Senior BI Engineer: AI-Driven Analytics & Fabric Expert

OEC; Babsk, Kraków; On-site; PLN 180,000 - 240,000; Full time

Job summary

OEC is expanding its data analytics team in Poland to design and build end-to-end data pipelines using Microsoft Fabric and related Azure services. The role focuses on data modeling, ETL/ELT, and creating insightful Power BI reports to support business decisions.

We seek engineers with 6+ years in BI/Data Warehouse, strong T-SQL, PySpark, and English proficiency, plus experience with Fabric and cloud data platforms. Opportunity to influence analytics product direction.

Qualifications

• Degree in CS/SE/Math or related field with strong BI/Data Engineering background.
• At least 6 years of experience in BI, Data Engineering and Data Warehouse development.
• Hands-on experience with Fabric and MS Azure platform components as listed.

Responsibilities

• Design and implement end-to-end data engineering pipelines using Microsoft Fabric.
• Build and maintain Delta Lake–based data models stored in OneLake with ACID and governance.
• Develop and optimize T-SQL queries, stored procedures, and SQL analytics endpoints.
• Implement ETL/ELT processes using Fabric Pipelines, Dataflows Gen2, and PySpark Notebooks.
• Design and develop Power BI semantic models, dashboards, and reports.
• Contribute to AI-powered analytics agents embedded in OEC products.
• Own dashboards and reports driving key business decisions; mentor mid and junior engineers.
• Create and maintain documentation of processes, data models and procedures.

Skills

Microsoft Fabric

Power BI

T-SQL

Python

PySpark

Data Modeling

ETL/ELT

Delta Lake

OneLake

GitHub CI/CD

Agile

English (Advanced)

Education

Bachelor's degree in Computer Science / Software Engineering / Mathematics

Master's degree in related field

Tools

Fabric Notebooks

Data Factory Pipelines

Data Warehouse

Azure Data Factory

Power BI Desktop

Azure SQL

Azure Blob Storage

Entra ID

Job description

OEC is expanding its data analytics team in Poland to design and build end-to-end data pipelines using Microsoft Fabric and related Azure services. The role focuses on data modeling, ETL/ELT, and creating insightful Power BI reports to support business decisions.

We seek engineers with 6+ years in BI/Data Warehouse, strong T-SQL, PySpark, and English proficiency, plus experience with Fabric and cloud data platforms. Opportunity to influence analytics product direction.