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Sylwester Skibiński

Sylwester Skibiński

Certified

Analyst

Tutlo

Technologies

My Portfolio Highlights

My New Certification

Data Analyst Professional

My New Certification

Data Analyst Associate

My New Certification

Data Engineer Associate

My New Certification

Data Analyst Professional

Analyst with passion for learning and sharing insights with others.

My Work

Take a look at my latest work.

project

Consolidating Employee Data

certification

Data Analyst Professional

certification

Data Analyst Associate

project

Consolidating Employee Data

My Certifications

These are the industry credentials that I’ve earned.

SQL Associate

SQL Associate

Data Analyst Professional

Data Analyst Professional

Data Engineer Associate

Data Engineer Associate

Data Analyst Associate

Data Analyst Associate

Data Literacy

Data Literacy

DataCamp Course Completion

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

Courses

Introduction to Python
Introduction to SQL
Intermediate SQL
Intermediate Python

My Work Experience

Where I've interned and worked during my career.

Tutlo.com | Apr 2023 - Present

Business Operations Analyst

- Supported the operations department in data analyses, process improvements, and business optimization. - Developed dashboards using SQL, Looker Studio, and Google Spreadsheets for daily operations metrics and tutor quality - Created operational reports focused on group lesson metrics. - Transitioned spreadsheet-based tutor monthly cost calculations to Looker Studio for weekly cost control. - Designed automated mailing workflows for group lessons, streamlining communications. - Collaborated with the Product Owner, providing analytical expertise for group lesson enhancements resulting in change of subscription plans.
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Glovo | Aug 2021 - Apr 2023

Senior Operations Specialist West Poland

- Coordinated a team of 700+ couriers to enhance app availability and operational efficiency. - Opened the Glovo Center in Poznan. - Assisted in process improvements, recruitment strategies, and team training initiatives. - Cooperated with Area Managers, Account Managers, and fleet partners. - Daily use of Looker, Google Data Studio, and Amazon Redshift for insights and reporting.

LOT Polish Airlines | Feb 2020 - Nov 2021

Customer Service Representative - Ticketing & Sales Agent

- Participated in the implementation of BLIK payment in the contact center. - Sold tickets and additional services worth over 1 million PLN.

Reminiz | Mar 2019 - Mar 2020

Data validator

- Assisted in feeding a machine learning algorithm focused on reinforcement learning.

Euro-Tax.pl S.A. | Mar 2019 - Aug 2019

Intern

- Analyzed client cases for foreign tax returns.

PRESS-SERVICE Monitoring Mediów | Nov 2017 - Jul 2018

Press Data Validator

- Verified and analyzed press materials.

My Education

Take a look at my formal education

Bachelor in Data ScienceCollegium da Vinci | 2026

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