Senior BI Engineer

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you.We are a certified Great Place to Work company.ResponsibilitiesDesigning, modifying, and maintaining Power BI reports in an Azure DevOps version control environmentOptimizing semantic models and DAX queries using tools such as DAX Studio, Tabular Editor, Measure Killer, and Claude CodeDeveloping and maintaining lakehouse infrastructure in Databricks/DBT to support reporting and business needsPreparing and modifying SQL scripts for ad-hoc analysisSupporting team members in implementing best practices in data modelling, coding, and ETL processesWorking closely with other teams/programs to identify business needs and translate them into insightful reports and analysesMaintaining up-to-date documentationSupporting the development of technical skills of other team membersCollaborating within a project team using Jira to plan, monitor, and manage tasks, ensuring effective project deliveryRequirementsMinimum 5 years of experience in Business Intelligence, data visualization, and analyticsStrong proficiency in data modelling, process optimization, and data mart developmentAdvanced 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 completenessOpenness to learning and adapting to new technologies and conceptsKnowledge of Data Governance concepts and Data Mesh architectureNice to haveBasic knowledge of DBT and willingness to further develop in this areaKnowledge of ERP systems and accounting processesCertifications in Power BI, Databricks, DBT, or AzureKnowledge of DevOps practices and experience in process automation (e.g., CI/CD, Infrastructure as Code)Knowledge of financial instruments and marketsWhat we offerReal influence on the development of the company and the product,Work in an experienced team that is happy to share its knowledge,A clear vision of development thanks to regular feedback and clear career paths,Regular team-building meetings.BenefitsA training budget for courses and conferences that interest you,An extra day off on your birthday,An extra day off for parents,Equipment tailored to your needs,Private medical care and group insurance,Access to an e-learning platform for learning English and a benefits platform,Access to a wellbeing platform and the opportunity to take advantage of workshops and private therapy sessions,Remote work, from the office in Warsaw or from a coworking space in your city.