SUMMARY

• Having 8 years of experience in all phases of software development life cycle (SDLC), which includes User Interaction, Business Analysis/Modeling, Design/Architecture, Development, Implementation, Integration, Documentation, Testing, and Deployment of desktop, Enterprise and Web based applications using Java, J2EE technologies.
• Strong application development experience in using Agile Software Development methodologies like Scrum, Sprint and Traditional software models like Waterfall and TDD.
• Expertise in developing web pages using HTML, CSS, JavaScript, jQuery, Ajax, AngularJS, Bootstrap with webpage cross browser compatibility and responsive web design and Server scripting language like Node JS, BackboneJS.
• Expertise in Web Front End Technologies Struts, Tag Libraries and Struts custom validation rules, Tiles, JSTL, Java Script, DHTML and XML/XSL.
• Developed web - based enterprise applications using core Java, J2EE, Servlets, JSP, EJB, JMS, JDBC, Hibernate, Web Services (SOAP and REST), MVC framework (Struts, Spring MVC), SQL and Object Oriented Programming techniques.
• Proficient in core java concepts like Collection Framework, Multi-threading, Generics, Annotations, Serialization, Thread pools, JavaBeans, Externalization.
• Proficient in implementation of frameworks like Struts, Spring (Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Security, Spring Boot, Spring Data, Spring Batch), JSF, AJAX frameworks (RichFaces, MyFaces) and ORM frameworks like Hibernate, IBATIS.
• Expertise XML technologies like DTD, XSD, XSLT and various parsers like DOM, SAX and JAXB.
• Extensive experience working with RDBMS such as MySQL, MS SQL Server, Teradata, DB2, Oracle.
• Experience in working with the NoSQL Database like MongoDB to manage extremely large data sets.
• Expertise at JDBC API for connection and access to databases.
• Expertise in Creating Hibernate configuration file, Hibernate Mapping files and defined persistence classes to persist the data into Oracle Database.
• Proficient in developing Web Services, related technologies &frame works: WSDL, SOAP, REST, JAX-WS, JAXB, JAX-RPC, AXIS and Jersey, SOAP UI and generating client’s client using Eclipse for Web Services consumption.
• Knowledge on Java8 features like lambda expressions and Java Stream API.
• Experience with and solid understanding of Microservices.
• Managed Amazon Web Services like EC2, S3 bucket, ELB, Auto-Scaling, SNS, SQS, AMI, IAM, Dynamo DB, Elasticsearch, Virtual Private Cloud (VPC) through AWS Console and API Integration.
• Hands on experience in creation, Configuration and management of MQ series objects like Queue Managers.
• Worked on deployment, installation, configuration and issues with Application servers like Apache Tomcat, IBM Web Sphere, BEA WebLogic and JBoss Enterprise Application Server.
• Experience in implementing Design Patterns like Singleton, Factory, MVC, Data Access Object and Business Delegate.
• Experienced in developing UML diagrams with Star UML, Rational Rose.
• Experience on different IDEs such as RAD, Eclipse, Spring Tool Suite, and IntelliJ.
• Actively involved in the DevOps streamlining process through Jenkins CI and CD Release Automation.
• Subversion SVN, CVS, GIT and Visual Source Safe as versioning software tools.
• Experienced in transferring data from different data sources into HDFS systems usingKafka producers, consumers andKafkabrokers
• Hands on experience in building tools like ANT, Maven, Gradle.
• Extensively usedApacheCamelfor transformation and used both Java DSL and XML DSL.
• Extensively worked on Pivotal Tracker and JIRA tools for tracking stories in a Project in a different methodology of Software Development Life Cycle.
• UsedApachePOIto convert XML files to Excel files and to read Excel files.
• Configured and created application log files using Log4J to trace required application messages.
• Having Experience on UNIX, Linux commands and Deployment of Applications in Server and ability to work effectively on Windows platforms.
• Ability to work effectively in cross-functional team environments and experience of providing training to business user.
• Good understanding of Business workflow, Business logic and Business methods for further implementation of user requirement in a distributed application environment

TECHNICAL SKILLS

Languages: C, C++, Java, J2EE, SQL, PL/SQL, Python

Enterprise Java: Java, J2EE, Swing, RMI, Sockets, JDBC, Servlets, JSP, JMS, Java Beans, JSTL, JSF, Struts, EJB, Spring, JTA, JNDI and JPA

Web/XML Technologies: HTML, XHTML, JavaScript, AngularJS, CSS, XML, XSD, XSL/XSLT, SAX/DOM, AJAX, JQuery, JSON, Backbone JS, DOJO, NodeJs.

