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Designs and builds scalable data pipelines and Lakehouse architectures using Azure Databricks, Spark, and Azure Data Factory to integrate diverse data sources.
Leads a team building and optimizing large-scale data pipelines using Scala and Spark in cloud environments, balancing hands-on engineering with mentorship and project delivery.
Builds scalable reporting solutions using Apache Spark, creating ETL/ELT pipelines in a hybrid role based in Warsaw.
Build and maintain ETL pipelines and data-sharing integrations using SQL Server, Kafka, and APIs to connect disparate systems and enable cross-application data flow.
Build and maintain scalable cloud data pipelines on AWS using Terraform and Python, focusing on ingestion, transformation, and validation in containerized environments.
Builds and maintains data pipelines to migrate SAP data into Snowflake using SNP Glue, ensuring data quality and integration for a global tech client.
Senior Data Engineer builds and maintains data platforms and optimizes ETL pipelines using Databricks and SQL for an AML/FCU platform.
Builds and maintains the core data engine of PRTG monitoring software using Rust/C++ and networking fundamentals.
Builds and optimizes large-scale data pipelines using Scala and Spark, processing big data sets for distributed systems.
Build and maintain data pipelines and infrastructure for AI solutions, working with Spark, Python, and LLMs to support machine learning models and predictive analytics.
Build production-grade AI systems using GraphRAG and knowledge graphs; design and implement graph-database-backed pipelines in Python.
Builds and maintains Azure-based data pipelines with Databricks, using SQL and cloud services to support data workflows.
Build and optimize cloud ETL/ELT pipelines using Databricks, Delta Lake, and Python/SQL to power data warehousing for analytics teams.
Build and maintain cloud-based ETL/ELT pipelines and data platforms using Python, SQL, and Spark to deliver analytics-ready data for business decisions.
Builds scalable ELT pipelines in BigQuery and dbt for public transit data, integrates real-time GTFS feeds, and delivers QlikSense dashboards for agencies and stakeholders.
Designs and maintains ETL pipelines and analytics for financial services using SQL, Elasticsearch, Kubernetes, and Python, then builds dashboards in Power BI or Tableau.
Builds and maintains data pipelines and infrastructure on Azure Databricks to feed BI, trading, and risk systems with reliable, analytics-ready data.
Builds a semantic layer and migrates Power BI logic to an open-source analytics stack using SQL, Python, and Airflow in a hybrid role.
Builds and maintains data pipelines and analytics platforms using SQL, Python, APIs, and cloud services to power AI-driven communications insights.
Senior Data Engineer builds and maintains scalable data pipelines for Allegro’s ecommerce platform using Spark, Kafka, and Beam on hybrid cloud (GCP Dataflow, BigQuery).
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