04/30/2026 updated
60 % partially available
Power BI Lead & BI Consultant | Azure, Databricks, Data Engineering
Košice, Slovakia
Worldwide
Computer ScienceAbout me
Power BI lead and data consultant with strong experience building reporting systems, automation, and end-to-end data pipelines. I’ve worked in enterprise environments and led multiple BI projects across finance, sales, and operations.
Sql Data WarehouseBusiness IntelligenceBusiness Intelligence DevelopmentMicrosoft Business IntelligenceOracle Business Intelligence Enterprise EditionMicrosoft Power BIBusiness Intelligence Development StudioApache SparkSQL Server Business IntelligencePySparkDatabricks
Power BI Lead and BI Consultant with strong experience in delivering end-to-end analytics, reporting systems, and data automation solutions across enterprise and SME environments.
Specialized in Power BI (data modeling, DAX, semantic layer design) and leading BI initiatives that translate complex business requirements into clear, decision-ready dashboards for management and C-level stakeholders.
Background includes work in international enterprise environment at Deutsche Telekom, collaborating with senior teams on KPI frameworks and reporting systems, as well as leading data and BI projects at Aztela.
In parallel, as co-founder of Kasl BI, delivered multiple solutions including:
- Financial reporting and data models for construction companies
- CRM analytics dashboards for sales teams
- Automation of invoice processing workflows
Alongside BI expertise, actively working with data engineering stack (Azure, Databricks, PySpark, ADF, Delta Lake)and capable of designing end-to-end pipelines using medallion architecture.
Strong combination of:
- technical delivery
- business understanding
- project leadership
Focused on building scalable data solutions that reduce manual work and improve decision-making.
CONTRACTING & AVAILABILITY
- Available for EU remote projects
- Operating via registered company (Slovakia, s.r.o.)
- Able to invoice within EU (B2B)
- Flexible start, open to long-term contracts
Experience
Professional experience0 - 5 years
Freelancer since2024
Languages
GermanBasic knowledgeEnglishFluentSlovakFluent
Project history
Worked in enterprise reporting team with senior experts
Designed and delivered KPI dashboards for:
- IT operations
- HR
- executive management
Built reporting logic and business metrics used in decision-making
Gained deep experience in enterprise-scale reporting environments - PowerBI, Fabrics, Azure Databricks
- Led BI and analytics delivery for multiple clients
Key projects:
Financial Reporting (Construction – BK a.s.)
- Designed data models and reporting dashboards
- Delivered financial insights for management
CRM Analytics (Crewnet)
- Built Power BI dashboards for sales pipeline tracking
- Improved visibility of performance and sales process
Invoice Processing Automation
- Automated invoice workflows
- Reduced manual workload significantly
- Led client communication, workshops, and solution design
- Translated business requirements into technical solutions
Led multiple Power BI and data projects end-to-end
Responsible for:
- BI solution design
- stakeholder communication
- requirements gathering
- delivery management
Built dashboards and reporting systems tailored to business needs
Managed project scope and ensured successful delivery