Senior BI Developer

Function:  Data & AI
Location: 

Warsaw, PL

Work Arrangement:  Hybrid

Role Overview

We are seeking a Senior BI Developer experience to lead the development of robust, scalable, and business-relevant Power BI solutions. In this role, you will not only deliver high-impact dashboards and data models but also mentor and guide a team of BI Developers. You’ll play a key role in standardizing best practices, reviewing work quality, and fostering a culture of excellence in data visualization and reporting. This role requires deep technical expertise, strong business understanding, and a passion for enabling a data-driven organization.

Key Responsibilities

Power BI Dashboard Development

  • Design and develop advanced Power BI reports, dashboards, and visualizations tailored to business needs
  • Apply strong UX/UI principles to build intuitive and high-performance dashboards
  • Implement effective DAX logic and filtering strategies to optimize report interactivity and performance

Business Understanding & Stakeholder Collaboration

  • Work with cross-functional business users to understand key metrics and reporting requirements
  • Translate business questions into visual analytics solutions, especially in sales, marketing, and supply chain contexts
  • Support interpretation of data from multiple sources such as internal KPIs, POS data, or CRM systems like Salesforce

Data Integration & Modeling

  • Collaborate with data engineers to align Power BI solutions with underlying data pipelines and warehouse architecture
  • Build and maintain semantic models and data transformations using Power BI Desktop, Power Query (M), and SQL
  • Ensure data accuracy, reliability, and consistency across reports

Mentorship & Team Support

  • Mentor BI Developers by reviewing dashboard designs, DAX logic, and data modeling approaches
  • Provide technical guidance, coaching, and constructive feedback to support their growth
  • Help troubleshoot complex issues faced by junior developers and act as a go-to resource for BI development queries
  • Conduct regular knowledge-sharing sessions and promote best practices in Power BI development

Qualifications & Experience

  • 7–8 years of experience in BI and analytics roles, with at least 3–5 years focused on Power BI development
  • Strong proficiency in DAX, Power Query, and data modeling in Power BI
  • Solid SQL skills for data manipulation, transformation, and performance optimization
  • Experience in working with large datasets and multiple data sources, preferably within a commercial or CPG context
  • Familiarity with Azure-based data ecosystems such as Data Lake, Synapse, or SQL Server is a plus
  • Excellent communication and collaboration skills to work effectively with both technical teams and business stakeholders

Nice to Have

  • Experience with Databricks or similar cloud-native platforms
  • Exposure to Power Platform tools (e.g., Power Automate, Power Apps)
  • Knowledge of embedded analytics or data product development
  • Microsoft Power BI certification or equivalent industry credentials

What We Offer

  • At the heart of our company is a commitment to nurturing growth, health, and happiness. That’s why we offer:
  • Employment contract
  • A flexible hybrid work model with the bonus of shorter Fridays all year long.
  • A birthday gift of a day off—spend it with those who matter most!
  • The freedom to work remotely from EU for up to 30 days annually.
  • A day off for every full year with us (up to five extra days) to celebrate your dedication.
  • Quarterly and annual recognition program that comes with financial rewards.
  • Comprehensive Luxmed medical coverage.
  • Life insurance to keep you and your loved ones protected.
  • A lunch card to fuel your productivity.
  • A Multisport card to keep you active and healthy.
  • Support for your commute (public transport).
  • Exciting product gifts four times a year and opportunities to sample new products.
  • Funding for team bonding and integration activities.
  • Bonuses for life’s special moments (like marriage or the birth of a child) and for long-term service.