SUMMARY:

• Building competitive intelligence and analyses around Big Data made by the successful installation, configuration and administration of Hadoop ecosystem components, machine learning and advanced data processing using Scala and R.
• 15+ years of experience in all stages of Software engineering and Software Development Life Cycle - System Study, Analysis, Design, Development and Implementation of core Business Software and Enterprise Applications using Windows and web-related tools.
• Lead our customer teams in architecture guidance wide range of topics including tool selection.
• 3+ year’s development experience in Hadoop ecosystem components.
• Worked on both Cloudera, Hortonworks platforms and plain apache versions too
• Helped with deployments Hadoop Eco system onto cloud(AWS/AZURE)
• Capable of processing large sets of structured, semi-structured and unstructured data and supporting systems application architecture.
• Able to assess business rules, collaborate with stakeholders and perform source-to-target data mapping, design and review.
• Familiar with data architecture including data ingestion pipeline design, Hadoop information architecture, data modeling and data mining, machine learning and advanced data processing. Experience optimizing ETL workflows.
• 3 years of experience in Java, R, Python and Scala
• 11 years of experience in .Net Framework Architecture, .Net Application Architecture, Web Services Architecture, Microsoft VS .Net Development Environment, C#, VB .Net, ASP.Net, Web Services, Web API’s, ADO .Net, LINQ.
• Have excellent skills in developing code for database applications, extensively used LINQ, ADO.NET access data from RDBMS databases like SQL Server, Oracle 9i and MS Access.
• Experience/Knowledge about the version controlling tools such as Visual Source Safe, TFS and PVCS.
• Strong organizational and management skills

TECHNICAL SKILLS:

Big Data Ecosystems: Hadoop, MapReduce, HDFS, HBase, Zookeeper, Hive, Pig, Sqoop, Cassandra, Oozie, Flume, Spark, Machine level algorithms and R, Kinesis,Lambda, S3, EC2, VPC, Redshift, IAM, EBS, Cloudfront, Snowball, Cloudwatch, DynamoDb, Glacier, SES, SNS

Programming Languages: Java,Scala, C#, VB.net, ASP.NET, WCF

Scripting Languages: ASP.net, JavaScript, XML, HTML, Python and Bash

Databases: NoSQL, Oracle, SQL Server

UNIX Tools: Apache, Yum, RPM, putty, mobaXterm

Tools: Eclipse, CVS, Ant, MS Visual Studio, Pandas, Zeppelin

Platforms: Windows(2000/XP), Linux, Solaris, Centos

Application Servers: IIS

Methodologies: Agile, UML, Design Patterns

PROFESSIONAL EXPERIENCE:

Confidential, Boston MA

Sr. Spark /Scala Developer

Responsibilities:

• Suggested the platform selection along with tools with in the HDP stack
• Supported the architecture, design, and deployment of HDP data lack along with security features and work with IT teams for instilling best practices
• Provide expertise and guidance around HDP development Provide mentoring and to co-workers
• Build scripts to deployment systems configuration activities
• Leading meetings, discussions, white boarding critical issues.
• AWS Cloud Implementation Security management
• Provide expertise and guidance around HDP development
• Provide troubleshooting support on Hadoop related issues encountered on Hortonworks clusters
• Developed agents to for analyzing the data
• Created HBase tables to load large sets of structured, semi-structured and unstructured data coming from different vendor systems.
• Supported code/design analysis, strategy development and project planning.
• Developed MapReduce programs to parse the raw data, populate staging tables and store the refined data in partitioned tables in the EDW.
• Created Hive queries that helped OR analysts spot emerging bottlenecks by comparing fresh data with EDW tables and historical metrics.
• Enabled speedy reviews and first mover advantages by using Oozie to automate data loading into the Hadoop Distributed File System and PIG to pre-process the data.
• Provided design recommendations and thought leadership to sponsors/stakeholders that improved review processes and resolved technical problems.
• Managed and reviewed Hadoop log files.
• Tested raw data and executed performance scripts.
• Shared responsibility for administration of Hadoop, Hive and Pig.
• Installed and configured MapReduce, HIVE and the HDFS; implemented CDH3 Hadoop cluster on CentOS. Assisted with performance tuning and monitoring.
• Created HBase tables to load large sets of structured, semi-structured and unstructured data coming from different vendor systems.
• Supported code/design analysis, strategy development and project planning.
• Created reports for the BI team using Sqoop to export data into HDFS and Hive.
• Developed multiple MapReduce jobs in Java for data cleaning and preprocessing.
• Assisted with data capacity planning and node forecasting.
• Collaborated with the infrastructure, network, database, application and BI teams to ensure data quality and availability.
• Moving MapReduce programs to spark job using Scala
• Administrator for Pig, Hive and Hbase installing updates, patches and upgrades
• Gather, Analyze requirements and Design, development of Architectural Demos
• Used third party tools like Kendo controls
• Developed UI with Kendo controls,JQuery, HTML5, CSS3.0, AJAX, JSON
• Developed application with ASP.NET MVC 4.0 /C#, WCF
• Development of WCF Services to provide SOA model
• Design/Development of the Data Service Layer with entity framework
• Analyzing concurrency Rules and requirements and process of Integration with other departments systems.
• Connecting ORSOS Webservices to get daily case list
• Analyzing third party tools like Kendo controls
• Talking to other dept Vendors in the Integration process.
• XSLT/XML/XSD to communicate among systems.
• Requirement Analysis with Doctors for Airway/BP/CO2 management.
• Designing new systems to meet the quality measures
• Planning and Division of work among team members and guiding team members.
• Developed workflows using WWF and Services with WCF to integrate different systems
• Used Team Foundation Server for version control.

