Job Description
Responsibilities
- Strong understanding of semantic models used in enterprise reporting and analytics.
- Expertise in dimensional modelling, including star and snowflake schema design.
- Practical experience implementing Slowly Changing Dimensions (SCD) Type 1 and Type 2.
- Ability to translate business requirements into scalable data models.
- Advanced Spark SQL.
- Proficiency in Spark SQL, including complex joins, aggregations, and transformations.
- Strong command over window functions, ranking functions, and analytical queries.
- Ability to troubleshoot performance issues and optimize Spark SQL queries.
- PySpark Development.
- Working knowledge of PySpark for data ingestion, transformation, and workflow orchestration.
- Ability to write and understand basic pyspark functions.
- Basic understanding of Spark architecture, including executors, partitions, and caching.
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