SUMMARY

• Around 7 years of experience in all phases of SDLC including Application Design, Requirement gatherings, Development, Testing, Maintenance & Production Support which includes 1+ years of experience in Hadoop / Big Data Technologies.
• Experience in working with BI team and transform big data requirements into Hadoop centric technologies.
• Experience in performance tuning the Hadoop cluster by gathering and analyzing the existing infrastructure/ workloads running on the cluster.
• Experience in automating the Hadoop Installation, configuration and maintaining the cluster by using the tools like CDH manager, Whirr, Ambari.
• Working experience on designing and implementing complete end - to-end Hadoop Infrastructure including PIG, HIVE, Sqoop, Oozie, Flume and zookeeper.
• Experience in software design and development of Object-Oriented Software application with expertise using Java and J2EE technologies.
• Expertise in Mobile based mid-tier, Server side development.
• Involved in the full SDLC of J2EE/Web projects (Analysis, Design, Development, Testing and Deployment).
• Worked on Spring Framework using agile methodology & Hibernate 3.0 with MVC for building web application.
• Good knowledge in working with Collections API, Multithreading and OOPs technologies.
• Experienced in developing HTML, CSS, XML, Python, and Java Script
• Extensive experience in web-based page and site designs using HTML4.0/5, XHTML, DHTML, CSS2/3, Themes, Master Pages, JavaScript and AJAX and JQuery.
• Experience in designing different Case diagram, Class Diagram, State Diagram, and Activity Diagram OOP- Design UI & UX Design in UML.
• Developed various Custom Hive UDF’s ( UDF’s, UDTF’s, UDAF’s) to solve various business requirements,
• Developed various pig scripts / Hive queries to process/generate reports from large data sets.
• Experience in Unit Testing frameworks like JUnit and Spring Mock objects.
• Experience in developing Use Cases, Activity Diagrams, Class Diagrams and Sequence Diagrams using Rational Rose, RAD
• Involved in architectural level meetings with team members, Lead analysts, Business analysts, Project Management and Users for the successful completion of the project.
• Good experience in working under agile/scrum environment.
• Experience in End-to-End automation test suites, Test strategy and Test requirements for bigdata workflows.

TECHNICAL SKILLS

Hadoop Ecosystem Development: HDFS, Hive, Pig, Flume, Oozie, Zookeeper, HBASE and Sqoop

Operating System: Linux, Windows XP, Windows 7, Server 2008

Testing Tools: Genesis, Product Studio, Quality Center, LocTest, JUnitSelenium

Databases: MySQL, Oracle, MS SQL Server, Hbase

Languages: JAVA, PYTHON, Java Script, SQL, PIG LATIN, UNIX shell scripting, Spring, Mule framework, AJAX

Other tools: UML, Design Patterns, IBM Rational Modular

PROFESSIONAL EXPERIENCE

Confidential - Cupertino, CA

Sr. Java/Hadoop Developer

Environment: Hadoop 2.0, CDH4.1.5, HIVE, JSP, JSTL, CSS, DHTML, JavaScript, JSON, HTML CSS, Servlets

Responsibilities:

• Build a production, development and testing cluster on premise/ cloud versions to solve various testing needs.
• Configure the Hadoop properties to gain the high cluster performance by taking cluster hardware configuration as key criteria.
• Developed various UDF’s in Hive & pig for various custom business requirements involving parsing JSON and extracting relevant metadata to implement various statistical metrics.
• Integrated a data assertion stage into the existing Hadoop pipelines associated with the processing of maps data and implemented rules to check the data integrity.
• Responsible for designing front-end as well as back-end.
• Developing software system using HTML, CSS, JavaScript and JQuery.
• Implemented AJAX to enhance the capability of the website.
• Build fully functional applications and website based on business requirements and design specs.
• Wrote JUnit test cases to test Apple internal framework which is used to validate data operations.
• Involved in continuous integration of their data flow using Jenkins and maven.
• Worked in agile development model
• Identify all inputs and their origin when coding and testing.

