Responsibilities   Under the supervision of Big Data Consultants, work with multiple clients simultaneously to implement enterprise-wide scalable operations on AWS Validate technical plans and time estimates for customers with Big Data Consultants Build complex ETL code Build complex SQL queries using MongoDB, Oracle, SQL Server, MariaDB, MySQL, Redshift, Athena Develop code using Python, Scala, PySpark Work with technologies such as Spark, Hadoop, Kafka, etc