Valentin Plachkov
DWD Developer
Sofia,22
Summary
I am Business Intelligence and DWH Developer with a proven track record at Yettel Bulgaria, specializing in optimizing ETL processes and enhancing data analysis through advanced reporting. Skilled in SQL and adept at problem-solving, I significantly improve data management and operational efficiency. Expertise in Oracle and a collaborative team player.
Overview
16
16
years of professional experience
5
5
years of post-secondary education
1
1
Certification
Work History
Business Intelligence and DWH Developer
Yettel Bulgaria
08.2022 - Current
Develop and optimize ETL processes to extract data from various sources, transform it and load it into the data warehouse.
Develop reports that help users analyze business data.
Finance Applications Specialist
Yettel Bulgaria
03.2021 - 08.2022
Managing the SAP, SMPOS and Aberon systems.
Treasury and Operations Specialist
Telenor Bulgaria
01.2009 - 03.2021
Education
Bachelor of Science - Materials Science
University of Chemical Technology And Metallurgy
Sofia, Bulgaria 09.2008 - 05.2013
Skills
Programming Languages: SQL, Python(basic)
Data Engineering Tools/Technologies: ETL, DWH, Apache Spark (basic knowledge)
Databases: Oracle
Other Tools: Git, JIRA
Certification
Data Engineering (Telerik Academy, ongoing)
Timeline
Data Engineering (Telerik Academy, ongoing)
09-2024
Business Intelligence and DWH Developer
Yettel Bulgaria
08.2022 - Current
Finance Applications Specialist
Yettel Bulgaria
03.2021 - 08.2022
Treasury and Operations Specialist
Telenor Bulgaria
01.2009 - 03.2021
Bachelor of Science - Materials Science
University of Chemical Technology And Metallurgy
09.2008 - 05.2013
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