Senior BI Engineer

XTB is a Polish brokerage house operating globally since 2005, offering access to thousands of financial instruments such as CFDs on currencies, commodities, stock indices, cryptocurrencies, as well as stocks and ETFs listed on major global exchanges. It holds a brokerage license issued by the Polish Financial Supervision Authority and is one of the largest FX and CFD brokers listed on the stock exchange worldwide. The company is known for its innovative and award-winning xStation platform, fast and professional customer service, and a rich educational package with online courses for investors at all levels.

• Minimum 5 years of experience in Business Intelligence, data visualization, and analytics
• Strong proficiency in data modelling, process optimization, and data mart development
• Advanced knowledge of Power BI (DAX, DAX Studio, Tabular Editor)
• Experience managing Power BI environments, working with .pbip files, and version control systems (e.g., Git)
• Hands-on experience in cloud environments (Databricks, Azure)
• Experience implementing data quality controls and validation processes to ensure accuracy, consistency, and completeness
• Openness to learning and adapting to new technologies and concepts
• Knowledge of Data Governance concepts and Data Mesh architecture

Nice to have:

• Basic knowledge of DBT and willingness to further develop in this area
• Knowledge of ERP systems and accounting processes
• Certifications in Power BI, Databricks, DBT, or Azure
• Knowledge of DevOps practices and experience in process automation (e.g., CI/CD, Infrastructure as Code)
• Knowledge of financial instruments and markets

• Designing, modifying, and maintaining Power BI reports in an Azure DevOps version control environment
• Optimizing semantic models and DAX queries using tools such as DAX Studio, Tabular Editor, Measure Killer, and Claude Code
• Developing and maintaining lakehouse infrastructure in Databricks/DBT to support reporting and business needs
• Preparing and modifying SQL scripts for ad-hoc analysis
• Supporting team members in implementing best practices in data modelling, coding, and ETL processes
• Working closely with other teams to identify business needs and translate them into insightful reports and analyses
• Maintaining up-to-date documentation
• Supporting the development of technical skills of other team members
• Collaborating within a project team using Jira to plan, monitor, and manage tasks, ensuring effective project delivery