Tools: & Framework: Struts, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, JMS, JSF, Log4J,Mockito, SOA, Jasper reports, SOAP UI, Spring Boot, Spring Batch, Spring Security, Spring Data.

Web services: SOAP, RESTful, UDDI, WSDL, JAX-RPC, JAX-RS JAX-WS, JAX-B, Apache Axis2, Apache CFX, JMS, MQ, AWS

Web/App Servers: Web Sphere, Apache, Tomcat, JBoss, EAP, Weblogic, Apache Camel

Database: Oracle, SQL-Server, MySQL server, MS SQL, IBM DB2, MongoDB and NoSQL, Cassandra.

Development Tools: Eclipse, My Eclipse, RAD, Spring Tool Suite (STS), IntelliJ

O-R mapping: Hibernate, JPA, JTA

Modeling/ CASE Tools: Rational Rose, MS Visio Professional, Star UML

Testing Tools/ Others: JUnit, SoapUI, Putty, Rational Clear Quest, RTC, LoadUI, JIRA

Version Control: GIT, CVS, SVN, Rational clear case, Star Team

Platforms: Windows, Win 2k Server, Sun Solaris, UNIX

Cloud Technologies: AWS EC2

PROFESSIONAL EXPERIENCE

Confidential, Des Moines, IA

Sr. Full Stack Developer

Responsibilities:

• Involved in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC) and used agile methodology (SCRUM) for developing application.
• Application is implemented using agile methodology where there is a daily SCRUM meeting to understand the status and resolve any issues.
• Designed, developed a custom, single-page, responsive web application on front end using AngularJS.
• Developed reusable components using JavaScript, XML and HTML.
• Working as an application developer experienced with controllers, views and models in BackboneJS.
• Developed forms for user event handling and validations using JavaScript's and AJAX.
• Upgraded existing UI with HTML5, CSS3, JQuery and Bootstrap.
• Implemented modules into NodeJS to integrate with designs and requirements and developed real time tracking of class schedules using NodeJS.
• Designed and developed the End Points (Controllers), Business Layer, DAO Layer using Hibernate/JDBC template, using Spring IOC (Dependency Injection).
• Used Java-J2EE patterns like Model View Controller (MVC), Business Delegate, Data Transfer Objects, Data Access Objects, factory patterns.
• Involved in multi-tiered J2EE design utilizing Spring Inversion of Control (IOC) and Hibernate.
• Used Spring Framework AOP Module to implement logging in the application to know the application status.
• Used Spring DAO Module along with Struts Framework to deal with Database.
• Responsible for maintaining and expanding AWS (Cloud Services) infrastructure using AWS (SNS, SQS).
• Implemented the application using Spring IOC, Spring MVC Framework, Spring Batch, Spring Boot and handled the security using Spring Security
• Implemented Batch jobs to deal with Large number of chunks using Spring Batch Framework to execute the similar jobs simultaneously.
• Used Hibernate, object /relational mapping (ORM) solution, technique of mapping data representation from MVC model to Oracle Relational data model with an SQL-based schema.
• Designed and developed a JDBC driver that intercepts a create view DDL parses it, converts it to a relational model, and stores in the database.
• Used Apache POI for uploading Excel files and optimized the load time by extensively leveraging Java8 lambda expressions, Streams and parallel Streams.
• Implemented RESTful web services using Jersey for JAX-RS implementation.
• Implemented the REST API's and data transformers using the JAVA connector which involves use JAVA8 featuresLambdaand Streams in particular.
• Involves in the design and development ofRESTfulWebServicesusing Apache CXF.
• Developed user interface using JSP, JSP Tag libraries, third party libraries and Java Script to simplify the complexities of the application.
• Developed various UML diagrams like use cases, class diagrams, interaction diagrams (sequence and collaboration) and activity diagram.
• Performed CRUD operations like Update, Insert and Delete data in MongoDB.
• Worked on MongoDB database concepts such as locking, transactions, indexes, Sharding, replication, schema design, etc.
• Designed and developed MicroServices business components using Spring Boot.
• Proficiency in adoption of architecture paradigms such as SOA, Web services, Middleware technologies.
• Worked on distributed database management systems likeCassandra.
• Involved in developing Hive DDLs to create, alter and drop Hive tables and storm, &Kafka.
• Worked with core java concepts like Collections Framework, Multithreading and Memory management.
• Working on Automating the Testing effort using Selenium, Creating & reviewing the Test plan and Test Data for Automation Team folks.
• UsedApacheCamelfor routing the exchanges between different systems.
• Used Apache POI tocreate, modify, and display MS Office files usingJavaprograms.
• Utilizing in-depth technical knowledge with focus on IIB, IBM WebSphere Message Broker, IBM WebSphere MQ.
• Involved in installing and configuring Maven for application builds and deployment
• Worked on Log4J to validate functionalities and Mockito framework JUnit for unit testing
• Automate build process through Maven build framework
• Used JIRA to assign, track, report and audit the issues in the application.
• Setup the continuous Integration (CI) process for the application using the Jenkins.
• Used GIT to maintain the version of the files and took the responsibility to do the code merges from branch to trunk and creating new branch when new feature implementation starts.

