Tech stack: Python, R, Tableau, Power BI, QlikView, MySQL, PostgreSQL, SQL Server, Oracle, Amazon Redshift, Google BigQuery, Snowflake
A mid-level business intelligence engineer with 4 years of experience working in the dedicated offshore development team. Specializes in data analysis and visualization with Python, R, Tableau, and Power BI.
Recently, Marek worked on a comprehensive Power BI reporting system for a financial services company. He optimized SQL queries and integrated data from multiple sources into MySQL and PostgreSQL databases. Marek also has experience with data warehousing solutions like Google BigQuery.