BI Developer (Tableau & Snowflake)

ITFS Sp. z o.o.Warszawa, Polennofluffjobspublished 08/19/2026

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Must-have:GitDataWorking Student

Machine translation — original language: Polish.Show original

Work location: 100% remote (occasional visits to the Client's office in Warsaw) Start: up to 30 days notice period Form of cooperation: B2B with ITFS Rate: 100-120 PLN/h net + VAT Recruitment process: Short phone call with an ITFS recruiter -> Interview with the Client -> Decision.

Daily tasks

Replicating existing Tableau reports to new/harmonized Snowflake data products, ensuring functional equivalence with the legacy report before proposing its decommissioning.
Iteratively developing dashboards based on reviews and demos with the business: filters, drill-downs, status breakdowns, trend and variance views, and export functionality.
Supporting the development of the Snowflake analytical layer for assigned pipelines and implementing smaller changes resulting from business requirements.
Creating and maintaining DBT models and storing all code in GitLab, in accordance with team standards.

Requirements

Minimum 1 year of professional experience as an IT/Data Analyst or BI Developer (internships and working student experience also count if they were sufficiently extensive). Practical knowledge of Tableau: calculated fields, LODs, parameters, actions, and basics of dashboard performance optimization. Knowledge of Snowflake and solid knowledge of SQL (joins, window functions, aggregation logic). Basic, practical knowledge of DBT and GitLab. Organized and meticulous approach to report replication and reconciling data and results. Fluent English at B2 level.

Must have: Tableau