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November 4, 2026
Financial BI Analyst (Power BI & SQL)
Mid • On-site
Poznań, Pl-30, Poland
Quick Facts
Role: Financial BI Analyst (Power BI & SQL)
Focus: financial reporting reconciliation, data validation, and Power BI dashboard development
Description
Work as a Financial BI Analyst combining financial reporting expertise with hands-on SQL and Power BI to investigate discrepancies, strengthen data validation, and improve dashboards used by finance and executive stakeholders.
Responsibilities
Investigate discrepancies by comparing ERP records with downstream data and reports to find missing records, duplicates, timing differences, and inconsistent calculation logic
Design and maintain recurring data validation checks across source systems, databases, Lakehouses, semantic models, and reports
Maintain and extend a Data Reconciliation Dashboard to detect issues before results are shared
Reconcile figures across reports, align business logic, and explain legitimate differences
Follow issues through to resolution by coordinating fixes with relevant specialists; flag or temporarily restrict affected reports when necessary
Maintain and develop Power BI reports: refine visuals, adjust DAX measures, improve performance, and deliver new reports
Improve dashboard usability by consolidating overlapping reports into cohesive executive views
Coordinate technical changes with Data Engineering and the Power BI team to incorporate new data sources and update shared models
Gather requirements, clarify reporting logic, support business users, and create practical guides and training materials
Document KPI definitions, calculations, filters, access rules, and data lineage; provide timely stakeholder updates on changes and blockers
Requirements
Practical experience in financial reporting, finance analytics, or BI supporting finance teams
Solid SQL query-writing skills for reconciliation and discrepancy investigation
Hands-on Power BI experience with semantic models; able to write or adjust basic to intermediate DAX measures
Root-cause analysis skills to trace issues across systems and distinguish technical errors vs business logic differences vs timing effects
Functional understanding of data pipelines and data architecture (databases, Lakehouses, Microsoft Fabric concepts)
Strong English communication skills to explain findings to non-technical stakeholders
Proactive ownership to resolve issues and keep stakeholders informed
Benefits
Long-term, stable contract
Opportunities to strengthen skills in a learning-focused environment
Comprehensive benefits package
Remote-first work environment with hybrid options available
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