About this role

Senior Tableau Developer (f/m/x) Sii Polska Daily tasks: - Translate business needs into clear technical dashboard requirements and visual concepts - Design data model specifications and cooperate closely with Data Engineering teams - Build intuitive, scalable Tableau dashboards aligned with modern UI/UX standards - Optimize dashboard performance for large datasets using Tableau best practices - Validate dashboard logic and data accuracy using advanced SQL - Support deployment across Development, Staging, and Production environments - Lead UAT activities and secure final business sign-off Musts: Tableau Desktop, Tableau Cloud/Server, Tableau Prep, RLS, SQL, Star/Snowflake At least 6 years of experience in BI/Tableau development Expert knowledge of Tableau Desktop, Tableau Cloud/Server, and Tableau Prep Strong SQL skills, including window functions, CTEs, and complex joins Experience with performance optimization, calculated fields, parameters, and row-level security Good understanding of data warehousing, dimensional modeling, and Star/Snowflake schemas Previous work with enterprise Dev/Prod publishing pipelines Very good English communication skills and a consultative approach to stakeholders Working 2 days per week from the office in Cracow Nice-to-have requirements Experience with user acceptance testing (UAT) and leading UAT sessions We are looking for an experienced Senior Tableau Developer to join a Data & Analytics team on a contract basis.

The person in this role will be responsible for designing, developing, validating, and releasing high-quality Tableau dashboards for marketing and commercial business intelligence products.

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