Confidential

Sr. Java Developer

Responsibilities:

• Involved in (OOAD) Analysis & Design for the project and prepared the technical documents for a distributed architecture at enterprise level.
• Involved in the project conversion analysis, planning, modeling, development and testing.
• Perform maintenance and enhancements for the existing PENTAHO REPORTING application to support the Pershing and Broadridge Conversion and Services.
• Designed and coded WebSphere-based Web Services used to access external financial information, such as real-time balances, real-time quotes, intra-day trades, monthly online statements and financial records.
• Extensively worked on the Iway for interportal communication and changed Iway channels to impliment the processing for the Hipaa obama care
• Worked extensively in front end development using HTML, DHTML, XSL, XSLT, CSS, JAVA

Confidential

Module Lead

Environment: HP Quality Centre, Quick Test Professional, Service Now, Zapp Plant

Responsibilities:

• Instrumental in deployment and support of tools - Quality Center, Quick Test Professional, Performance Center, Device Anywhere, Service Now, Zapp Plant and Leela
• Created an outage management process, Business Continuity plan and Knowledge transfer sessions for tools.

Confidential

Java Developer/SDET-II 

Environment: IIS 7.0, C# 3.5, MOTIF,MITA - Microsoft’s Automation Framework, MS Office 2007/2010, WSS 2010/MOSS 2010/Project Server 2010/Search Server 2010

Responsibilities:

• Involved in architecture, technical analysis and design reviews.
• Front end development by writing JSP pages and applying many UI technologies.
• Developed JavaBeans for the Forms and Action classes for Struts framework.
• Developed Database and SQL mapping using Hibernate.
• Responsible for designing front-end as well as back-end.
• Developing software system using HTML, CSS, JavaScript and JQuery.
• Implemented AJAX to enhance the capability of the website.
• Sole Owner of Click-to-run Office - Involved in the design specifications phase with Microsoft Redmond/Dublin, Test Suite creation, Bug guidelines, logged blocker bugs and ensured a smooth release.
• Offshore lead for Test Focus Group of Microsoft which interacted with all the Application Owners at Onsite & Offshore and drove the entire test collateral maintenance and execution on time.
• Led the Automation team for User Interface, Functional and Setup Automation across all Office Applications.
• Led the Release team for a successful release of Office 2010 Beta2 and Release-to-Market builds

Confidential

Java Developer/ SDET 

Environment: Java, JSP, Servlets 2.5, JQuery 1.x, JavaScript, HTML, Web Services SOAP &REST, C#.NET 2008, .NET FW 3.0, AEAuto, SQL 2008, Manual Test Client, Windows Test Controller, Product Studio

Responsibilities:

• Participated in requirement gathering.
• Involved in architecture, technical analysis and design reviews.
• Front end development by writing JSP pages and applying many UI technologies.
• Developed JavaBeans for the Forms and Action classes for Struts framework.
• Developed Database and SQL mapping using Hibernate.
• Application Development using spring, Hibernate and Core java libraries.
• Applied various Java and J2EE design patterns to solve complex problems.
• Very extensively used Java Collection Framework and String APIs of Java 6.
• Developed user interfaces using Java Server Pages using HTML, AJAX, JSTL, Display Tag, Struts Tag library & JavaScript.
• Created a webpage using CSS3, JQuery, JavaScript to give the page a dynamic look
• Developer web pages using HTML5/CSS3.
• Coordinating with business analysts for analyzing the requirements.
• Implemented a Design Request Change in Manual testing client tool which aided in automatic test results submission
• Developed End-to-End automation of several applications and executed them on a variety of operating systems
• Designed efficient code review matrix and conducted code reviews for automated scripts
• Wrote new test cases, executed, installed operating systems, prepared tests beds, logged bugs, triaged and verified their fixes.
• Extensively performed Sanity testing, Functional testing, system testing and regression testing.
• Signing off the Components for release of the Patches tested
• Created jobs and scripts in WTT.
• Created batch files to install patches and fixes in the various operating systems