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Mateusz Machnowski

Mateusz Machnowski

Data Scientist

Hubble_s

Technologies

Quantitative storyteller, weaving narratives through data analysis.

My Work

Take a look at my latest work.

course

Introduction to Statistics in R

course

Data Warehousing Concepts

course

Intermediate Python

course

Introduction to Statistics in R

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.

Hubble_s | Jun 2023 - Present

Data Scientist

N/A

NielsenIQ | Aug 2022 - Apr 2023

Data Processing Specialist (Statistical Operations)

As a Data Processing Specialist at NielsenIQ, I held a key role in the Statistical Operations function, where I honed my data analysis and problem-solving skills. My responsibilities and achievements included: • Ensuring data integrity and accuracy through rigorous quality checks and sample maintenance, which formed the basis of our market insights. • Utilizing SQL to create and execute complex queries for extracting and analyzing data, turning raw information into actionable insights. • Collaborating with local and regional teams to gain a comprehensive understanding of the market conditions in Italy, ensuring our insights were contextual and accurate. • Implementing Python automation scripts to streamline daily tasks and improve the efficiency of our data processing. • Investigated data inquiries and challenges with local teams, providing solutions and insights. My experience at NielsenIQ allowed me to deepen my understanding of data analysis in a fast-paced, dynamic business environment, underscoring the transformative potential of data-driven decision-making.
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My Education

Take a look at my formal education

Bachelor of Science in Cognitive ScienceUniversity of Warsaw | 2022

About Me

Mateusz Machnowski

Data Analyst experienced in processing and deriving insights from large data sets. Honed skills at NielsenIQ and University of Warsaw. Proficient in SQL and Python. Seeking a role to contribute to data strategies and continue professional growth.

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