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dpiskunovich

Dzianis P

@dpiskunovich

Excel and CSV Data Cleaning Specialist

Lithuania
Belarusian, English, Russian
About me
Need to combine monthly exports, remove exact duplicates, or compare invoices with payments? I help turn Excel and CSV files into clean tables, with clear exceptions and checked totals. My background includes cleaning and validating company financial datasets. I preserve IDs and leading zeros, keep currencies separate, and flag ambiguity instead of guessing. Send a small, anonymized sample and describe your goal; I will help agree the rules before work starts. Delivery: CSV or values-only Excel, plus a short explanation and separate verification.... Read more

Skills

d
dpiskunovich
Dzianis P
Offline • 

See my services

Data Cleaning
I will clean merge and reconcile your excel and CSV data
From$15 / projectMore details

Work experience

Self-Employed_/ Freelancer

Financial Data Analyst - BEROC Project

Self-Employed / Freelancer

Jul 2024 - Jul 2026 • 2 yrs

Built, cleaned and validated company-level financial datasets from corporate reports covering 2021-2025. Calculated and interpreted 15 performance indicators and 17 financial ratios, and prepared charts, dashboards and analytical summaries using Excel and EViews.