Uma R Email and Phone Number

Dynamic and motivated IT professional with 6+ years of experience as a Data analytics with expertise in designing data-intensive applications using Data lake (AWS, Azure, Snowflake, OCPQ), Data Warehouse, Hadoop Ecosystem, Big Data Analytical, Data Visualization, Reporting, and Data Quality solutions for Telecom, Financial institutions in Billing, IN and VAS, CRM, CC, HRIS, ML, AI, DL, RDBMS, ERP, POS & Data Analysis. I specialize in the big data ecosystem, Cloud SQL, and Python technologies. My expertise includes designing, developing, operationalizing, and maintaining complex data applications at enterprise scale. I’ve expertise in parallel processing frameworks such as Spark and MapReduce, and distributed/object stores like HDFS and S3, and data analytics and big data services in AWS Cloud (EMR, Redshift, S3, Athena, Glue etc..,).I’ve implemented PySpark pipelines that improved data processing speed by 30%, enabling real-time decision-making for marketing teams. I’ve developed production-ready Spark applications using Spark RDD, Data Frames, Spark-SQL, and Spark-Streaming APIs, as well as Spark-SQL in Databricks for data extraction, transformation, and aggregation from multiple file formats (Parquet, ORC, Avro, and JSON) to uncover customer usage insights. I’ve imported and exported data using Sqoop between HDFS and Relational Database Systems