PROFESSIONAL SUMMARY:

• 6 years of experience in complete life cycle development involving analysis, design (System/Database/OO), development, deployment, testing, documentation, implementation & maintenance of application software in Web - based environment, Distributed n-tier architecture and Client/Server architecture using J2EE technologies.
• Expert in Core Java, Java EE platform with Servlets, JSP, JDBC, Hibernate and Spring MVC.
• Proficient in java versions: JDK 1.8/1.7 and J2EE with strong background in object oriented concepts by working on various stages of Software Development Life Cycle (SDLC).
• Experience with various MVC Java frameworks like AngularJS and NodeJS.
• Excellent Project implementation skills using advanced Java technologies (AWT, Swing, Servlets, JSP, Struts, JSF, Hibernate, Spring MVC, EJB, Web Services, JNDI, JMS, JDBC, XML, XSLT, SAX, DOM, JAXB, AJAX, JavaScript) with various middleware technologies.
• Highly skilled and experienced in Agile Development process for diverse requirements with a strong record of excellent teamwork.
• Experienced in Working with Spring JDBC template, JMS template, EMS, and JavaBeans.
• Expertise in Core Java programming, multi-threading, reflections, data structures, generics and adhering to OOPS concepts. 
• Expertise in troubleshooting DB2 job failures and providing resolutions.
• Experience in benchmarking Cassandra Cluster using Cassandra stress tool.
• Expertise in developing SOAP, RESTful Web Services and APIs with JSON and XML.
• Good understanding and exposure to Spring Integration and Spring Batch.
• Experience in data management and implementation of Bigdata applications using Spark and Hadoop frameworks.
• Extensively worked and implemented several design patterns such as MVC, Business Delegate, Session Facade, Service Locator, DAO, DTO, Singleton, Object Factory and Front Controller.
• Strong RDBMS concepts including expertise in PL/SQL queries like  DML, DDL, Stored Procedures, Views, User Defined Functions (UDF).
• Designed framework for doing migration from RDBMS to Cassandra.
• Experience in building large-scale web applications and mobile-first websites using JavaScript, ReactJS, AngularJS.
• Experience in Integration of Amazon Web Services AWS with other applications infrastructure.
• Experience in developing web UI using HTML, JavaScript, JSP and have experience with Maven and Spring.
• Experience in integrating the internal security model into new projects with Spring Batch, Spring Microservices, Spring Boot, Pivotal Cloud Foundry.
• Extensive experience in developing web page quickly and effectively using jQuery, HTML, HTML5, CSS3, Responsive Web Design, Bootstrap.
• Hands on experience on Mongo DB Replica Set and Sharding.
• Extensive knowledge and implementation skills in Struts, Spring and Hibernate frameworks.
• Expertise in developing Web-based GUIs and Client-Side validations using Servlets, JSP, Angular 2, AngularJS, HTML, HTML 5, CSS, ExtJS, JavaScript, jQuery, Custom tag libraries, AJAX.
• Expertise in Object Oriented and Multi-threaded/Concurrent programming using Java and J2EE related technologies.
• Proficient in using AJAX for implementing dynamic web pages where the content was fetched via API calls and updated the DOM (JSON Parsing).
• Have good understanding of Java8 features.
• Technical hands-on experience in using the Integrated Development Environments such as Eclipse, Spring Tool Suite, Developer Studio, Net Beans, IBM WSAD/RAD.
• Hands-on experience with various Application Servers and Web Servers (IBM WebSphere Application Server, WebLogic, JBoss, and Tomcat8).
• Hands on experience in performing marshaling and un-marshaling operations on XML data using XQueries.
• Tomcat Web Server and Eclipse IDE were used for deploying and running the application. 
• Knowledge on design and developing UML diagrams with MS-Visio and Rational Rose.
• Experience in writing Server-Side components - Enterprise Java Beans (EJB) Session (both stateful and stateless) and Entity Beans, Remote Method Invocation (RMI) for distributed computing applications, access remote servers and invoking database with Java Database Connectivity (JDBC).
• Hands-on experience with databases such as MS SQL Server 2005/2008, MySQL, MS-Access, Oracle9i/10g/11g and SQLite.
• Extensively worked on developing and consuming YAML and XSD based RESTful Web Services and WSDL based SOAP Web Services.
• Test Driven Programmer with thorough knowledge of Unit testing using JUnit framework, Defect Tracking with HP Quality Center, performance testing with JMeter and automated testing with Test Driven Development (TDD) in extreme programming model.
• Hands on experience on various version control tools such as CVS, SVN, ClearCase and Git.
• Excellent communication skills, strong architectural skills, hardworking and a very good team worker.

