BI & Big Data DeveloperLocation: Rancho Cordova, CADuration: 9+ monthsOnsite RoleClient is looking for a BI and big data developer who has experience in Apache Spark data lake and delta lake development in PySpark. In addition, this developer should also know Oracle SQL programming.Responsibilities and Duties:Develop ETL and ELT processes using various data sources including from/to SQL and Oracle databases and Apache Spark Data Lake and Delta LakeDevelop and maintain Python code (PySpark) for Apache Spark data lake and Delta Lake management and queriesDesired Technical Knowledge:Languages:Python including PySparkT-SQL / SQLApache Spark, Apache Airflow, and related technologiesMicrosoft SQL ServerCloud Technologies such as Azure and AWSRegards,SangeethaWest Advanced Technologies, Inc.Serving government agencies for 22 Years