Oleg M
Senior Data Engineer DBA
Chicago, Illinois, United States
Summary
👤
Senior🎓
Top SchoolOleg M is a Senior Data Engineer and DBA with over 10 years of experience designing, tuning, and operating high-volume MS SQL Server and cloud data platforms. He has strong hands-on expertise building ETL/ELT pipelines (SSIS, ADF), migrating and integrating data into Snowflake and Azure Databricks, and optimizing T-SQL for both OLTP and DWH workloads. Oleg combines traditional DBA skills—backup/recovery, Always On, performance tuning—with modern cloud data engineering practices like CDC-driven migrations, Delta tables, and cost-conscious Databricks/Snowflake optimizations. He’s delivered large-scale migrations (including a billion-row MySQL-to-SQL Server move) and automated complex data flows across Azure services, often improving reliability and reducing costs. Based in Chicago, he pairs deep technical craft with a pragmatic focus on operational continuity and is currently exploring DWH modernization on Azure Databricks. Notably, his background spans both software development (C#, Python, Laravel/RoR familiarity) and database engineering, giving him a rare full-stack perspective on data problems.
10 years of coding experience
6 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
English, Russian, Ukrainian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (3)
css2
javascript2
html1
Programming languages (3)
Github contributions (5)
OlegMarko/ico-bench
Sep 2018 - Oct 2023
Contributions:4 pushes, 1 branch, 1 tag in 5 years 1 month
OlegMarko/ipgeocoder
Sep 2018 - Oct 2023
Contributions:3 pushes, 3 branches, 1 tag in 5 years 1 month
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