TECHNICAL SKILLS:

Operating Systems: Linux, UNIX, Windows 10/8/7/XP/2000, MAC

Java Technologies: Core Java, J2EE, JSP, JMS, JDK 1.6/1.7/1.8, Servlets, JPA, JMS, JAXB, EJB, JAX-RS, JAX-WS, Apache Camel, JDBC, Java Beans, Bigdata, Exception Handling, Multi-threading, Event Handling.

Database/ Database Tools (RDBMS): Oracle 11g/10g/9i/8i, DB2, Oracle SQL, Sybase UDB, MSSQL Server 2005/2008, MySQL, SQLite, PL/SQL Developer, Cassandra, NOSQL (MONGO DB).

Servers: WebLogic 11x/12x, IBM WebSphere 8.x/7.x, Apache Tomcat 8.x/7.x/6.x/5.x, Jboss, SQL Server.

Languages/Web Technologies: Java 1.8/1.7/1.6/1.5 , AJAX, jQuery, Python, JSON, HTML, HTML 5, DHTML, CSS, CSS3, XML, XSL, XSLT, JavaScript, AngularJS, Angular 2, Shell Scripting, NodeJS, ReactJS, Bootstrap, JAX-RPC, Grunt and Gulp.

Frameworks: Struts, JSF, Spring MVC, Spring 4.x, Spring Boot, Spring Batch, Spring AOP, Spring Security, Spring REST, ExtJS 4.0, Hibernate, MyBatis, iBatis.

Web Services: RESTful, SOAP

Configuration Management tools: Git, CVS, SVN, Rational Clear Case 7. x, VSS.

Design Patterns: Singleton, MVC, Factory, Session Facade, Business Delegate, Front Controller, Service Locator, DAO, DTO, Iterator, Decorator, Observer, Abstract Factory, Adapter, Prototype.

Tools: TOAD, SQL Developer, SOAP UI, SOA Test, UDeploy, Maven, Jenkins, Spark, Splunk, SonarQube.

IDEs: Eclipse IDE, IBM RAD 7.5.0, Oracle Workshop 10.x, Visual Studio, Web Storm, Spring Tool Suite, NetBeans, Edit plus, Notepad++.

Cloud technologies: Docker, Microservices, Amazon Web Services (AWS), Amazon Lambda, Apache Kafka.

PROFESSIONAL EXPERIENCE:

Confidential, NC

Java Developer

Responsibilities:

