Dariusz Spiewak

Dariusz Spiewak has over 20 years of work experience in various roles related to data engineering, business intelligence, and SQL optimization. Their most recent position is as a Lead Data Engineer at TruRating, starting in 2022. Prior to that, they worked at Swiss Re as an Expert Data Engineer RM IT, focusing on troubleshooting and optimizing DAX/Power BI and SQL procedures/functions. Dariusz also has experience as a Senior Business Intelligence Developer at Planet, where they worked on an Enterprise Data Warehouse solution for the company. Dariusz has also held positions at London Stock Exchange Group, arvato Financial Solutions Limited, Cleanliving Building Services Limited, Revenue Assurance Limited, UBM Limited, MFI UK, and Wroclaw University of Economics. Overall, Dariusz's work experience demonstrates a strong background in data engineering, SQL optimization, and business intelligence.

Dariusz Spiewak attained a Master's Degree in Financial and Insurance Mathematics from the Wroclaw University of Science and Technology, which they completed between 1995 and 2000. Additionally, they have obtained various certifications, including "More Python Tips, Tricks, and Techniques for Data Science," "8 Things You Must Know in Python," "Advanced Python," "Faster Python Code," "NumPy Data Science Essential Training," "Python Standard Library Essential Training," "Python: Decorators," "Python: Design Patterns," "pandas for Data Science," "Data Modeling for Power BI Video Course Completion," "Mastering DAX 2nd Edition Video Course Completion," "First Look: Visual Studio 2019," "Python Statistics Essential Training," "Visual Studio Code Productivity Tips," "Analysis Services Fundamentals," "C# Collections Fundamentals," "C# Fundamentals - Part 1," "C# Fundamentals - Part 2," and "C# Generics." These certifications were earned from institutions such as LinkedIn, SQLBI, and Pluralsight between 2019 and 2021.