Patrycja Stefaniak

About

Data and AI analyst with 5+ years of experience across business analysis, BI, SAP, and data analytics. Specializes in applying Python, SQL, Power BI, and machine learning to automate reporting, improve data quality, and solve real-world business problems.

Experience

• Business/Data Analyst
  ARI10
  Feb 2025 – Present
• Senior Consultant SAP
  EY
  May 2022 – Aug 2023
• SAP Project Manager
  Veslog
  Jun 2021 – Feb 2022
• Senior ICT Specialist
  Tauron Dystrybucja
  Sep 2018 – Aug 2019
• IT PMO
  Visiona
  Jun 2018 – Aug 2018
• Analyst
  State Street International GmbH
  Nov 2016 – Jul 2017

Education

• MBA, Data Science
  Swiss School of Business And Management
  Data Science · Dec 2023 – Dec 2024
• Master of Science
  AGH University of Science and Technology
  Management and Production Engineering · Feb 2016 – Oct 2017
• Bachelor of Science
  AGH University of Science and Technology
  Management and Production Engineering · Oct 2012 – Feb 2016

Skills

• SQL
• Business Analysis
• Python
• Power BI
• Prompt Engineering
• Matplotlib
• NumPy
• Pandas
• scikit-learn
• SAP
• TensorFlow
• Jira
• Stakeholder Management
• Requirements Gathering
• Scrum
• Data validation
• Technical Documentation
• Excel
• Generative AI
• BigQuery
• Digital Transformation
• Azure
• Azure DevOps
• Data Cleansing
• BPMN
• CNN
• Agile
• Word
• Fine-tuning
• Google Cloud
• Transfer Learning
• Lstm
• Redmine
• Rnn
• Feature Extraction
• Bizagi Modeler

Projects

• Credit Scoring Model using Decision Tree Classifier
• Fraud Detection Model using DBSCAN
• CNN Model for Food Image Classification
• Business Analysis for Energy Meter Management System
• SAP S/4HANA Implementation – SAP TM & Warehouse Management
• SAP S/4HANA Implementation & Migration (EY – Energy Sector)
• Automation of Financial and Product Reporting

Courses & certifications

• Copywriting
• Prompt Engineering in practice · Coders Lab
• Machine Learning · Google for developers
• Building Systems with the ChatGPT API
• Data Warehouse
• Python from basic to advanced
• Power BI
• SAP Project Manager
• Knowledge of Business Intelligence tools based on Comarch ERP XL system
• Google Cloud Storage
• BigQuery for Big data engineers
• Generative AI · Microsoft
• AI in Finance and Marketing · University of Pennsylvania
• AI for Product Management · Pendo
• AI Strategy and Governance · University of Pennsylvania
• Evaluations of AI Applications in Healthcare
• Machine Learning Essentials
• Tensorflow with Deep Learning