• Interacted with BAs and SAs to get the requirements and translate them into technical specs.
• Responsible for legacy service & conversion service contracts and code to migrate data using iBatis, MyBatis, back end stored procedures & platform2 REST services.
• Responsible for the integration and release versions of conversion service with other platform 2 services.
• Configurations - Spring beans, iBatis, MyBatis, connection pooling and over all migration service code.
• Developed REST Web services using Spring based MVC with annotation driven configuration.
• Implemented and re-designed code flow structure of Migration Layer to address new streams like PASW along with existing IGE.
• Participate in Grooming sessions to determine the story points and the technical strategy for the iterations.
• Installation and configuration of Mongo DB.
• Performed Mongo DBA operational routines.
• Developed web application using Struts, Spring and MyBatis, iBatis framework. 
• Worked on Swagger API  and auto-generated documentation for all REST calls.
• Integrated Swagger api docs to all existing APIs.
• Method references are used provided in Java8 to make use of methods already named. 
• Keep track of stories and their implementations and making sure assigned story points are complete for the iteration.
• Utilized IBM WebSphere/RAD for development of messaging and web services. 
• Used Java8 features in developing the code like Lambda expressions, creating resource classes, fetching documents from database. 
• Cassandra database physical layout design and capacity planning. 
• Experienced in storing the analyzed results into the Cassandra cluster.
• Active participant in Platform Contract Review Board & Technical Review Board to address key issues in the functionalities to be delivered for go-live.
• Used Pivotal Cloud Foundry for the service binding details are injected from the deployed cloud platform itself.
• Interact with the Back-End Data Modeling teams to get the proper table designs and packages in place for access from the middleware.
• Developed UNIX scripts in creating batch load for bringing huge amount of data from relational databases to Bigdata platform.
• Extracted data from XML/Oracle/DB2 to SQL server 2016.
• Developed and utilized J2EE services and JMS components for message communication in WebSphere application server.
• Deploying application on Amazon Web Services AWS in EC2 environment.
• Applied Spring Boot for setting up Spring framework easily.
• Created database in MS Access to store and maintain department & project information.
• Responsible for closure of assigned bugs and moving them to designated release environments.
• Designed and developed POC batch client to execute mass conversion rest calls to track the performance and reliability of the migration code.
• Selecting the appropriate AWS service based on compute, data, or security requirements. 
• Developed the Microservices as Spring Boot application compatible with Pivotal Cloud Foundry.
• Design and development of balancing module using Spring Integration framework and Spring Batch.
• Stepping in for technical problems, trouble shooting and providing solutions to the team.
• Perform Code Reviews to ensure technical specs are implemented properly adhering to the various standards in place.
• Used Jenkins for CI/CD Continuous Implementation and Continuous Delivery.
• Developed a message driven bean using JMS to manage back-end transactions and approval for user.
• Imported data from various resources to the Cassandra cluster using Java APIs.
• Implemented Spring Batch to generate tasks based on business logic.
• Review, Test and Integrate various modules and ensure the deliverables adhere to the standards and procedures.
• Successfully integrated back data systems and migrated legacy data center to Amazon AWS.
• Used a Microservice architecture with Spring Boot based services interacting through a combination of REST to build, test and deploy identity Microservices.
• Configure database security as per standard audit procedures.
• Took on various database classes outside work to enhance ability to perform daily DBA tasks with more velocity.  
• Responsible for release cuts for the deployments to the production environments.
• Implemented RESTful web services by using JAX-RS, created and read the JSON objects by using JACKSON libraries.
• Involved in development of REST Web Services using Spring MVC to extract client related data from databases and implementing the Microservices to base on RESTful API utilizing Spring Boot with Spring MVC.
• Developed a Spring Batch based module to process the xml requests along with pdf contents.
• Developed test cases by using JUnit and spring integration test framework. 
• Provided level 1 support for database platforms such as Oracle, Sybase, UDB. 
• Used JUnit to test, debugged and implemented the application.
• Collaborate with development teams to ensure the integrity of the solution architectures.
• In charge of the deployment of the service deliverables to the designated environments till the final QA sign off.
• Production support for IGE application after migration in day to day conversion issues.
• Key contributes to Ribbit sharing and added services documents to SharePoint.
• Resolved bugs during Hardening Sprint Testing before Release.

Environment: Java, Java8, Tomcat 8.0, Oracle, Sybase, DB2, UDS, ibatis, Mybatis, SQL, SpringToolSuite, Log4j, TOAD, SQL Developer, Spring MVC, Spring core, Spring AOP, Spring Boot, Spring DAO, Spring Batch, Spring Security, Swagger, Mongo DB, IBM WebSphere, CI/CD, JMS, Cassandra, AWS, OAuth2, XML, REST, SOAP, WSDL, XSD, IBM RAD, Git, JAX-RS, Maven, Ant, Microservices, RESTful, Sonar, Linux, JUnit, Mockito, Agile, Jenkins, IBM UDeploy, Splunk, SOAP UI, Git Bash.

Confidential, NC

Java Developer

Responsibilities:

• Responsible for analyzing the existing application and defining the areas of improvement.
• Creating the branch based off existing application, tagging for staging deployment.
• Identifying the dependency jars that needs to be used for migration and updating several poms.
• Configured the web application with Spring MVC related code in web.xml and spring servlets.
• Migration to Java 1.8 from java 1.6 and updating several dependencies such as hibernate, spring.
• Migration of Struts 1.x action classes to spring controllers as part of adapting Spring MVC.
• Make a list of all URLs rendered by the struts package that are being migrating and add it to the story in Jira. 
• Worked extensively on jQuery dialog popups and populating partial views.
• Used Bootstrap framework, HTML, CSS, JavaScript, MySQL & PHP.
• Worked on AngularJS controllers and created functions to interact with the RESTful Web Services using AJAX. 
• Designed a responsive website using Bootstrap grid system to layout contents that fit on different platforms.
• Developed a new data transfer system using REST services and Kafka.
• Implemented a distributed messaging queue to integrate with Cassandra using Apache.
• Developed Web Services and Spring Batch Jobs for CDP Application.
• Developed service and Dao layers for changed/new functionality.
• Created and consumed Microservices based on Web API.
• Used Spring MVC to develop application architecture and JDBC to interact with Database, also used Ajax to communicate with DB for certain functionalities.
• Designed and coded the website front-end with Bootstrap and AngularJS with team member.
• Connecting all Microservices built on Spring Boot to form the application.
• Involved in developing RESTful Web Services with JAX-RS to provide functionality for future development.
• Designed and implemented the consumer architecture using Kafka where the backend services as front-end services.
• Used Hibernate to create Configuration and Mapping files.
• Created TypeScript reusable components and services to consume REST API's using component based architecture provided by Angular 2.
• Worked with the architect to integrate Spring to Web Service and configured MyBatis on Tomcat.
• Implemented JavaScript and jQuery for client-side validations. 
• Migrating the struts tag to spring in the JSP to be migrated that is being called in the request mapping. Also update authorization to use spring security tags.
• Developed and designed application using Spring Boot to develop Microservices.
• Implemented Batch jobs using Spring Batch created various item readers, item writers and item processors. 
• Designed the front-end using HTML, CSS, Bootstrap, JavaScript and jQuery library. 
• Deployed Bootstrap to apply responsive utilities and appropriate positioning of elements to the website. 
• Used Apache Kafka for reliable and asynchronous exchange of information between multiple applications.
• Developed RESTful API with Web API 2 framework for various applications.
• Adding spring validation interface for server-side validation of fields and actions.
• Implemented Spring Batch framework to provide reusable functions. 
• Implemented spring security by defining the necessary tags in the security.xml file. and migrate access control from security.xml to method level security using spring annotations.
• Implemented Multi-Factor authentication functionality as a Spring Boot Microservices.
• Configured Jenkins build job for the application and responsible for maintaining it.
• Adding ddls and dmls to sql files and queries to interact with oracle database from web services.
• Designed Functional level JUnit test cases.
• Created POC for Spring Batch for running requirements and documented how Spring Batch is useful for the current project. 
• Used Kafka to collect, aggregate and store the web log data from various sources like web servers and network devices.
• Designed and developed Microservices business components using Spring Boot. Consumed REST based Microservices with Rest template based on RESTful APIs.
• Developed process documents for all environments from development to production.
• Write JUnit test cases using Mockito for MVC and service layers by implementing new test configuration for the whole application.
• Developed the REST based Microservices using Spring data and Spring Boot with JPA.
• Identifying the use cases for each module and defining the underlying data conditions to help QA test the migration.

Environment: Java 1.8, Tomcat 8.0, Oracle, Hibernate, SQL, SpringToolSuite, Log4j, Servlet, SQL Developer, Struts, Spring Batch, Spring core, Spring AOP, Spring DAO, Spring Boot, AngularJS, Typescript, Angular 2, AWS, HTML, CSS, JavaScript, jQuery, Spring Security, Bootstrap, Bitbucket, AJAX, Microservices, Kafka, MySQL, RESTful, Maven, Sonar, JUnit, JDBC, Git, Agile, Jenkins, MyBatis, iBatis, JIRA, Mockito, Spring MVC, Spring tags.

Confidential, TX

Java Developer

Responsibilities:

• Designed the Business Requirement Document for the project.
• Assisted my team lead in designing Use Case Diagrams, Class Diagrams, Sequence Diagrams and Object Diagrams using UML to model the detail design of the application.
• Designed, implemented and tested the Spring Domain Model for services using Core Java.
• Developed Presentation Layer using JSP, HTML, DHTML, CSS, AJAX, JavaScript and JSTL Taglibs.
• Involved in implementation of application using conventional design practices like Service Oriented Architecture and Model View Controller.
• Was responsible to communicate with End client to support the application and analyzed/fixed the issue.
• Created responsive web pages using HTML5, CSS3, Bootstrap, Typescript and Angular 2.
• Developed Core Java classes using OOPS Concepts.
• Worked on Oracle 10g data base for storing and retrieving the application data.
• Implemented procedures, packages, triggers, and different Joins to retrieve the data base using PL/SQL, SQL scripts.
• Used Angular 2 HTTP client to interact with servers/backend and modularized the application with module.
• Developed application using Spring MVC, JSP, and JSTL, the business layer is built using Spring and the persistent layer uses Hibernate.
• Created DDL, DML scripts to create tables and privileges on respective tables in the database.
• Developed the Core component of recovery management module using Spring MVC Framework. 
• Collaborated on design specification reviews together with Business Analysts.
• Involved in web component design and development using the spring framework, JSP, Servlets, and Taglibs.
• Involved in developing web Page Applications using AngularJS with other development teams.
• Expert level skills developing web based applications using Core Java, Servlets, JSP, JSF. 
• Implemented Apache Camel routes using Camel-Spring XML and Camel-Spring processor beans to achieve integration with other Enterprise systems.
• Developed Form Beans/ JavaBeans, Spring Controller Classes and configured with the corresponding JSP pages in spring-config.xml file.
• Asynchronous messaging is done using JMS and created Queue for point to point messaging.
• Design and development of inventory web application full stack features and bug fixing using JavaScript.
• Employed Swing worker to create action listening framework for responsive GUIs.
• Extensively used Core Java API, Spring API in developing the business logic.
• Worked on ExtJS for user interface widgets with high performance scalable grids, trees and menus.
• Created tiles definitions for Page and Menu Layouts used for Navigation with ExtJS 4.
• Worked on java Multi-threading programming, Synchronization, Java Mail API and Collections API for concurrent product models upload/download process.
• Design, develop, test and maintain the application built on J2EE, Spring, and Hibernate.
• Used ExtJS code generation to appropriately utilize AJAX features. 
• Used Log4J logging framework for logging messages.
• Generated responsive data tables using with Bootstrap grid system.
• Used Multithreading in programming to improve overall performance with Core Java.
• Developed program integration layer for different MVPD integrations using JavaScript.
• Used Qexo database engine for evaluating XQueries which were implemented to marshal and unmarshal the data from XML.
• Created the application using Spring, Hibernate and MySQL. 
• Used JMS API for communication between the components. 
• Implemented Spring Batch to run daily and monthly batches.
• Implemented EJB’s to handle provision and expose API’s to support other inventory based operations.
• Developed a generic Json message router using Camel and development effort was done using JBoss development Studio 7 .1.
• Exported data from CSV file format to the Excel file format.
• Involved in configuring Hibernate mapping file. Used XML to create the db schema-mapping file for Hibernate.
• Used front end JavaScript, CSS and Core Java.
• Designed frameworks to migrate client-side technology from Swing to java.
• Developed single page responsive Web UI using HTML 5, AngularJS, Bootstrap, JavaScript, Angular validations, NodeJS.
• Served as point of contact for off-shore team coordination.
• Developed application modules utilizing J2EE technologies like JSP, EJB to develop view and model parts of MVC frameworks.
• Developed an AngularJS workflow manager leveraging Angular-UI's state router for flexible configuration and management of multi-step user input flows.
• Served as point of contact for the testing team to check the health of the application every time the Message Queue was triggered.
• Used JMS and spring managed transactions defined by annotations.
• Worked with Core Java concepts like Collections framework, Multithreading, Memory management.
• Involved in Unit Testing of various modules based on the test cases.
• Used CVS for version control.
• Delivering completed client-side application using AngularJS, HTML, CSS and Bootstrap. 
• Developed UI based on struts framework, using JSF, JSP, JSTL, Servlets and DHTML with extensive JavaScript to reduce Server hits, improving performance.
• Involved in Bug fixing of various modules that were raised by the Testing teams in the application during the Integration testing phase.
• Assisted in planning, installation and execution of new JRulesILog server, application server and Team server.
• Provided validation for both Web API side and AngularJS side based on client's need. 
• Provided on-call support during the pre-production testing and the project release.
• Developed EJB MDB’s and Message Queue’s using JMS technology.
• Prepared documentation for deploying the code on Apache Tomcat server.
• Involved in high-level estimation of project schedules, project time lines and project deliverable meetings.
• Used Java Messaging Services (JMS) for reliable and asynchronous exchange of valuable information such as payment status report.
• Deployed the AngularJS-based Web Application on IIS. 
• Involved and participated in Code reviews.

