SUMMARY

• Over 8 years of professional experience in IT, including 2+ years of work experience in Hadoop Eco system.
• In depth understanding/noledge of Hadoop Architecture and various components such as HDFS, Job Tracker, Task Tracker, Name Node, Data Node and MapReduce concepts.
• Well versed in installation, configuration, supporting and managing of Big Data and underlying infrastructure of Hadoop Cluster.
• Hands on experience on major components in HadoopEcosystem like HadoopMap Reduce, HDFS, HIVE, PIG, HBase, Sqoop, Oozie and Flume.
• Experience with Oozie Workflow Engine in running workflow jobs with actions that run Hadoop Map/Reduce and Pig jobs.
• Experience in managing and reviewingHadoop Log files.
• Extending Hive and Pig core functionality by writing custom UDFs.
• Experience inHadoopadministration activities such as installation and configuration of clusters using Apache and Cloudera.
• Hands on experience in designing and coding web applications using Core Java and J2EE technologies.
• Experienced the integration of various data sources like Java, RDBMS, Shell Scripting, Spreadsheets, and Text files.
• Experience in Web Services using XML, HTML and SOAP.
• Excellent Java development skills using J2EE, J2SE, JUnit, JDBC and C++.
• Extensive experience in developing components using JDBC, Java, Oracle, XML and UNIX Shell Scripting.
• Ability to blend technical expertise with strong Conceptual and Analytical skills to provide quality solutions and result - oriented problem solving technique and leadership skills.

TECHNICAL SKILLS

Big-Data /Hadoop Technologies: HadoopEcosystem HDFS, Map Reduce Hive, Pig, HBase, Zookeeper, Sqoop, Oozie, Flume and Avro, Tableau.

Web Technologies: Java, JDBC, XML, AJAX, SOAP

Methodologies: Agile, UML, Design Patterns (Core Java and J2EE)

Programming Languages: Java, C++, XML, Unix Shell scripting, HTML.

Database Systems: Oracle 11g/10g, MS-SQL Server, MySQL, MS-Access

Web Services: Web Logic, Web Sphere, Apache Tomcat

Operating Systems: Windows-8/7/XP/2000/NT, UNIX, Linux (CentOS, Ubuntu), and DOS, Eclipse IDE, Visual Studio

PROFESSIONAL EXPERIENCE

Confidential, San Jose, CA

Hadoop Developer

Responsibilities:

• Successfully completed the POC and created that into a project for data migration and analysis.
• Sqooped the required business views from Teradata and loaded into respective table into hive and MapR DB.
• Developed Hive queries for the business use case and optimized the queries.
• Implemented partitioning and dynamic partitioning on hive tables for faster search.
• Benchmarked Impala to Hive on performance for the respective business use case.
• Integrated Hive table with MapR DB tables for OLTP transactions.
• Created a UI which fetches data from the MapR DB table and updates it if modified in the UI and reflect back in the search.
• Scheduled sqoop jobs for the incremental load based on the business requirement from Teradata.
• Written shell scripts for automation of the queries to a certain point in the business use case.
• Projected the results on Tableau Dashboard connected to the Hive tables and prepared reports for delivery.
• Written QA test cases as a part of Agile unit testing process for processing of data and persistence.
• Trained team members with non-hadoop background to understand the work flow and tools involved.

Environment: Teradata, Sqoop, Hive, MapR DB, Tableau, Platfora, Java, Shell scripting, Impala.

Confidential, San Diego, CA

Hadoop Developer

Responsibilities:

• Experienced with Hive queries to categorize data of different networks.
• Used Hive, Pig to perform weekly processing
• Integrated the Hive warehouse with HBase.
• Involved in loading data from LINUX file system to HDFS.Written customized Hive UDFs in Java where the functionality is too complex.
• Implemented Partitioning, Dynamic Partitions, Buckets in Hive.
• Designing and creating Hive external tables using shared Meta-store instead of derby with partitioning, dynamic partitioning and buckets.
• Responsible to manage the test data coming from different sourcesReviewing peer table creation in Hive, data loading and queries.
• Experienced in data wrangling, data Modeling, data Cleaning, mode performance & visualization
• Monitored System health and logs and respond accordingly to any failure conditions.
• Gained experience in managing and reviewing Hadoop log files.
• Involved in scheduling Oozie workflow engine to run multiple Hive and Pig jobsinvolved unit testing, interface testing, system testing and user acceptance testing of the workflow tool.

Environment: Hadoop, HDFS, Hive, Map Reduce, Core Java, Pig, MySQL, Tableau.

