Lyuben Z.

Lyuben Z.

Business Intelligence Developer

Bulgaria
Trusted member since 2025
4 years of experience

At PlanDelta and Hewlett Packard Enterprise (HPE), Lyuben built BI systems from the ground up, delivering data-driven UX recommendations and streamlining reporting workflows through automation. His analytical insights directly contributed to optimizing product development and enhancing supply chain efficiency.

Combining a strategic mindset with technical precision, Lyuben excels in cross-functional collaboration, ensuring that analytics align with broader business objectives. He is continuously expanding his expertise in AI and machine learning applications, driving innovation and smarter data solutions.

Main expertise

Microsoft Power BIMicrosoft Power BI4 years
SQLSQL4 years
DAX4 years
Data Analytics4 years

Experience3

PlanDelta

Business Intelligence Developer

PlanDelta
Financial Technology (FinTech)
May 2023 · 2y 11m
  • Served as the first and only data hire, responsible for building the company’s BI capabilities from the ground up.
  • Developed Power BI dashboards for client use, enhancing data visibility and supporting informed decision-making.
  • Delivered actionable insights that directly influenced UX improvements and shaped product roadmaps.
  • Fostered a data-driven culture within a fast-paced startup environment, promoting evidence-based decision-making across teams.
SQLSQL
Microsoft Power BIMicrosoft Power BI
Data Analytics
DAX
Hewlett Packard Enterprise

BI and Reporting Specialist

Hewlett Packard Enterprise
Supply Chain Management
Jan 2021 - May 2023 · 2y 4m
  • Developed and maintained BI reports for global supply chain teams, improving visibility and operational insights.
  • Transformed large datasets into clear, actionable metrics to optimize inventory, logistics, and sourcing processes.
  • Automated manual reports and repetitive workflows, saving multiple hours daily across departments.
  • Earned a LEAN Six Sigma Green Belt certification and applied its principles to enhance data quality and process efficiency.
  • Supported supply chain initiatives with ad hoc analyses and visualizations in Power BI and SQL Server.
SQLSQL
Microsoft Power BIMicrosoft Power BI
SSISSSIS
DAX
UniCredit Consumer Financing

Data Science Intern

UniCredit Consumer Financing
Banking and Finance
Jun 2019 - Aug 2019 · 2m
  • Processed and analyzed customer data from over 20,000 accounts for credit score modeling projects.
  • Identified key customer segments for scorecard enhancement using SAS.
  • Collaborated with international teams to share knowledge on data quality and risk scoring methodologies.
  • Contributed to analytic reports used to predict loan behavior and support risk assessment.
  • Gained hands-on experience with regulatory requirements and data management practices in the financial industry.
SASSAS
Data Analytics

Assessments

Engineering excellence

Lyuben’s overall performance in a 90-minute live technical assessment ranks in the top 25% of vetted Business Intelligence Developers at Proxify.

Education

Sofia University “St. Kliment Ohridski”
Sofia University “St. Kliment Ohridski”
AI in Business and Finance2022 - 2023
American University in Bulgaria
American University in Bulgaria
Computer Science2016 - 2020

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