Senior Power BI Lead - Hybrid (Kraków)

Aon plc; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Aon sp. z o.o. in Kraków seeks an experienced Senior Power BI Developer to design, build, and optimize BI solutions supporting key business decisions. You will own reporting lifecycles from requirements to delivery, collaborating with data engineers and business leaders.

The role emphasizes scalable dashboards, advanced DAX, data governance, and performance tuning in a hybrid 50/50 office model in Kraków. Strong communication is essential.

Qualifications

• Bachelor’s degree in a quantitative field and 5+ years of Power BI development in a corporate setting.

Responsibilities

• Design, develop, and maintain scalable Power BI solutions for performance insights and business questions.
• Own reporting solutions from requirements gathering through delivery and support.
• Build interactive reports, dashboards, semantic models, data marts, and reusable assets.
• Develop DAX measures, calculated columns, KPIs, and data models.
• Work with SQL, data warehouses, cloud platforms, and Databricks for data preparation.
• Improve report performance and data quality through optimization and governance.
• Collaborate with leaders to translate analytics needs into actionable insights.
• Partner with data engineering to improve pipelines and ensure data reliability across reports.

Skills

Power BI

DAX

Power Query

SQL

Dimensional modeling

Star/Snowflake schemas

Stakeholder storytelling

Data governance

Python

R

Azure Data Platform

Education

Bachelor’s degree in Data Analytics, Computer Science, Information Systems, Mathematics, Statistics, or related field

Tools

Databricks

Azure SQL

Azure Synapse Analytics

Azure Data Lake

Power BI Desktop

Power BI Service

Job description

Aon sp. z o.o. in Kraków seeks an experienced Senior Power BI Developer to design, build, and optimize BI solutions supporting key business decisions. You will own reporting lifecycles from requirements to delivery, collaborating with data engineers and business leaders.

The role emphasizes scalable dashboards, advanced DAX, data governance, and performance tuning in a hybrid 50/50 office model in Kraków. Strong communication is essential.