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Key Skills
Technical Skills
• Data Visualization: Tableau (building interactive executive dashboards, MoM/YoY analysis, LOD expressions).
• Databases & SQL: PostgreSQL, MySQL (writing complex queries, database schema design, referential integrity).
• Data Analysis: Data cleaning (ETL), quantitative analysis, trend identification, statistical validation.
• Software: Advanced Excel (Power Query, Pivot, Lookups), MATLAB, MS Visio, LabVIEW.
• Engineering: Technical documentation, Metrology, Smart Technologies in Manufacturing.
Collaboration & Communication
• Teamwork in dynamic environments
• Clear and concise communication

Stanisław Saduro

Results-oriented professional with a strong technical background in Engineering and Data Analytics. Proficient in building end-to-end analytical solutions, from database schema design in PostgreSQL to creating interactive executive dashboards in Tableau. Skilled in writing complex SQL queries, performing deep-dive data auditing, and transforming raw datasets into actionable business insights. Fast learner with a proven ability to bridge the gap between technical data structures and stakeholder-facing visualizations.

Experience
Physics & Mathematics Tutor
09/2025 - Present

• Analyzed students’ performance data to identify knowledge gaps and learning patterns
• Created structured progress summaries and learning plans
• Applied quantitative and logical reasoning to solve complex problems
• Monitored progress and adjusted strategies to improve outcomes
• Translated complex analytical concepts into clear and understandable explanations

Education
Bachelor of Engineering – SMART Technologies in Manufacturing
Technical University of Košice, Faculty of Manufacturing Technologies (Prešov)
Degree completed
10/2022 - 06/2025

Languages
English : B2

Working proficiency

Polish : B1

Communicative
Slowakian : B2

Upper-intermediate

Ukrainiane : C2

Native
Russian : C2

Native

Achievements
• Regular participant in physics olympiads during secondary education
• Completed engineering studies in an international academic environment

Additional Information
• Fast learner, particularly in technical and analytical topics
• Legal residence status in Poland (Status UKR)
• Comfortable working with documentation and spreadsheets in English
• Google Data Analytics Professional Certificate (in progress) Courses completed:
1. Foundations: Data, Data, Everywhere
2. Ask Questions to Make Data-Driven Decisions
3. Prepare Data for Exploration
4. Process Data from Dirty to Clean
PORTFOLIO
E-commerce Executive Performance Dashboard
[Link to GitHub Repository] | [Link to Tableau Public ]
• Objective: Developed a comprehensive analytical solution to monitor high-level KPIs (Revenue, Profit, AOV) for an e-commerce business using the dataset.
• Data Engineering: Reconstructed a relational database schema in PostgreSQL from 7 raw tables. Implemented data integrity checks, handled missing values, and validated chronological consistency using SQL.
• BI Development: Built an interactive dashboard in Tableau with advanced features:
◦ Dynamic period switching (MoM/YoY) using parameters and calculated fields.
◦ Complex business logic implementation via LOD Expressions (FIXED) for accurate profit margin calculations.
◦ Automated trend indicators and dynamic labeling for improved stakeholder UX.
• Outcome: Streamlined the performance review process, allowing stakeholders to identify sales trends and underperforming traffic sources in seconds.

Wyrażam zgodę na przetwarzanie moich danych osobowych w celu prowadzenia rekrutacji na aplikowane przeze mnie stanowisko.

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