education
2020 - 2024
University of Warsaw
Bachelor of Finance and International Investment
~/portfolio git:(main) $ whoami
Przemysław
Graczyk
Data Analyst based in Warsaw, specializing in SQL, Python, and Excel. Currently working in DataOps, with analytical experience across the gas market and real estate industries.
01 / about
I turn complex data into clear decisions.
My work spans data operations, business analysis, reporting, and automation. I investigate pipeline failures, improve data quality, build reporting workflows, and translate findings into practical recommendations.
SQLPythonPandasExcelData AnalysisReporting
02 / background
Education and languages
course
Aug 2022 - Dec 2022
Software Development Academy
Software development course
languages
- Polish
- Native
- English
- C1
- German
- B2
03 / experience
Selected roles
Nov 2024 - present
Warsaw, Poland
DataOps Support Specialist
Meta (Crystal Equation Corporation)
- Resolve data pipeline errors to ensure operational continuity and reliable data flow.
- Design and implement SQL queries to identify and extract error patterns for in-depth analysis.
- Categorize error data to support root cause analysis and pattern recognition.
- Presented findings for the Data Warehouse Improvement initiative, highlighting the operational impact of proposed changes.
- Collaborate with cross-functional teams to address and resolve data-related issues.
- Monitor data quality checks and processes to uphold high data standards.
Apr 2023 - Aug 2024
Warsaw, Poland
Reporting and Analysis Specialist
PGNiG Obrót Detaliczny
- Conducted comprehensive data analysis to inform strategic decisions about gas sales in the energy sector.
- Developed and maintained SQL and Excel reports and dashboards to visualize key metrics.
- Analyzed vendor sales trends and provided actionable insights to management.
- Automated the weekly earnings dashboard for gas vendors by migrating the process to a database, improving efficiency and accuracy.
- Refactored and optimized reports to align with evolving business logic and requirements.
Jul 2022 - Dec 2022
Warsaw, Poland
Junior Analyst
Jones Lang LaSalle
- Supported senior analysts with data collection, reporting, and account reconciliations.
- Prepared concise presentations and summaries covering changes and current states of client real estate accounts.
- Managed client correspondence concerning errors and inconsistencies in supplied data.
- Built foundational experience in professional data handling and reporting practices.
- Developed further experience in financial accounting.
04 / contact
Let’s work with data.
Warsaw, Poland