Environment: HTML5, CSS3, JavaScript, Bootstrap, Agile(SCRUM), AngularJS, AJAX, Hibernate, Spring, MongoDB, Spring Batch, Spring Boot, Spring Security, Servlet, XML, GIT, JSP, Spring MVC, JDBC, Mockito, JUnit, Maven, IBM WebSphere, BackboneJS, Methodology, Cassandra, Kafka, Restful, Apache POI, Log4J, SOA, AWS, Java8, MicroServices, Java Server Pages, Automation Testing, Selenium, Apache Camel, JIRA, Spring Security, Jenkins and STS.

Confidential, Rochester, MN

Full Stack Developer

Responsibilities:

• Involved in the complete SDLC including design of System Architecture, development of System Use Cases based on the functional requirements.
• Involved in Daily Scrum(Agile) meetings, Sprint planning and estimation of the tasks for the user stories, participated in retrospective and presenting Demo at end of the sprint.
• Documented detailed technical design documents including class diagrams, technical flow diagrams and sequence diagrams.
• Responsible for development of Business logic in Core Java.
• Involved in the front end using JSP, JSTL JQuery, Servlets, HTML, JavaScript, and AJAX.
• Implemented MVC architecture using JSP, Spring, Hibernate and used Spring Framework to initialize managed beans and services.
• Involved in development of Agent Verification System using Spring MVC framework.
• Used Spring Inheritance to develop beans from already developed parent beans.
• Used Spring AOP for logging, auditing, transaction management to distinguish business logic from the cross cutting concerns.
• Used Spring Security for Authentication and Authorization of the application.
• Created data model and generated Hibernate mappings and domain objects using Hibernate tools.
• Interfaced with the MySQL back-end database by integrating Spring with Hibernate.
• ConsumedRESTfulServicesAPIs, and Local Storage for Data Persistence.
• Developed REST API for test server for Express Router middleware based API's with Mongo DB integration
• Implemented MongoDB database concepts such as Locking, Transactions, Indexes, Sharding, Replication, Schema design.
• Extensively used hibernate named queries, criteria queries, Hibernate Query Language (HQL) and Optimistic Locking and Caching to process the data from the database.
• Used object storage container to store the secured files, and retrieved from API by using Amazon web services(AWS).
• Designing and developed a data migration strategy and source to target mapping to migrate the data out of the legacy systems into the Cassandra customer DB.
• Responsible for design of WSDL files and schemas. Designed and hosted SOAP based Web Services on Web Sphere Application Server.
• Used Spring Core Annotations for Dependency Injection and usedApache Camel to integrate spring framework.
• Implemented quartz jobs for running the batch jobs based on the cron triggers configured in the spring files.
• Developed Unit /Integration test cases using Junit tool.
• Used Gradle tools for building and deploying the Web applications.
• Used JIRA tool for tracking stories progress and follow agile methodology.
• Used logging techniques provided by Log4j tool for efficient logging and debugging.
• Developed the application using Eclipse as the IDE and used its features for editing, debugging, compiling, formatting, build automation and version control (SVN).
• Involved in Maintenance and Enhancements for the project.

Environment: HTML5, CSS3, JavaScript, NodeJS, AngularJS, Agile, DHTML, Struts, Hibernate, Spring, Servlets, JSP, Junit, AJAX, JQuery, SOAP, WSDL, JAX-WS, Cassandra, Log4j, Apache Camel, RESTful, MongoDB, PL/SQL, web services, AWS, WebSphere Application Server, MySQL, Eclipse, Gradle, Junit, JIRA, SVN.

