Alok Sharma

WORK HISTORY

EDUCATION

ABOUT ALOK SHARMA

14+ years of experience in the Development of Business Intelligence solutions using Spark, Hadoop Cloud, Data Warehouse/Data Mart.• Extensive experience in the Development of Business Intelligence solutions using Data Warehouse/Data Mart, ETL, OLAP, Hadoop and Client/Server Applications.• Worked on Amazon Web Services like EC2, ELB, VPC, S3, Cloud Front, IAM, RDS, Route 53, Cloud Watch, SNS, Auto Scaling, Elastic Load Balance, AWS Glue, Dynamo DB, firewalls, routing technologies and DNS, Amazon RDS DB services.• Hands on experience in installing, configuring and using Hadoop ecosystem components like HDFS, MapReduce Programming, Hive, Pig, Yarn, Sqoop, Flume, Hbase, Impala, Oozie, Zoo Keeper, Kafka, Spark.• In - depth understanding of Spark Architecture including Spark Core, Spark SQL, Data Frames, Spark Streaming, Spark MLib and Spark Real time Streaming.• Hands on experience with AWS (Amazon Web Services), Elastic Map Reduce (EMR), Storage S3, EC2 instances and Data Warehousing. • Experience in Maintaining the Hadoop cluster on AWS EMR.• Hands on experience in various Big data application phases like data ingestion, data analytics and data visualization. • Experience in usage of Hadoop distribution like Cloudera, Hortonworks distribution.• Experience in transferring data from RDBMS to HDFS and HIVE table using SQOOP. • Migrating the coding from Hive to Apache Spark and Python using Spark SQL, RDD. Experience in working with flume to load the log data from multiple sources directly into HDFS. • Very well versed in workflow scheduling and monitoring tools such as Oozie, Hue and Zookeeper.• Experience in manipulating the streaming data to clusters through Spark -Streaming. • Experience in analyzing data using HiveQL, Pig.• Experience in NoSQL Column-Oriented Databases like Hbase, Cassandra and its Integration with Hadoop cluster. Experience in writing Pig (version 0.11) scripts to transform raw data from several data sources into forming baseline data.• Expertise in ETL development using Informatica PowerCenter (Designer, Workflow Manager, Workflow Monitor, Repository Manager) for extracting, cleaning, managing, transforming and finally loading data.