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Data Engineer - Customer Value and Digital Engagement Department @ T-Mobile Polska

Warszawa, mazowieckie💼 Full-time🗓 2026-06-17 → 2026-08-08

Core

Designing, maintaining, and migrating data warehouse solutions from Oracle to Google Cloud Platform to support business analytics and reporting.

Role type

Senior Data Engineer (Data Warehouse & Cloud Migration)

Builds

Data warehouse infrastructure, ETL pipelines, and cloud-based analytical solutions for T-Mobile Polska.

Domain

Telecommunications / Data Engineering

Deliverable

production ML models | product features | dashboards & analysis

Required skills

Oracle database design, SQL/PL/SQL, ETL process design, Google Cloud Platform (GCP), BigQuery, Airflow, data modeling

Preferred skills

Telecommunications industry experience, Agile/SCRUM methodologies

Technologies

Oracle, GCP, BigQuery, Airflow, SQL

Responsibilities

Collaborate with business units to analyze analytical and reporting needs; Design and maintain ETL processes within the Oracle data warehouse; Support the migration of existing solutions to GCP; Prepare reporting data for other systems.

Seniority

Mid-Senior, hands-on IC

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