Valerii Derkach
DWH And BI Developer at NovaPay
Kyiv, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolValerii Derkach is a DWH and BI developer based in Kyiv with four years focused on building and optimizing data warehouses and BI solutions across PostgreSQL, SQL Server and Oracle ecosystems. He has hands-on experience designing ETL pipelines (Pentaho, SSIS), building SSRS/SSAS reports and cubes, and tuning database performance to support analytics and billing systems. Valerii’s background spans roles from database administration to system programming and long-term application development in Delphi and C++ Builder, giving him a rare combination of low-level engineering discipline and BI-domain fluency. At NovaPay he continues to support and optimize a production PostgreSQL DWH while previously delivering reporting platforms for healthcare and retail clients. He pairs strong operational troubleshooting skills with an appetite for analytics tooling—recently upskilling in Power BI—to bridge data engineering and business reporting needs.
4 years of coding experience
13 years of employment as a software developer
Cource Power BI, Cource Power BI at LabaDesigner-technologist engineer, Design and production of electronic computing equipment, Designer-technologist engineer, Design and production of electronic computing equipment at Kyiv Polytechnic Institute
Russian, Ukrainian, Polish, English
Github Skills (28)
javascript10
columns10
fp-ts10
notification10
dom10
parse10
rows10
typescript9
spider9
react9
js9
seeding3
heroku-deployment3
expressjs3
eslint2
Programming languages (7)
Github contributions (5)
valerii-derkach/todo-app
Apr 2024 - Apr 2024
Contributions:43 pushes, 2 branches in 1 day
valerii-derkach/layout_stars
Mar 2022 - Nov 2022
Contributions:2 pushes, 4 branches in 7 months
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