SUMMARY:

• Professional experience in IT and Enterprise Application Development in multiple business domains ranging from Health Care and Insurance, which includes hands - on experience in Big Data/Hadoop ecosystem and related technologies.
• Strong knowledge and experience in architecting real-time streaming applications and batch style large scale distributed computing applications using tools like Map reduce, Hive etc.
• Strong knowledge on NoSQL database like HBase.
• Excellent understanding/knowledge of Hadoop architecture and various components such as Big Data and Hadoop File System HDFS, Job Tracker, Task Tracker, Name Node, Data Node and Hadoop Map-Reduce programming paradigm.
• Experience in importing and exporting terra bytes of data using Sqoop from HDFS to Relational Database Systems and vice-versa.
• Experienced in using NFS (network file systems) for Name node metadata backup.
• Experience in developing customized UDF's in java to extend Hive and Pig Latin functionality.
• Experience in analyzing data using HiveQL, Pig Latin, HBase and custom Map-Reduce programs in Java.
• Experience in working with offshore quality assurance teams.
• Building Cloud Formation with S3 bucket.
• Implementing snapshot Backup tool for AWS Instances on AWS Environment.
• Implementing Hardening script for AWS Linux Instances on AWS Environment.
• Implementing and setting up NAT HA failover on AWS Environment.
• Implementing and setting up AWS security groups for AWS Instances on AWS Environment.
• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.
• Implementing and setting up Route 53 for AWS Web Instances, ELB & CloudFront on AWS Environment.
• Implementing VPC on AWS cloud Environment and Handle the complete control of computing resources on EC2. Acquiring, testing and installing various patches to the system with patch management.
• Experience with Amazon S3, RedShift and RDS.
• Have experience in using implementing Bootstrap Framework.
• Activated virtual machines using KMS.
• Expertise in job workflow scheduling and monitoring tools like Oozie and Crontab.
• Expertise in continuous Integration practices with JIRA.
• Experience in installation, configuration, supporting and managing - Cloudera's Hadoop platform along with CDH3 & 4 clusters.
• Experience in Software Development Life Cycle (SDLC) methodologies like Agile, Scrum, and Waterfall.
• Extensive experience working in Oracle, DB2, SQL Server, PL/SQL and My SQL database.
• Hands on experience in application development using Java, RDBMS, and UNIX shell scripting.
• Experience in working with BI team and transform big data requirements into Hadoop-centric technologies.
• Hands-on experience on development tools like Eclipse, IntelliJ, RAD, Eclipse, and JDeveloper.
• Solid Understanding of OOPS and RDBMS concepts.

TECHNICAL SKILLS:

Languages: Java, Python, HTML, SQL.

Java Technologies: Core Java, JDBC

Big Data Technologies: Hadoop - HDFS, MapReduce, Oozie, Sqoop, Hive, Pig, Cloudera.

Web Technologies: HTML5, CSS3, Javascript, PHP

RDBMS: Oracle, MS SQL Server,Teradata and MySQL.

NoSQL: Hbase

Data Visualization: Datameer

File Transfer: SecureFx, Putty

Tools: Eclipse, IntelliJ

Data mining Tools: Rapidminer

Test Mangament Tools: HP ALM, IBM RTC

Code Respository: GitHub

Operating System: Windows, UNIX, Linux.

PROFESSIONAL EXPERIENCE:

Confidential, Richardson

Test Engineer

Responsibilities:

