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Data Engineer at Wirtualna Polska building and monitoring the data processes that feed ML models in its RTB (real-time bidding) system, optimizing data processing and flows at a scale of hundreds of thousands of queries per second. Core stack includes Python and SQL with large data volumes.
Data Engineer responsible for building and optimizing data pipelines for ML models and real-time RTB analytics. The role involves monitoring data quality and processing large volumes of data using SQL and Python in a hybrid work model.
Data Engineer at Wirtualna Polska builds and optimizes data pipelines feeding ML models for a real-time bidding (RTB) ad system, designs columnar storage for analytics and real-time use, and creates data-quality observability tooling. Core stack: Python, SQL, Spark, Polars; ClickHouse/StarRocks, Kubernetes, ArgoCD and Go are pluses.
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