Confidential

Responsibilities:

• Windows Multimedia Radio Interface Layer driver is interface between MSFT-RilProxy and QCOMM-Modem.
• Involved in feature design, development, and integration and fixing bugs for WMRIL on Window Phone (C++, WIN32). Created off target and on target test cases as required.
• Involved in code development to process modem indications, IHVRIL design changes and CRs.
• Hands-on experience on WMRIL debugging with WCDMA, LTE, CDMA, WLAN, IMS on OTA, Agilent
• As bring up guy for WMRIL made device to camp on network and make voice call, sms with/without UI for all chipsets. Did for both 32bit/64bit processors much ahead of timelines.
• Owns and drives the WMRIL component integration with Continuous Integration system
• Did complex configurations on devices to camp on 3gpp, 3gpp2 networks using QCN on OTA, Agilent
• Experienced in creation and configuration of unit test automation for nightly execution on driver code.
• Involved in code development, integration and fixing bugs for MMRIL, WMRIL on Window Phone7 (C++, WIN32).
• Owns and drives the MMRIL, WMRIL component integration with Continuous Integration system
• Did Dev12 and Dev14 movement of WMRIL project transition involve making changes to code and project files with new dev compiler and WPK tools.
• Ramped up very quick on making Voice Call for new WP7 OS, less than 6 weeks.
• Reachable team member for all new development, configuration, and device setup, network camping, automation issues, log triage.

Environment: C++, Windows Phone, WOA, VS2013

Confidential, Warren, NJ

Software Engineer/Consultant

Responsibilities:

• Involved in remediating, development of the requirements for the Sync and Connect Application.
• Led the development of SnC for different targets like Android, WebOS, WM
• Analyzing and identifying the current requirements architecture, design and remediation.
• Coordinator for SyncML client implementation for Android, Windows Mobile

Environment: Android, Windows Mobile, PalmOS, Eclipse, SQLite

Confidential, Irving, TX

Software Engineer/Consultant

Responsibilities:

• SDE in SSPGUI, Development of new enhancements and CR fixing.
• Identified the root cause for the issues, fixing the code-defects, led the team of three for providing assistance to the Client team in implementing web based migration project for the same SSPGUI.
• Involved in technical write up of the root cause of the issues/ solution for the issue.
• Contributed in resolving the customer support issues in quick turnaround time.
• Involved in requirements gathering, design of new enhancements which keeps on coming quarterly basis w.r.to market plan/package, billing logic changes.
• Also part of SSPGUI support team for production environment support, involves fixing and redeployment of code within production environment.

Environment: C#, Windows GUI, SQL Server

Confidential

Senior Software Engineer/Consultant

Responsibilities:

• Worked on CCAD Features enhancement and OEM customization.
• Responsible for technical delivery for CCAD, MailMgr, Outbound calls, Voice, Email enhancements.
• Had good rapport with customers although the project development and migration
• Has worked on bringing down the defects to less than 10 in the components me own.
• Ensured all deliverables are executed across the software development life cycle.
• Worked with clients of Nortel to support CCMA, CCT, CCAD application deployment and bug fixing.
• Has used Nortel tools IDCE, Clarify, Contact Scanner, CMF Viewer, CS2001 Switch.
• Performed Unit testing, Interface testing, System testing, Regression Testing, Performance analysis and memory leak checks as an integral task
• Led the team of four with delivery responsibility of client assigned tasks.
• Travelled to Ireland to understand Nortel CCAD environment, to showcase the technical capabilities of the team and responsible for deployment of same environment at India development center.

Environment: C++, C#, JAVA, SQL Server2000, VS2003

Confidential

Senior Software Development Engineer

Responsibilities:

• Part of the bring up team and executed prototype for Next Generation Platform
• Showcased synchronization of contacts from phone to desktop application and net portal.
• Used different protocols like SyncML, OBEX, and Bluetooth to implement the solution.
• Involved in Requirements study, design, Coding, UT of synchronization of contacts, images.
• Had a very good experience in coding for socket programming and SyncML protocol in dis project and also the interface design experience which me think is crucial.
• Involved in developing the module for different phases for 7 months.
• Performed Unit testing, Interface testing, System testing, Regression Testing, Performance analysis and memory leak checks as an integral task

Environment: VC++, C#.NET, Socket Programming, VS2005, Confidential specific devices

Confidential

Senior Software Development Engineer

Responsibilities:

• Configuration Module for the Vista XPS Filter Driver based on Printer Abstraction Layer framework
• Responsible for Developing COM based Plugin using XPS path interfaces
• Implemented interfaces to Integrate with existing Confidential printer driver code
• Coded transformations of data item mappings of legacy print items to Vista specific driver required elements.
• Responsible for Development of Winfx application using C#.Net Responsible for Configuring DTM controller, Client, Cruise Control.
• Coded parsers to code/decode data elements of XAML, MSXML.3.0 print filters.

Environment: VC++, C++, COM, C#.Net, VS2005, Vista Beta2, Vista RC1

Confidential

Software Development Engineer

Responsibilities:

• The application enables pre-selling & van selling with logistics planning, collecting of data inside a store, multi-point delivery, setting and tracking of seller goals, best order suggestion, product allocation etc., with Microsoft.Net supported mobile device like Pocket PC2003.
• Responsible for Developing Synchronization module using xml templates
• Implemented client side Connection manager using TCP/IP, http, https, to synchronize data between servers and client (device) database.
• Coded UI and database layer on PPC2003 using C# CF.
• Responsible for coding SSL authorization and authentication module using EVC++
• Created system test cases, Unit Test cases, participated in design reviews, code reviews.

Environment: C# Compact Framework, Windows CE, POCKET PC SDK 2003, EVC++, Visual SourceSafe, SQL Server 2000, SQL Server CE