• Prepared Test Plans from the Business Requirements and Functional Specification.
• Developed test strategy & test cases and reviewed with all stakeholders, Development team, Infrastructure team and other teams.
• Coordinate & schedule the defect triage meetings with the development team and business to discuss the open issues reported using ALM/ Quality Center.
• Experience in working offshore/onshore model.
• Worked on onsite SPOC for the offshore team in knowledge transfer and helped offshore team to make easy transition into the project.
• Experience in working multiple projects at a same time.
• Working experience as test lead for few projects.
• Successfully completed several project working as an onshore test lead for the offshore team.
• Performed system testing on different Data warehouse and Hadoop components.
• Performed Functional and Non Functional testing in Data warehouse and Data Lake.
• Performed UAT testing and Data Quality testing for the Business Users.
• Performed regression testing in Data warehouse and Data lake.
• Experienced in Testing XML and Json files.
• Created automated framework for testing Hadoop components like hive. Hbase and hdfs in Apache Pig and Python.
• Created Hive and Hbase tables based on the business requirements.
• Used Hive queries to transform the data in Hive tables.
• Performed source to target Hive database testing by using HIVE queries.
• Performed source to target Teradata database testing by using SQL scripts.
• Used Datameer macros to test HBase tables.
• Used Datameer import and export to load data into multiple databases.
• Used Linux commands to check audit framework for HIVE and Hbase tables.
• Used JIRA for tracking of bugs and tasks.
• Created test cases and test plan in HP ALM.
• Created defects in HP ALM and assigned defect id to bug in JIRA.
• Given support to production issues.
• Used Pig to load different types of data format into Hive and Hbase.
• Written Pig Scripts for testing Hbase, Hive, XML and Flat files.
• Written custom PIG UDF for loading and testing of data.
• Used filters in HBase tables to get subset with the latest timestamp.
• Hand on experience on ETL tools likes Data Stage and Talend.
• Worked with Teradata SQL Assistant for data retrieval and data validation.
• Developed SQL queries to verify the number of records from Source to Target and validated the referential integrity, Time variance, Missing records, Nulls/Defaults/Trim spaces rules as per the design specifications.
• Loading Flat file Data into Teradata tables using Unix Shell scripts and mload.

ENVIRONMENT: Hive, Hbase, Pig, HDFS, Sqoop, Hue, Jira, SecureFx, Datameer, Teradata, Datastage, Putty, SQL, shell scripts, DB2, HP ALM, RTC, GitHub, Talend.

Confidential

PROGRAMMER ANALYST / GRADUATE ASSISTANT

Responsibilities:

• Worked in HTML, CSS, HTML5, XML, DHTML, Ajax, JavaScript, jQuery, Angularjs.
• Worked on Cross Browser Compatibility and tested each and every web application on popular web browsers such as Internet Explorer, Firefox, Safari, Opera, and Chrome.
• Responsible for transforming designed mockups to web pages.
• Developed Web applications that are cross - browser compatible.
• Performing new - website support research in the areas of Latest Web Technologies, Usability, Accessibility, and User Experience.
• Coordinated with the quality group for testing activities and Production Support team to resolve the solution.

ENVIRONMENT: HTML, CSS, JavaScript, PYTHON, PHP, MVC Framework, PHP Web Services.

Confidential

Web Developer

Responsibilities:

• Worked with the business community to define business requirements and analyze the possible technical solutions.
• Requirement gathering, Business Process flow, Business Process Modeling and Business Analysis.
• Extensively used UML and Rational Rose for designing to develop various use cases, class diagrams, and sequence diagrams.
• Used JavaScript for client-side validations.
• Developed application using Spring MVC architecture.
• Developed custom tags for table utility component.
• Used various Java, J2EE APIs including JDBC, XML, Servlets, and JSP.
• Designed and implemented the UI using HTML, JSP, and JavaScript.
• Involved in Java application testing and maintenance in development and production.
• Involved in developing the customer form data tables. Maintaining the customer support and customer data from database tables in MySQL database.
• Involved in mentoring specific projects in the application of the new SDLC based on the Agile Unified Process, especially from the project management, requirements, and architecture perspectives.
• Designed and developed Views, Model and Controller components implementing MVC Framework.

ENVIRONMENT: JDK 1.5, J2EE, JDBC, Servlets, Spring MVC, JSP, XML, XSL, CSS, HTML, DHTML, JavaScript, UML, Eclipse IDE, MySQL.