Big Data Hadoop Developer Resume Strongsville, OH - Hire IT People

SUMMARY:

8+ years IT professional experience in software Analysis, Design, Development, Enhancement, Testing, Integration and Support.
More than 4 years of experience in Big Data Hadoop - HDFS, IMPALA, HIVE, OOZIE & SQOOP
More than 3 years of experience in PYTHON, UNIX & SHELL SCRIPTING, SQL and RDBMS
Worked on migrating data from various database sources like ORACLE, TERADATA, MYSQL and DB2.
Worked on BZIP2, GZIP, SNAPPY compression techniques and AVRO, PARQUET file formats on Hadoop.
Worked on moving the data in and out of Hadoop from various RDBMS sources using SQOOP and other traditional data movement technologies.
Worked on various operating systems - Window, UNIX, IBM ZOS and scheduler tools like ENDEVOR CA-7, CONTROL M.
Proficient in Technical, Business Process Flow, people management and Business Analysis.
Extensive Knowledge in requirement gathering, analysis, design, development, implementation, testing, integration deployment, documentation and maintenance.
Experience in Credit Cards and Retail Core Bankingin banking domain.
Possess excellent analytical, debugging and problem solving skills.

TECHNICAL SKILLS:

PROFESSIONAL EXPERIENCE:

Confidential, Strongsville, OH

Big Data Hadoop Developer

Responsibilities:

Analyze business requirements and conduct feasibility study.
Understanding the source system & business logic.
Develop and maintain ETL (Data Extraction, Transformation and Loading) mapping to extract data from multiple sources that comprises of database like Oracle, Teradata, MySQL and flat files and CSV files.
Create customized Hive tables and implement partitioning and bucketing in Hive tables and loading and analyzing data using Hive queries.
Schedule Oozie jobs to run multiple Hive scripts.
Load data from IBM Mainframe DB2 database and Mainframe datasets including VSAM and Flat files.
Develop data pipeline and ingest data using SQOOP from Relational Database systems to Data Lake.
Involved in developing data ingestion framework using Python and Unix Shell Scripts to schedule and triggers Oozie workflows.
Develop and maintainSQL scripts and complex queries for data analysis and extraction.
Tuning of SQL queries for better performance along with maintaining and enhancing the developed components.
Executed Map-Reduce jobs on data stored on HDFS file system to generate reports.
Create SQOOP programs to import and export data from Oracle to Hive Tables. Perform SQOOP eval commands to analyze the source data.
Create Oziee workflows for HIVE scripts and configure and set up OZIEE workflows using CA-7 scheduling.
Deploy codes to Production using GIT Bitbucket, Jenkins and IBM UrbanCodeuDeploy

Confidential, Phoenix, AZ

Mainframe Developer

Environment: COBOL, JCL, DB2, PS Files, DB2, File Aid, Endevor, Xpediter, REXX, Mainframes z/OS

Responsibilities:

Involved with all the phases of Software Development Life Cycle (SDLC) methodologies throughout the project life cycle.
Guiding the processes and standards to be followed by the design, development and testing teams.
Created HLD(High Level Design) and TSD (Tec Spec Design) documents.
Developed COBOL-VSAM as well as COBOL-DB2 programs as per the technical design document.
Modified COBOL online programs and CICS screens to add new functionalities.
Developed JCLs as required for program execution.
Developed NDM jobs for file transmission to various 3rd party vendors.
Used SPUFI to query and analyze the DB2 tables.
Create test environment using Endevor, Changeman and CA-7 tools
Deploy and install components using ServiceNow.
Perform Unit (CIT) and System (SIT)testing. Log and track defects through HP ALM.
Interacting with project stakeholders during project walkthroughs.
Communicating with the Manager on issues pertaining to implementation and suggesting appropriate solutions to the client.
One-point contact for all cross functional teams in determining critical path items and ensuring these are always on track.
Overseeing real time changes in requirements and project execution strategies.