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Piotr Wdowiński

Piotr Wdowiński

BI Developer

Student

Technologies

My Portfolio Highlights

My New Track

Python Programmer

My New Course

Introduction to Python

My New Track

Python Programmer

Statistical wizard, casting spells of significance on data experiments.

My Work

Take a look at my latest work.

course

Introduction to Power BI

course

Introduction to Python

course

Intermediate Python

course

Introduction to Power BI

DataCamp Course Completion

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

Courses

Introduction to Python
Introduction to SQL
Introduction to Power BI
Intermediate Python

My Work Experience

Where I've interned and worked during my career.

Diebold Nixdorf | Jan 2023 - Present

Senior Business Intelligence Analyst

▪ Designed and maintained PowerBI reports and dashboards, improving data accessibility for decision-makers ▪ Successfully gathered and translated business requirements into actionable reports ▪ Created and optimized DAX measures, resulting in improved report performance and accuracy ▪ Prepared and transformed data using Power Query and Tabular Editor, streamlining data workflows ▪ Developed and fine-tuned semantic models, facilitating better data analysis and interpretation ▪ Worked with multiple data sources such as (SAP HANA, Oracle DB, flat files, SharePoint) ▪ Implemented Power Automate solutions, reducing manual reporting tasks and increasing efficiency
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Diebold Nixdorf | Jan 2018 - Jan 2022

Operations Controller

▪ Conducted data analysis, producing comprehensive reports ▪ Created and maintained interactive Tableau and Power BI dashboards, enhancing visibility into operational metrics ▪ Monitored and controlled key performance indicators (KPIs), contributing to an improvement in operational efficiency ▪ Consolidated data from various sources (MS Access, SAP, flat files, SharePoint), ensuring data integrity and accuracy ▪ Optimized Excel reports with Power Query and macros, significantly reducing reports generation time ▪ Administered SharePoint internal ticketing system, improving issue tracking and control

Diebold Nixdorf | May 2016 - Jan 2017

OTC Specialist BENELUX

▪ Managed international client orders in SAP ERP, ensuring timely and accurate processing ▪ Developed reports using MS Access and Excel, providing insights into order management ▪ Administered material master data, maintaining accurate records of materials, pricing, and supplier information

CLEANTECH POLAND LLC | May 2013 - Oct 2016

Head Analyst

▪ Management of data analysis projects for private clients (renewable energy data/oil and gas data) ▪ Reporting, writing various analysis of European oil and gas market, including topics such as: conventional and unconventional oil and gas (shale gas, tight gas, CBM), LNG trade, gas supply and demand. ▪ Maintaining relationships with current as well as with new clients ▪ Managing work of junior analysts ▪ Preparing analysis for the Shale Gas Investment Guide magazine ▪ Supporting client with international logistics ▪ Representing the company and it's data analysis products at conferences in Europe

Poland Shale Coalition | Nov 2014 - Nov 2014

Project Manager

▪ Communication with business clients and vendors ▪ Marketing and branding at the Shale Gas World Europe 2014 for PSC Pavilion ▪ Management of a group of young professionals in order to ensure the pavilion is organised properly and efficiently

CLEANTECH POLAND LLC | Mar 2013 - May 2013

Data Analyst

▪ Researched oil and gas and renewables energy markets for market analysis ▪ Worked with databases ▪ Represented company at inudstry events ▪ Contributed to growth of data analysis projects

My Education

Take a look at my formal education

Master's degree, Advanced analytics - Big DataSGH Warsaw School of Economics | 2019
Bachelor's degree, European Business Management - MarketingCoventry University | 2014
Bachelor's degree, European Business Management - MarketingUC Leuven-Limburg | 2013
Bachelor's degree, European Business Management - MarketingIBA Erhvervsakademi Kolding | 2012

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