Power BI / Data Visualization Specialist

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. We are looking for two Power BI / Data Visualization Specialists to join our team. You will be responsible for developing and maintaining analytical models, creating advanced DAX measures, and designing operational dashboards that support business decision-making. This role involves working in an iterative, Agile environment , delivering high-quality data visualizations and optimized data models. Sounds like your kind of challenge? What you get in return Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.) Hybrid work setup – remote days available depending on the client’s arrangements Collaborative team culture – work alongside experienced professionals eager to share knowledge Continuous development – access to training platforms and growth opportunities Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more High quality equipment – laptop and essential software provided
Requirements:
Advanced Power BI skills, including: DAX (complex calculations, time intelligence, performance optimization) Semantic model design and maintenance Custom visuals and Power Query/M (optional) Strong Excel skills (pivot tables, Power Query, advanced formulas) Experience with Power Platform , especially Power Automate Ability to create clear technical documentation Experience working in Agile/iterative delivery models Strong communication and teamwork skills Nice to Have Knowledge of UX principles for dashboards Experience with Git/repositories and working with APIs Familiarity with workflow automation and integration with SharePoint/Outlook Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.
Must have: Power BI, DAX, Power Query, Excel, Power Platform, Power Automate
Nice to have: UX, Git, SharePoint, Outlook
Daily tasks: - Develop and optimize advanced DAX measures (including VAR, CALCULATE, FILTER, SUMX, iterators)
– Build operational measures such as utilization, performance, and capacity
– Design and implement Power BI visualizations based on business requirements and UX/UI guidelines
– Work with custom visuals and configure dashboards for operational and performance reporting
– Extend and optimize semantic data models (star schema / snowflake), including relationships, hierarchies, and aggregation logic
– Configure Power BI Workspaces, scheduled refresh, and manage Power Query/M scripts
– Implement automation flows in Power Automate to support reporting processes
– Prepare technical documentation (measures, model structure, visualization logic, deployment instructions)
– Collaborate with the team in daily stand-ups and deliver iteratively based on backlog and user stories