About Oleksandr
Ukrainian
Native or bilingual
English
Conversational
German
Conversational
Experience
- Eleks GmbHData EngineerJanuary 2021 - January 2026 (5 years)Berlin, GermanyDeveloped new data pipelines for an existing corporate data warehouse.Built pipelines to integrate the solution with Dynamics CRM, Jira, SharePoint, and other systems. Maintained production, test, and development environments. Built CI/CD processes, developed the data quality process, and optimized data load time. Created daily data obfuscation processes for test environments and reviewed code written by other developers. Migrated workloads from on-premise to cloud.Tools: SSMS, ADF, SSIS, Power BI, MS Visual Studio, Azure DevOps, Postman, MS SQL, Python, PowerShell, Dynamics CRM, Jira, MS SharePoint
- Kovalska DigitalDBAJanuary 2020 - January 2021 (1 year)Kyiv, Ukraine, 02000Optimized database resource usage; maintained production and test environments built with Always On.Reviewed and optimized execution plans for slow queries and all database indexes. Automated test and development rollouts. Created an old-data archive process and the maintenance strategy. Reviewed code and fixed bugs.Tools
- IP LandMS SQL DeveloperJanuary 2018 - January 2020 (2 years)Kyiv, Ukraine, 02000Developed new functionality for a large analytics system of a merchandiser application.Designed the database; developed stored procedures, functions, and triggers. Prepared reports using Telerik. Optimized legacy code; created indexes and hints. Fixed bugs.Tools: SSMS, MS SQL, Sourcetree, Telerik
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Education
- Microsoft Certified: Azure Data Engineer Associate Databricks — internal enablement program with hands-on labs (Eleks)Microsoft Certified: Azure Data Engineer Associate Databricks — internal enablement program with hands-on labs (Eleks)