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Karol Iwulski

Data Analyst

Technologies

My Portfolio Highlights

My New Course

Data Visualization in Power BI

My New Course

Data Visualization in Tableau

My New Course

Intermediate Python

My New Course

Data Visualization in Power BI

Insights curator, carefully selecting and presenting the most valuable knowledge.

My Work

Take a look at my latest work.

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Unicorn Viz

Tableau
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Superstore Dashboard

Tableau
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Unicorn Viz

Tableau

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

Coursera Marketing Analytics Professional by Meta

Google Google Analytics Certification

Google Advanced Google Analytics

365 Data Science Introduction to Tableau

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to Power BI
Intermediate Python
Data Manipulation with pandas

My Work Experience

Where I've interned and worked during my career.

LPP S.A. | May 2023 - Present

Data Analyst

Creating reports in LookerStudio; Creating reports and data models in PowerBI using PowerQuery and DAX formulas; Creating tables, views, schedules, routines and data pipelines in in BigQuery environment and supervising the corectness of the data; Optimizing costs of data transfer (for example by creating clustered and partitioned tables); Working with GA4 tables in BigQuery; Conducting ad hoc analyzes and providing recommendations  (such as RFM analyze, funnel analyze, CRO processes); Close cooperation with Performance, Affiliation and Marketing Automation departments; Monitoring and interpretation of A/B test results; Help in automating processes in other departments (by providing Python scripts).
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Marketing Investment Group S.A. | Mar 2022 - May 2023

EC Junior Analyst

Preparing cyclical and ad-hoc analyses for e-commerce stores (using GUA and API connector); Providing fully automated BI dashboards in LookerStudio and Tableau (using Google BigQuery); Forecasting revenue plans; Setting KPIs and monitoring its performance; Creating and supervising automated reports in MS Excel (using Power Query) and Google Sheets (using macros and triggers).

VRG S.A. | Jan 2021 - Jan 2022

Junior Supply Specialist

Creating and updating cyclical sales reports for the Brand Director; Performing ad-hoc product analyses; Inventory allocation; Placing orders and overseeing the process.

My Education

Take a look at my formal education

Engineer's degree in International LogisticsUniversity of Economics in Cracow | 2021

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