SUMMARY

• Over 11 years of experience in Object Oriented Analysis & Design, development and implementation of Web based Applications, Solid understanding of object - oriented design principles and patterns.
• Hands on experience and familiar with Agile/Scrum Methodology.
• Have knowledge of big Data Ecosystems: Hadoop, MapReduce, HDFS, HBase, Zookeeper, Hive, Pig, Drill, Sqoop, Flume, Kafka, Storm, Mahout. Spark.
• Experienced in Aws services, VPC EC2, SQS, SNS, cloudfoundation, cloudWatch, S3, DynamoDb, AWS Database Migration service, ECS, Lambda, DynamoDB, Splunk, AppDynamic.
• Expertise J2EE technologies including Java 8, Oracle ADF 11g, Icefaces 2.0, JSF2.0, JSP, Servlets, XML, Hibernate 3.0, Struts 2.0.14.
• Experienced in MySQL Server 5.x, Microsoft Access, Oracle 9i, Oracle 10g and Oracle 11g, Postgres.
• Experienced in creating stored procedures, functions, packages and triggers using PL/SQL.
• Experience on Web logic 9.2/10.1.3, JBoss, Jetty servers and Tomcat 6.0 Web server.
• Experience in working with CVS, SVN, Git repository, Jenkins and artifactory.
• Expertise in Front-End technologies like HTML, JSP, Ajax, JQuery, JavaScript, CSS, bootstrap, AngularJS 1, AngularJS 2, ES6, Jasmine, Karma, Npm, Bower, Grunt, Webpack, Browserify, Babel.
• Experience in working with operating systems like Windows, UNIX.
• Knowledge of complete lifecycle (SDLC) of the project involving Design, Development, Testing and Implementation of the Project.

WORK EXPERIENCE:

Senior Full Stack Developer

Confidential

Responsibilities:

• Using GWT RPC to execute server side methods from GWT framework.
• Created GWT custom widget with composite class.
• Rewrite all GWT GUI to Angular single page app.
• Involved Data Migration with Aws from on premise Oracle 11G to RDS (PostgreSQL).
• Active experienced in the design, coding, and unit testing of enterprise-level scalable, distributed, fault tolerant applications in J2EE environments.
• Build spring boot based web applications in AWS cloud.
• Migrated on premise applications to Aws cloud by using ECS (Elastic container service).
• Provide support for development of large-scale finance infrastructure.
• Used spring security to do authentication.
• Used splunk and appdynamic to monitor applications warning and performance tuning.
• Worked on Jenkin continuous development to build and deploy.

Environment: Java 8, JIRA, Confluence, Spring rest, Swagger, Maven, Spring boot, Spring Data, Spring Security, BIRT report, OAuth2, Scrum, Spring rest, Bit bucket, Elastic Search, Solr, Amazon RDS(postgres), Aws services(SQS, SNS, cloud foundation, cloudWatch, S3, DynamoDb, AWS Database Migration service, ECS), Dockers, AngularJS 1, AngularJS 2, GWT.

Senior J2EE Developer

Confidential

Responsibilities:

• Define & lead application system framework of production systems
• Provide support for development of large scale telecommunication infrastructure supporting conferencing processing platforms
• Active experience in the design, coding, and unit testing of enterprise-level scalable, distributed, fault tolerant applications in J2EE environments
• Solid grasp of J2EE technologies, e.g. Web (JSP, Servlets, JSP Custom Tags, Applets); Web Services (XML,SOAP, AJAX) SOA & ESB, open source frameworks e.g. Spring, Hibernate & Struts2.0
• Experience with Oracle database systems, architecture, and PL/SQL development
• Involved in the development of Stored Procedures using PL/SQL.
• Developed multiple MapReduce 2 jobs in Java for data cleaning and preprocessing.
• Shared responsibility for administration of Hadoop, Hive and Pig and have good experience in monitoring and managing the Hadoop cluster.
• Created HBase tables to load large sets of structured, semi-structured and unstructured data coming from UNIX and other sources.
• Good knowledge of Apache Spark, Storm, Kafka, Flume, Mahout for collect and analyzes large amounts of data from our customers 24×7 from several data points to find shopping pattern and customer ps.
• Good experience with both MapReduce 1 (Job Tracker) and MapReduce 2 (YARN) setups.

Environment: Java, J2EE, Hadoop ecosystem, Spring, Oracle 11g, PHP, AWK, Sed, PERL, JSP, Servlets, XML, HTML, CSSJavaScript, JQuery, Struts2.0, Subversion, Log4J.

Senior Developer

Confidential - Rockville, MD

Responsibilities:

• Effectively interacted with team members and business users for requirements gathering.
• Understanding functional specifications and documenting technical design documents.
• Implemented Test First methodology process on Software Development life cycle.
• Implemented Presentation layer components using HTML, JavaScript, JSP, and Struts.
• Implemented MVC Architecture using Struts framework for the application.
• Developed EJB Session Beans to encapsulate the business logic
• Implemented the integration with the back end system with web services using Axis and SOAP
• Used Axis to generate web services client code from WSDL and invoke server side services through the client.
• Involved in the development of Stored Procedures using PL/SQL.
• Used Eclipse as Integrated Development Environment (IDE).
• Involved in performance tuning, scalability of the application and production support.
• Used MAVEN as the build tool with CVS as the repository.
• Performed unit testing for all the components using JUnit.