Confidential, St. Louis, MO

Java Developer

Responsibilities:

• Involved in SDLC requirements gathering, analysis, design, development and testing of application developed using Agile methodology.
• Created user-friendly GUI interface and Web pages using HTML, Angular JS, Node JS, JQuery, Ajax and Java script.
• Defined new validations through Angular JS for the form field validation implemented through HTML 5.
• Used Spring MVC and Dependency Injection for handling presentation and business logic.
• To maintain loose coupling between layers published the business layer as services and injected the necessary dependent components using Spring IOC and published cross cutting concerns like Logging, User Interface exceptions, Transactions using Spring AOP.
• Integrated Spring DAO for data access using Hibernate.
• Used Spring Security for Authentication and Authorization of the application.
• Implemented persistence framework using Hibernate & Handled Transaction Management using the provided data source.
• Extensively used JSON to parse the data from server side to satisfy the business requirement.
• Responsible for designing Hibernate mapping files based on business logic and Object relationships.
• Integrated Spring and Hibernate together and worked on developing backend components and services using Hibernate and spring and extensively used HQL and SQL for querying databases.
• Developed Message Driven Bean for asynchronous sending Messages using JMS.
• Consumed Web Services to interact with other external interfaces in order to exchange the data in different forms by using RESTful service.
• Used Spring JMS module for lookup for the queues and MDBs for the listeners
• Established Database Connectivity using JDBC, Hibernate O/R mapping with Spring ORM for Oracle.
• Packaged and deployed the application in IBM WebSphere.
• Written LINUX shell scripts to identify user login information.
• Used Log4J for application logging and notification tracing mechanisms.
• Used Maven tools for building and deploying the Web applications.
• Analysis and Bug fixing of the production problems and defects along with enhancements
• Implemented JUNIT test cases for unit testing and Suites for end to end testing.
• Used JIRA for tracking the Project Stories in Agile Methodology.
• UsedTortoise SVNto maintain the version of the files and took the responsibility to do the code merges from branch to trunk and creating new branch when new feature implementation starts.

Environment: HTML5, CSS3, AngularJS, NodeJS, JSON, XML, AJAX, JQuery, Struts, Hibernate, Spring MVC, RESTful, HQL, SQL, IBM WebSphere Server, Oracle, JMS, JNDI, Maven, RMI, Eclipse IDE, UML, JIRA, Tortoise SVN, LINUX.

Confidential

JAVA/J2EE Developer

Responsibilities:

• Was involved in all the phases of the project right from requirements gathering to maintenance.
• Participated in Functional Document reviews and created Technical documents.
• In architecting various Business Layer and Data Management components of multi-tiered web based system over J2EE architecture.
• Actively designed, developed and integrated the Metrics module with all other components.
• Used Spring Security to provide authentication, authorization and access-control features for this application.
• Used Scrum for managing product development.
• Development using Bootstrap for real time web development.
• Designed and developed Hibernate DAO's using spring framework's Hibernate Dao Support and Hibernate Template.
• Used selenium to automate the testing procedure for UI screens.
• Developed Struts Action and Form classes to accessJavaBeans and UI.
• Developed and deployed various Sessions beans.
• Used Spring Core for middle tier development to achieve inversion of control.
• Wrote complex queries and mapped database views using DAO in Oracle.
• Used various CoreJava concepts such as Multi-Threading, Exception Handling, Collection APIs, Garbage collections for dynamic memory allocation to implement various features and enhancements.
• Co-ordination with offshore team on development activities.
• Developed Use Cases, UML diagrams such as Sequence Diagrams, Activity Diagrams and Class Diagrams, for my application modules (Metrics).
• Developed Web Services using XML messages that use SOAP. Developed Web Services for Payment Transaction and Payment Release.
• Developed the application using RAD as the IDE and used its features for editing, debugging, compiling, formatting, build automation and version control (SVN).
• Involved in testing the applicable code using Mockito framework and JUnit.
• Wrote test cases in Junit for unit testing of classes and implemented the logging using Log4j.
• Retrieving code from the repository and deploying in Production using ANT

Environment: HTML, CSS, XML, DHTML, JSP, JavaScript, Servlet, Struts, Spring IOC, Spring Boot, Spring Data, JNDI, Hibernate, Log4j, Ant, WebSphere, Bootstrap, Scrum, Oracle, Rational Software Architect, Web Services(SOAP/WSDL), Web Logic Application Server, SVN,UNIX.

Confidential

JAVA Developer

Responsibilities:

• Developed web application using Struts, JSP, Servlet, Java beans that uses MVC design pattern
• Created user-friendly GUI interface and Web pages using HTML, CSS and JSP
• Wrote JavaScript for client side validation.
• Used Eclipse as IDE tool for creating Servlet, JSP, and XML.
• Wrote SQL for JDBC prepared statements to retrieve the data from database.
• Monitored the logs using Log4J and fixed the problem
• The application was deployed on the Tomcat.
• Involved in build and deploying the application using ANT
• Used CVS as version control system
• Worked on bug fixing and Production Support

Environment: J2EE, JDBC, Struts, JavaScript, Html, CSS, JSP, Servlet, Tomcat, Oracle, Eclipse IDE, CVS, ANT, Log4J.