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September 21, 2026

BI Specialist (Advanced SQL + Power BI, Excel Reporting)

Mid • Remote

Warsaw, MA, Poland

Quick Facts

  • Role: BI Specialist focused on advanced SQL and advanced Excel reporting
  • Key focus: Internal Excel-based Report Generator, Excel data models, and report automation
  • Reporting: Internal stakeholders and selected external clients

Description

Build and enhance reports in an internal Excel-based Report Generator and gradually support automation of report preparation and distribution. Create and maintain Excel data models that feed reporting needs, and handle selected operational reporting responsibilities for internal and external stakeholders. Use analytical thinking to translate reporting requirements into reliable outputs.

Responsibilities

  • Create and enhance reports in the internal Report Generator
  • Build and maintain data models in Excel
  • Support 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

Requirements

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

Benefits

  • Agile working style with bi-weekly iterations and production-ready deliverables each iteration
  • Cross-functional team with end-to-end responsibility for features (from requirements to production)
  • Emphasis on feedback, continuous improvement, and software best practices
  • Benefits section listed in the posting, but specific items are not provided

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