🎯 Data Analyst | 1,5 years’ experience
📊 SQL • Python • Power BI • Tableau • Excel
📍 Tychy, Poland

I’m a data analyst passionate about transforming raw data into clear business insights.
With 1.5 years of experience, I specialize in SQL, Python, and BI tools to deliver analyses that drive decisions.
Currently, I’m building a business-ready portfolio to showcase advanced analytics and dashboarding skills.

• IBM Data Analyst Professional Certificate
• SQL Data Analysis – KajoData Space
• Python Data Analysis – KajoData Space
• Tableau – KajoData Space
• Power BI – KajoData Space
• Excel - KajoData Space

• SQL → CTEs, window functions, churn & cohort analysis
• Python → Pandas, NumPy, automation, web scraping
• Power BI & Tableau → interactive dashboards, KPI tracking
• Excel → advanced analytics, modeling, visualization

• SQL Business Analysis → advanced queries, churn & cohort analysis
• Python Churn Analysis → retention, cohorts, visualization with Pandas
• Power BI Sales Dashboard → KPIs, drill-through, interactive insights
• Tableau Market Insights → visual storytelling with real-world data

Each project will include: business context, clean code, and clear takeaways for decision-makers.

• GitHub: github.com/OW-DataAnalyst