Environment: Java, J2EE, Spring mvc, Oracle 11g Application Server, Oracle 10g, JSF, JSP, Servlets, XML, HTML, CSS, JavaScript, AJAX, Subversion, Log4J.

Senior Developer

Confidential

Responsibilities:

• Effectively interacted with team members and business users for requirements gathering.
• Understanding functional specifications and documenting technical design documents.
• Design the application using UML modeling tools.
• Created flow diagrams using Visio.
• Implemented Test First methodology process on Software Development life cycle.
• Developed the POC using JSF.
• Implemented Presentation layer components using HTML, JavaScript, JSP, and Struts.
• Implemented MVC Architecture using Struts framework for the application.
• Developed various Form Beans, Action Classes and JSPs etc.
• Implemented client side validations using JavaScript.
• Coded Struts Action Classes, Model Classes.
• Implemented data access using Hibernate persistence framework.
• Implemented transaction management using Hibernate Transaction Manager.
• Developed the configuration files and the class's specific to the spring and hibernate.

Environment: Java, J2EE, Spring, Oracle 11g Application Server, Oracle 10g, JSF, JSP, Servlets, XML, HTML, CSS, JavaScriptAJAX, Subversion, Log4J.

Senior Java Developer

Confidential- Alexandria, VA

• Designed the application based on J2EE Architecture, including Requirement Analysis, Software Architecture,
• Used Oracle ADF 11g JSF as web framework for viewing layer.
• Used Oracle ADF task flow to manage business logic.
• Designed and developed Servlets controllers Action classes and designed components using MVC architecture
• Experience using middle ware architecture using Sun Java technologies like J2EE, JSP, Servlets, and EJB and application servers like Weblogic 11g.
• Involved in database design and developed stored procedures and triggers to improve the performance.
• Used Data Source for connectivity to Oracle database.
• Used Maven script to clean, compile, create and deploy war files into autopilot environment.
• Employed Hibernate to store the persistent data as an Object-Relational Mapping (ORM) tool for communicating with database.
• Used HQL, Native Query, and Named Query and Criteria queries to perform all the required CRUD operations against the DB.
• Involved in Unit testing, System Testing and writing test cases.
• Assisting team with drafting use case scenarios during the planning stages.

Environment: Java, J2EE, Oracle ADF 11g JSF, spring 2.0, EJB 3.0, Hibernate 3.0, JDBC, JSP, XML, AJAX, JavaScript, HTMLCSS, XSL, XHTML, EJB, Eclipse, SOAP, JUNIT, Agile, UML, MAVEN, CVS, PL/SQL package and function, Oracle 10g, ETL, Windows, UNIX.

Senior Java Developer

Confidential

• Involved in the design and implementation of the architecture for the project using OOAD, UML Design Patterns.
• Involved in multi-threading for executing multiple programs without conflict.
• Responsible for developing various visual GUI screens using JSP and GWT.
• Developed various custom visual components, custom item renderers for built-in visual controls.
• Responsible for dynamically parsing and loading static XML data.
• Designing and Developing distributed applications using J2EE, Web Services using spring, JMS and RMI.
• Developed various data queries from the Oracle 10g database in XML format.
• Used HIBERNATE 3.0 to develop the Hibernate utility files to persist the data efficiently into database and also
• Developed Client programs for consuming the Web Services using Apache Axis.
• Consulted to Project-Management in implementing an agile development, process based on Scrum and XP.
• Deployed the Web application using Maven build script.
• Involved in the Front-End interface using HTML, JavaScript, jQuery, CSS.
• Tested the applications with the JUnit, Also written some test cases.
• Providing support and assistance to team members in all functional and technical issues.

Environment: Java, J2EE 1.4, GWT 2.1, Spring 2.5, Hibernate 3.0, JMS, OOA/OOD, JSP, XML, JSF 2.0, AJAX, jQuery, JavaScriptHTML, CSS, Eclipse, Web Services, SOAP, JUNIT, Agile, UML, MAVEN, CVS, SAX, Postgres, PL/SQL, Oracle 10gWindows NT.

Java Developer

Confidential

• Written low-level design for features Document Creation, Container Creation and Document Relocation.
• Handled assignments in developing UI pages using JSP, Html, CSS and JavaScript technologies for modules in BDMS.
• Involved in understanding business requirements and functionality of Cost management Reporting.
• Designed and developed OOAD diagrams using Rational Rose.
• Involved in drawing the UML diagrams such as Use case Diagrams, Class Diagrams and Sequence Diagrams using Rational Rose.
• Application developed in MVC architecture using Struts, JSP's, Ajax, HTML, Java Script, CSS, JMS and Hibernate.
• Involved in implementing Value Object Pattern, MVC & Singleton Pattern.
• Setting up, building the environment and deployed project by writing Ant build.xml.
• Performed version control management using CVS.
• Used Bugzilla as a workflow automation tool.

Environment: Java1.4, Struts 1.2, JSTL, JSP, Ajax, Hibernate 2.0, JMS, Web Logic v 8.1, MyEclipse 5.0, PL/SQL,, CVS, BugzillaJUnit, XML, Windows NT.