Data Engineer
Team: Data Technology
Location: Warsaw
Commitment: International Full Time Employee
Workplace Type: hybrid
What You'll Do
- Build scalable data product architecture, capable of supporting both internal and external data consumers
- Responsible for modernizing our data frameworks and integrations with Databricks and BigQuery
- Upgrade and reduce toil for developers on Apache Airflow
- Develop and optimize data transformations using Apache Spark (PySpark/Scala)
- Build procedures and guidelines to help teams operate with data
- Identify bottlenecks in our development lifecycle and find solutions to improve them
- Drive innovation throughout the tech org by evangelizing and educating teams on best practices and new technologies
- Work directly with our data teams and FinOps teams to drive efforts that span across teams
- Implement data governance, access control, and auditing using Databricks Unity Catalog
- Build and integrate automated, reusable data validation suites using data quality frameworks (Great Expectations or similar)Implement monitoring and anomaly detection systems for data quality, reliability and performance
- Develop and manage REST APIs to support secure data access, automation, and integration
- Collaborate with data scientists, analysts, and software engineers to deliver governed, reusable data assets
- Implement monitoring, logging, and alerting for data workflows
- Optimize cost and performance of cloud-based data infrastructure
Who You Are
- Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience)
- 5+ years of experience in data engineering or a related role
- Strong hands-on experience with Databricks, Apache Spark and BigQuery or Snowflake
- Proven experience with Modern table formats such as Delta Lake and Iceberg
- A deep understanding of the data lifecycle and how teams operate with data
- Hands-on experience implementing data governance and metadata management using Databricks Unity Catalog
- Experience managing and extending Apache Airflow (custom operators, plugins, infrastructure)
- Experience with Kubernetes
- Solid experience with AWS cloud services, especially S3 and data-related services
- Experience with data validation and data quality principles and working with SLA systems
- Proficiency in Python and SQLExperience with data modeling, data lakes, and lakehouse architectures and a strong understanding of distributed systems and big data processing
- Preferred Qualifications
- Experience with Infrastructure as Code (Terraform)
- Knowledge of CI/CD pipelines for data platforms
- Experience working in Agile/Scrum environments
- AWS, Databricks, or cloud data certifications
- Experience working with data clean room environments, including implementation or collaboration within Snowflake, Databricks, or BigQuery ecosystems
- Experience with streaming data pipelines (Kafka, Flink)
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