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oles_kasy

Oleksandr K.

@oles_kasy

Driving Business Growth Through SQL, Tableau, Python and Data Analytics

Poland
English, Polish, Ukrainian
About me
Motivated data analyst with strong skills in data querying, analysis, and visualization. Experienced in statistical methods and A/B testing, using data to support clear, evidence-based decisions. Build predictive and clustering models to uncover trends and insights. Skilled in data cleaning, transformation, and working with large datasets. Communicate effectively in English and Polish, and collaborate with teams to deliver actionable results that support business goals.... Read more

Skills

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oles_kasy
Oleksandr K.
Offline • 

See my services

Statistical Modeling & Analytics
I will do data cleaning, etl processing, and exploratory statistical analysis
From$25 / projectMore details

Work experience

LinkedIn

Freelance, Project-Based Contractor

LinkedIn • Self-employed

Sep 2025 - Present • 1 yr

Analyzed large datasets using SQL to identify performance trends. Built and maintained automated reporting dashboards in Tableau. Conducted analysis using Python (Pandas, NumPy, Seaborn) to ensure data accuracy and reliability. Designed A/B tests to deliver statistically sound recommendations.