Specialist - Data Engineering

Mandatory Karat Interview Big Data Frameworks Expertise Demonstrated high proficiency in Apache Spark architecture including a deep understanding of drivers executors and Directed Acyclic Graphs DAGs Advanced Programming Exceptional coding skills in Python and extensive experience with the PySpark API for developing intricate data transformations and processing logic Querying Schema Management Strong command of Hive QL and ANSI SQL coupled with expertise in data partitioning techniques and effective schema definition Optimized Storage Formats In-depth understanding and practical experience with optimized big data storage file formats such as Parquet ORC and Avro Cloud Ecosystem Development Hands-on development experience utilizing cloudnative big data utilities eg AWS EMR Azure Databricks within major cloud platforms Data Warehousing Fundamentals Solid foundation in Dimensional Data Modeling including Star and Snowflake schemas and practical experience with Data Lakes concepts and implementation

Mandatory Skills : Apache Spark, Big Data Hadoop Ecosystem, Python, Python for DATA, Spark SQL