BI Specialist: Advanced SQL, Power BI & Excel Data Modeling

KMD Poland; Warszawa; On-site; PLN 120,000 - 180,000; Full time

Job summary

KMD Poland is seeking a BI Specialist to leverage SQL, Excel, and Power BI to build sophisticated internal reports and automate reporting processes. You will work with an internal Report Generator, develop data models in Excel, and collaborate with teams across the organization to deliver accurate insights.

The role emphasizes analytical thinking, practical data experience, and a willingness to work with AI and REST APIs as needed.

Qualifications

• Intermediate to advanced SQL skills.
• Advanced Excel knowledge, including data modelling and connections.
• Practical experience working with data.
• Strong analytical and problem-solving capabilities.
• Experience working with reporting is an advantage.
• Power BI knowledge is an advantage.
• Experience using AI and working with REST APIs is an advantage.

Responsibilities

• Create and enhance reports in the internal Report Generator.
• Build and maintain data models in Excel.
• Support the long-term automation of report preparation and distribution.
• Prepare and distribute reports for internal stakeholders and external clients.
• Apply analytical thinking to data and reporting requirements.

Skills

SQL skills

Advanced Excel

Data modelling

Analytical thinking

Tools

Power BI

REST API

Report Generator

AI tools

Job description

KMD Poland is seeking a BI Specialist to leverage SQL, Excel, and Power BI to build sophisticated internal reports and automate reporting processes. You will work with an internal Report Generator, develop data models in Excel, and collaborate with teams across the organization to deliver accurate insights.

The role emphasizes analytical thinking, practical data experience, and a willingness to work with AI and REST APIs as needed.