Hadoop Developer Resume

OBJECTIVE

Looking for a senior Hadoop Developer position that utilizes my working knowledge of Hadoop, MapReduce and other tools to perform data analytics and improve best practices.

SUMMARY

5+ years of experience in software development having core competency in Hadoop & Java.
2.5 years of experience in Hadoop with very good knowledge on HDFS, MapReduce, Hive, Sqoop, Pig, and Oozie.
Extensive experience in developing MapReduce programs (written in Java and other languages using Hadoop streaming) to handle various types of data sets.
Experience in building Data Models in Hive and leveraging Hive platform to query the structured/semi - structured data.
Handled data flows from Hadoop Distributed File System (HDFS) to any Relational Database System (RDBMS) and vice-versa using Sqoop.
Built workflows in Oozie to stream line several Hadoop Jobs.
Written a MapReduce program in Python to mine the concepts in medical documents.
Implemented SAS Macros in Hadoop platform using Hive.
Having proficiency in Core Java with very good understanding of Spring, Hibernate Frameworks. I have also worked on projects interacting with various relational databases.
Worked on IBM BigInsights distribution of Hadoop.
Expertise in solving the file storing & processing problems in Hadoop Distributed File System.
Having good knowledge of various phases of (Software Development Life Cycle) SDLC Cycle.
Excellent analytical, requirement gathering & programming skills with a strong desire to achieve specified goals.

TECHNICAL SKILLS

BigData Framework: Hadoop and eco system products (Hive, Pig, Sqoop and Oozie) and Spark

Languages: Java, Python, C, C++ and SQL

Scheduling Tool: Oozie

Operating systems: Windows & Linux.

PROFESSIONAL EXPERIENCE

Confidential

Hadoop Developer

Responsibilities:

Gathering and analysing the requirements.
Involving in developing a solution approach.
Importing/Bringing the data from RDBMS servers to Hadoop/HDFS using Sqoop.
Creating and loading tables in Hive warehouse using ORC and Text format.
Writing Hive queries to manipulate the tables data.
Creating UDFs in Hive.
Moving the output tables’ data/files from HDFS to FTP server.
Developed an Oozie workflow to schedule different Hive queries
Preparing Unit Test cases and testing the application.
Coding and bug fixing.
Handled unit testing and worked extensively with testing team to help in system integration testing, UAT before moving to the production.

Confidential

Hadoop Developer

Environment: Hadoop (IBM BigInsights Distribution), Hive, Java, Netezza, Linux and Windows 7.

Responsibilities:

Gathering and analysing the requirements.
Involving in developing a solution approach.
Developing MapReduce program to process the XML files.
Working with different input formats.
Implementing custom data types in MapReduce jobs.
Creating Hive tables and loading data into these tables.
Querying Hive tables to retrieve the data.
Writing Sqoop commands to export the data from Hive to Netezza database.
Developed an Oozie workflow that stream lines several Hadoop jobs.
Efficiently storing and processing huge number of small files.
Preparing Unit Test cases and testing the application.
Coding and bug fixing.
Worked in QC to help testing team to write test cases.
Fine-tuned MapReduce jobs to improve the performance.
Handled unit testing and worked extensively with testing team to help in system integration testing, UAT before moving to the production.

Confidential

Java Developer

Environment: Java, MySQL, NetBeans and Windows.

Responsibilities:

Confidential

ICM Developer

Environment: Cisco UCCE, VoIP, VXML and Visio.

Responsibilities:

Analysing high level design document.
Preparing Low level design documentation.
Developing call routing and management scripts in Cisco ICM.
Writing unit test cases and perform unit test testing using Cisco VoIP desktop telephony.
Debugging and code fixing.
Involved in UAT.
Involved in E2E testing and Production Deployment.

Confidential

Tester

Environment: HP Quality Center, Microsoft Excel, IE Browser, Chrome and Windows.

Responsibilities:

Preparing Unit Test cases, reviewing existing Test cases.
Performing unit testing and functional testing includes the integration testing.
Raising defects in the functionality of the application.
Verifying the defect fixing and performing regression testing.
Co-ordinate the work activities with the team.