Environment: Microsoft Windows Server 2008, Internet Information Server (IIS), Microsoft .Net Framework4.0, WCF/LINQ/WPF/WWF, Microsoft Visual Studio .Net 2010, C#.Net, Web Services, ASP.Net 4.0, ADO .Net, SQL Server 2008

Confidential, Billerica MA

. NET Consultant

Responsibilities:

• Requirement Analysis of Real ID-Driver License for the state of Wisconsin /Delaware.
• Preparing GAP-Analysis Report between product and Customer requirements.
• Providing Architectural Solution to meet the need of the Wisconsin State Requirements.
• Developed and Exposed WCF Services to WI-Sate to get Processed Customer Photo, Signature and Documents
• Provided WCF Services to DMV-Systems to Complete the Workflow of Driver-License Issuance using N-Tire Architecture.
• Interfaced with external Q-Matic Queuing system to get Customers, which is part of workflow.
• Design/Development of the Service Layer and Business components
• Workstation Development using Rich UI Windows Desktop applications with WPF using composite Framework.
• Implemented Active Directory security mechanism to Authenticate and Authorize users to use different applications/functionalities with Role based Authorization

Environment: IIS, .Net Framework3.5, WCF/WPF/LINQ, Visual Studio .Net 2008, C#.Net, Web Services, Oracle Data Provider for .Net, ASP.Net 3.5, ADO .Net, Oracle 11g, XML, XSLT, Report Viewer, Ajax, CAB/SCSF

Confidential, NEWYORK NY

Sr. NET Consultant

Responsibilities:

• Suggesting the technologies to use from MS stack.
• Developed conceptual model/logical model /physical model of database.
• Determining the technologies to use in the project base on the current and future requirements of the system by developing the prototypes using WWF and ASP.NET
• Prepared LLD, Planning of the work and division of the work
• Developed WCF Services. Developed Web application using Asp.net
• Support to testing team during testing phase
• Scheduled Deployments of the application to SIT/UAT

Environment: Windows Server 2003, IIS, .Net 2.0/3.5, WCF/WWF, SharePoint server2007 Visual Studio .Net 2005, C#.Net 2005/2008, ASP .Net 2.0, ADO .Net, Oracle10g

Confidential, St .Petersburg, FL

Sr.NET Consultant

Responsibilities:

• Building shopping Cart functionality, by using Adaptor, Container, and Enumerator pattern
• Build tests using unit-tests of .net
• Developed shopping cart, wish-list modules in C#
• Developing web-services, which communicate with ERP system (Seibel) for checking the availability of the product, reserve the product, ordering and shipping

Environment: Microsoft Windows Server System 2003, Internet Information Server (IIS), Microsoft .Net Framework 2.0/3.0, WCF, SharePoint server2007 Microsoft Visual Studio .Net 2005, Microsoft Visual C#.Net 2005, Web Services, SQL Data Provider for .Net, ASP .Net 2.0, ADO .Net, SQL Server 2005

Confidential

Software Engineer, Team Lead

Responsibilities:

• Extracting Business Rules from Existing Systems during the Analysis phase.
• Used Application blocks for Data access and Configuration and security, cashing
• Developed SSIS packages in SQL Server2005
• Migrated PowerBuilder/ Sybase application to C#/ SQL server2005
• Developed number of stored procedures, views, functions, indexes views during migration from Sybase to SQL 2000
• Developed DTS Packages to perform daily tasks of transaction processing with automation and also distribute the data between the systems
• Involved in converting the High Level Design Document and Detail Design Document of the system to class diagrams and sequence diagrams in the rational unified process methodology.
• Developed web services to communicate with Core banking servers
• Used XML extensively for data definitions, data storage for ease of interoperability between core banking and internet banking.
• Database modeling using Rational Rose
• Developing/ Enhancing and maintaining different Use Case diagrams of the application captured from system requirements using Rational Rose, Rational Requisite Pro tool.
• Writing Trigger, Stored Procedure, Views and User defined procedure Developed User Interfaces, designed and coded the functionality for WISeBank
• Developing Report using BO
• Developed application in VB6.0. Developing Database Layer with ActiveX Dll and supporting testing team
• Writing stored procedures with T-SQL, Bug fixing, Releasing the product after bug fixing
• Written User & Functional Documentation.
• Developed reports using Crystal Reports.

Environment: VB.Net, VB 6.0, VSS 6.0, SQL Server 2005/2000/7.0, Oracle, IIS, C#.Net, ADO .Net, Business Objects, Linux, PL-SQL, Rational Rose, Rational Requisite Pro, Toad, Visual Studio 2005, C#.Net 2005, ASP .Net 2.0, ADO .Net, SVN, Nuint, PowerBuilder, Sybase