2 of 2 MapReduce Jobs in England

stored procedures, and performing performance tuning. Big Data Concepts Foundational understanding of Big Data architecture (Data Lakes, Data Warehouses) and distributed processing concepts (e.g., MapReduce). ETL/ELT Basic knowledge of ETL principles and data modeling (star schema, snowflake schema). Version Control Practical experience with Git (branching, merging ...

clusters Write scalable ETL processes using tools like Hive Pig and Spark Develop and maintain data ingestion processes using Sqoop Flume or Kafka Optimize MapReduce jobs and manage HDFS storage Collaborate with data scientists and analysts to support data needs Ensure data security and compliance with organizational policies Create ...