senior BI / Database Engineer
- Technical design and implementation of enterprise Power BI
- Azure: Data Lake, Data Factory, SQL DB
- T-SQL, SSIS, SSAS, DWH environments
2009 – 2015
Levi 9 Global Sourcing B.V.
Senior BI Developer / Data Architect
- Data warehousing — design and development (Kimball, DataVault)
- ETL processes design, implementation, tuning
- Technical lead of geographically distributed team
Credentials
Certifications
2023Databricks Certified Data Engineer Professional
2022Databricks Certified Data Engineer Associate
2022Databricks Certified Associate Developer for Apache Spark 3.0
2021Azure DevOps Engineer Expert, AZ-400 (Microsoft)
2020Azure Administrator Associate, AZ-104 (Microsoft)
2019Azure Data Engineer Associate, DP-200/201 (Microsoft)
2018MCSD: App Builder (Microsoft)
2016MCSE: Data Management and Analytics (Microsoft)
2014MCSE: Data Platform (Microsoft)
2013MCSE: Business Intelligence (Microsoft)
2013MCSA: SQL Server 2012/2014 (Microsoft)