Senior Data Engineer – BigQuery, SQL & Spark
norton blake · Dubai
وصف الوظيفة
About the role
We are looking for a hands‑on Senior Data Engineer to join a major data transformation programme in Dubai. The role is delivery‑focused, working with existing production pipelines, understanding end‑to‑end data flows and assessing the impact of changes across complex environments.
Key responsibilities
- Maintain and enhance production ETL/ELT pipelines built on Google BigQuery, Spark and PySpark.
- Analyse data flows from source systems through extraction, transformation, loading and downstream consumption.
- Perform impact analysis and dependency tracing to identify downstream effects of schema or data changes.
- Design and execute regression testing and validation of data pipelines.
- Estimate remediation effort and create prioritized, timeline‑based delivery plans.
- Document pipeline architecture and manage version control.
Required profile
- Strong hands‑on experience with Google BigQuery.
- Expert‑level SQL skills, including complex queries, joins, CTEs and window functions.
- Solid knowledge of Spark and PySpark fundamentals.
- Proven experience building and supporting production ETL/ELT pipelines.
- Experience with schema migrations, impact analysis and dependency tracing.
- Ability to conduct regression testing and produce detailed documentation.
Required skills
- Google BigQuery
- SQL
- Spark
- PySpark
- ETL/ELT pipelines
- Impact analysis
- Dependency tracing
- Schema migrations
- Regression testing
- Version control
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norton blake
Dubai