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Big Data Engineer Resume

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Austin, TX

EXPERIENCE SUMMARY:

  • 12 Years of diverse experience in various phases of Information Technology (Development, Testing and Support). Good experience in Healthcare, Finance, Communication and Insurance domains. Currently working as Big Data Engineer.
  • Overall 2 years in Big Data aspiring for a Data Engineer role in Illinois.
  • Self - motivated, willing to assume responsibilities, a strong team player with great leadership qualities as well as comfortable individual with excellent communication and analytical skills.
  • Self-starter and ability to adapt and learn new things quickly.
  • 8 years of experience from Confidential Technology Solutions in Analytics and Information Management - ETL Programming, Big Data Programming, Data Analysis
  • Good programming skills in Pig Scripting, Hive, Unix Shell Programming. Immense usage of Hadoop commands.
  • Good experience in Apache Flume and Kafka.
  • Currently in the process of pursuing Apache Spark Certification.
  • A total of 3 years and 3 months of work experience from Convergys Information Management as Database and ETL programmer
  • Strong working experience in the data analysis, SQL design and development, implementation and testing of data warehousing using extraction, transformation and loading (ETL) and SQL server and Oracle.
  • Extensive experience working in Oracle PL/SQL, Teradata SQL.
  • Good experience in the ETL tool Oracle Warehouse Builder.
  • Worked on estimations in arriving Confidential level of effort for projects.
  • Extensively used Control-M, which manages the data warehouse job, schedules.
  • Good experience in performance tuning of Oracle SQL/PLSQL procedures and OWB mappings.

TECHNICAL EXPERTISE:

  • Data Warehouse (ETL) and Business Intelligence
  • Oracle SQL/PL-SQL
  • Big Data - Hadoop, Hive QL, Pig scripting, Hbase, Kafka, Flume, Apache Spark, Yarn, Apache Cassandra
  • Python Programming
  • UNIX Shell Scripting
  • Cognos Reports
  • SQL Server
  • Teradata SQL
  • Oracle Warehouse Builder
  • VBA - Excel Macros
  • Autosys
  • CONTROL - M
  • PLSQL-Developer, Toad, Teradata SQL Assistant.
  • ORACLE CERTIFIED ASSOCIATE (OCA) for PLSQL
  • HP Quality Center
  • Rally, Jira

PROFESSIONAL EXPERIENCE:

Big Data Engineer

Confidential, Austin, TX

Technology: Apache Flume, Kafka, PySpark, Spark SQL, Dataframes Cassandra, Unix Shell Programming, Yarn, Ambari, Hortonworks

Responsibilities:

  • Design and Develop modules in Spark with Python using Data frames and deploy them in hadoop cluster.
  • Parse data in various formats and ingest into Hive using Dataframes.
  • Use Flume Services to Channelize Streaming Wifi Log Data to Kafka and HDFS
  • Populate Cassandra/Hive Layers using Spark Streaming with Pyspark.
  • Store Kafka offsets in Cassandra.
  • Written data validation routines for realtime data coming out of Kafka.
  • Ambari Cluster Monitoring - Spark, HDFS, Yarn, Zookeeper services
  • Provide System Health Report to key stakeholders
  • Code deployments into the cluster - Spark, Kafka, Flume
  • Deploy Cassandra and Oracle DDL's
  • Update configs for Flume, Kafka, Spark Jobs
  • Technical Trouble Shooting of Issues in Spark, HDFS, Kafka, Flume and Cassandra clusters
  • Back up, Log and System cleanup - Clean up spark history logs, spark local cache and logs
  • Automate DevOps Activities - Code deployments, Yarn Cleanup, Zookeeper cleanup

ETL/Big Data Engineer

Confidential, Chicago, IL

Technology: Hive, Hbase, Teradata, Pig Scripting, Unix Shell Scripting, Hadoop

Responsibilities:

  • Develop Ingestion scripts using Pig and Sqoop to ingest data into HDFS, Hive and Hbase
  • Create Hive managed and external tables
  • Create Unix wrapper scripts to reconcile source and target data before ingestion into HDFS
  • Extensive usage of Hadoop commands
  • Pull Data from RDBMS(Teradata and Oracle) Using Sqoop.

Confidential

Big Data Engineer

Technology: Oracle9i-SQL, PL/SQL,PLSQL Developer, OWB, Unix Shell Scripting

Responsibilities:

  • Developing PLSQL modules for Enterprise Data Warehouse
  • Deploy OWB mappings for transformations to be loaded into the enterprise data warehouse. Trouble shoot data related issues in OLAP applications and reporting.
  • Use UNIX shell scripts to execute these mappings.
  • Use Control-M to schedule these scripts Confidential various intervals.
  • Update the code with a new version in Synergy (Version Control Repository).
  • Performance optimization of SQL statements and ETL to reduce the performance overhead in OLAP databases.
  • Involved in Support and Maintenance of the project after implementation in production.
  • Work on Investigation and Incident requests and give the resolution with bug fix as early as possible.
  • Document the DRD document after the completion of the development/fix.
  • Upload the documents to the WMS system which is the central repository.

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