Environment: WAS 5.0, WSAD 5.1.2, IBM BPM (Business Process Manager) 8.5, (WLI)Weblogic Integrator 7.x, JDK 1.5, WebSphere 8.5, WSDL 2.0, RESTFUL, Struts, Core Java, PL/SQL, Spring Batch, Message Queues, SOA, JSF 2.0, Angular 2, JavaScript 1.3, JBoss Fuse, AJAX, XQuery, HTML, Angular 2, HTML 5, NodeJS, JBOSS, JSON, Swing, Bootstrap, SQL Server 2008, Spring MVC, Hibernate, EJB 2.0, TypeScript, ExtJS, Apache Tomcat, Apache Camel, AGILE, CSS, AngularJS, CSS3, Servlet, JSP 2.0, JNDI, JMS, JDBC, Oracle 10g, CVS, ANT 1.5, TOAD and Log4J 1.2, Windows 7.

Confidential

Java/ J2EE Developer

Responsibilities:

• Created various modules and components as per business requirement. 
• Extensively used MVC architecture and JBoss for deployment purposes. 
• Provided technical support for various key business releases. 
• Involved in development activities using Core Java/J2EE, Servlets, JSP, JSF used for creating web application, XML.
• Worked with Core Java, Servlets, JSP and JDBC.
• Used Hibernate framework for accessing oracle database and call stored procedures.
• Coordinated with multiple teams to Resolve assorted items involved as part of big releases. As the functional owner & senior java developer in the team, completed various code reviews and provided my input to make system more agile and easily maintainable. 
• Built the backend services, which will be consumed by action classes of studs. 
• Created SOAP web Services to allow communication between the applications. 
• Creation of static pages to be turned into JSP templates.
• Developed and analyzed the front-end and back-end using JSP, Servlets and Spring 3.0. 
• Integrated Spring (Dependency Injection) among different layers of an application. 
• Worked with Agile methodology. 
• Creating new billing features in JSF for internal users and Ops. 
• Worked with Core Java code extensively using interfaces and multi-threading techniques. 
• Used Spring framework for dependency injection, transaction management. 
• Used Spring MVC framework controllers for Controllers part of the MVC. 
• Used Java Message Service (JMS) for reliable and asynchronous exchange of valuable information, such as loan status report. 
• Developed the business logic code in Core Java/J2EE, Hibernate, Struts, JDBC etc.
• Removing validation errors from JSP files. 
• Implemented various complex PL/SQL queries. 
• Worked with testers in resolving defects in the application and was an integral part of the team. 
• Interacted with Business Analysts to come up with better implementation designs for the application. 
• Involved in designing Spring MVC application and Hibernate to design module structure.
• Excellent in handling many projects using Multi-threading in Core Java.
• Worked on Web Technologies using HTML, CSS, JavaScript, jQuery, AJAX. 
• Designed dynamic client-side JavaScript codes to build web forms and simulate process for web application, page navigation and form validation. 
• Implemented functionality using Servlet, JSP, HTML and Struts Framework., Hibernate, Spring, JavaScript and Weblogic. 
• Used jQuery and Angular for the dynamic list controls. 
• Developed JSP as the view, Servlets as Controller to make calls to EJB as model. 
• Interacted with the users in case of technical problems & mentoring the business users. 
• Worked with the ISP Site Development to get any infrastructure related issues fixed. 
• Developed page specific elements, handlers, web beans, view helper classes, JSP pages & fragments by using design patterns and java standards. 
• Implement the best practices and performance improvement / productivity plans. 
• Co-ordination of activities between off-shore and onsite teams. 
• Developed the presentation layer and content management framework using HTML and JavaScript. 

Environment: JAVA, J2EE, Servlets, Struts, JMS, JSP, Spring, Hibernate, Spring MVC, SOAP Web Services, Core Java, HTML, CSS, JavaScript, JDBC, AJAX, JSF, Agile Methodology, jQuery, EJB, PL/SQL, XML, UML, UNIX, Oracle 10g, JBOSS, Eclipse.