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Barnabas Lengyel is a skilled professional with experience in business intelligence development, data modeling, ETL/ELT, and analysis. Barnabas has worked in various roles such as Marketing Analyst, Business Analyst, SQL Developer, and Visual Data Analyst, utilizing tools like Power BI, SQL, Python, Tableau, QlikView, and Excel VBA. With a Bachelor's degree in Business Information Technology, Barnabas is dedicated to meeting stakeholder requirements and creating data-driven solutions for sales, marketing, and finance departments.