Juraj Pijak
@jurajpijak
Data Specialist at UpDataLogic automating ETL pipelines and turning fragmented business data into reliable KPI dashboards.
SlovakiaWhat I'm looking for
At UpDataLogic, I transform messy corporate data into automated dashboards and reliable business intelligence. I restructure data models, integrate multi-source datasets, orchestrate pipelines, and write DAX logic.
I deliver dashboards that save clients significant manual work each month and give executives real-time visibility into business KPIs and churn trends.
During a six-month career break, I focused full-time on self-directed study in business intelligence, data engineering, and analytics. I built practical projects using Python and SQL to clean raw data and Power BI to create e-commerce and financial KPI monitors.
My projects include customer retention analytics, an automated cloud data warehouse, Amazon sales analytics, and ESG and financial analytics. Before moving into data work, I worked as an electrician and in construction; I also hold a Master's degree in Environmental Engineering.
Experience
Work history, roles, and key accomplishments
Data Specialist
UpDataLogic
Jun 2026 - Present (4 months)
Transforms messy corporate data into automated dashboards and reliable business intelligence. Builds automated reporting solutions by restructuring data models, integrating multi-source datasets, orchestrating pipelines with Apache Airflow, and writing efficient DAX logic.
Career Break - Self-Directed Study
Self-Directed Study
Jan 2026 - Jun 2026 (5 months)
Took an intentional career break to fully dedicate 6 months to self-directed, full-time study in Business Intelligence, Data Engineering, and Analytics. Gained technical skills to design, automate, and deploy professional dashboards.
Electrician
JBJ electronic GmbH & Co.KG
Aug 2023 - Dec 2025 (2 years 4 months)
Worked as an electrician, focusing on cable preparation, connections, and interpreting electrical schemes and plans. Collaborated with teams to deliver precise electrical installations tailored to project needs, with a strong commitment to safety and operational efficiency.
Construction Worker
Self-employed
Sep 2022 - Aug 2023 (11 months)
Worked in construction in Czechia, handling concrete and iron work, roofing, and general building support.
Education
Degrees, certifications, and relevant coursework
University of Žilina
Master's degree, Environmental/Environmental Health Engineering
2020 - 2022
Master's degree in Environmental/Environmental Health Engineering from the University of Žilina from 2020 to 2022.
Vilnius Gediminas Technical University (VILNIUS TECH)
Master's degree, Environmental/Environmental Health Engineering
2019 - 2020
Master's degree in Environmental/Environmental Health Engineering through the Erasmus Exchange Program from 2019 to 2020.
University of Žilina
Bachelor's degree, Energy Management and Systems Technology
2016 - 2019
Bachelor's degree in Energy Management and Systems Technology from the University of Žilina from 2016 to 2019.
Tech stack
Software and tools used professionally
Availability
Location
SlovakiaAuthorized to work in
GermanyWebsite
updatalogic.comPortfolio
github.com/jurajpijakdataSalary expectations
Social media
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