SUMMARY:

• Around 7 years of experience as a Software Developer focusing on analysis, design, implementation, integration, testing and maintenance of applications using Java/J2EE and Object - Oriented Client-Server technologies.
• Strong experience in Software Development Life cycle (SDLC) including Design, Implementation & Testing using software methodologies like Waterfall and Agile.
• Experience in designing and developing complex applications by creating UML diagrams like Use Case, Class, Sequence, process flow diagrams; and implementing J2EE design patterns as needed.
• Proficiency in developing Model View Controller (MVC) Architecture based applications using Struts, spring and JSF Frameworks.
• Experience in design patterns: Singleton, Facade, Factory, Service, Iterator, Locator, Transfer Object, Front Controller, DAO, Command, Observer, Delegate.
• Experience in developing GUI using Web-Development technologies like JavaScript, CSS3, HTML5, Angular JS, Bootstrap, JSF, and jQuery.
• Knowledge of AngularJS practices and commonly used modules based on extensive work experience.
• Experience in Amazon AWS Cloud Administration which includes services: EC2, Cloud Watch, S3, EBS, VPC, ELB, lambda, Auto Scaling, Security Groups, ECS, Kinesis, Cloud Watch and Cloud Formation.
• Expertise in Core Java with understanding & working knowledge of Object Oriented Programming and API's like Collections, Multi-Threading, Exception-handling.
• Experience in using persistence frameworks like Hibernate for Object Relational Mapping (ORM).
• Design and development of web-based applications using different Application servers such as Apache Tomcat, WebSphere, JBOSS, and WebLogic.
• Strong experience in ANT and Maven build tools.
• Extensive experience in designing and developing J2EE compliant systems using IDE tools like Eclipse, Net Beans, My Eclipse, RAD and IntelliJ.
• Expertise in developing SOA (Service Oriented Architecture), REST & Web Services based on SOAP WSDL, RPC using tools like Apache Axis.
• Experience in High volume transaction systems.
• Experienced working in UNIX, Linux, & Windows environments and experience with Continuous Integration Tools (Jenkins, Hudson, Bamboo).
• Expertise in database modeling, administration and development using SQL and PL/SQL in Oracle, MySQL, MongoDB and SQL Server environments.
• Good experience in writing SQL Queries, Stored Procedures, functions, packages, tables, views, triggers, data connectivity and data integration of Oracle.
• Used SVN, CVS, Clear case & Clear Quest for Version controlling & error reporting.
• Experience with JUnit in performing unit testing and determining the application functionality and monitored the error logs using Log4J.

TECHNICAL SKILLS:

Programming Languages: Core JAVA, J2EE, XML, Unix Shell Script

Web Technologies: AngularJS, CSS, JavaScript, AJAX, Servlets, JSP, JAXP, JAXB, HTML5

Frameworks: Struts, Tiles, Hibernate, Spring

Tools: & Utilities Eclipse, RAD, STS, Notepad++, Putty, HP Quality Center, SoapUI, REST Client

Application Servers: JBOSS, WebLogic, WebSphere, Tomcat.

RDBMS: Oracle, MySQL, MS SQL Server, MS Access

Source Control: CVS, SVN, Github

Design Patterns: MVC, Singleton, Facade, Factory, Service Locator, Transfer Object, Front Controller, DAO, Command, Observer, Delegate

Build/CI tools: ANT, Maven, Jenkins

Logging & Testing tools: Log4J, J-Unit

PROFESSIONAL EXPERIENCE

Confidential, Buffalo, NY

Java Full Stack Developer

Responsibilities:

• Involved in complete SDLC, which includes Requirements Gathering, Analysis, Design, Development, Implementation, Enhancements, Maintenance, and Support.
• Designed Use Case Diagrams, Class Diagrams and Sequence Diagrams and Object Diagrams to model the detail design of the application using UML.
• Applied the advantages of Spring Core container for develop the applications loosely coupled and used Spring MVC for creating the independency in presentation layers from the business layers.
• Developed UI components, implemented event handling using HTML5, JavaScript, jQuery, AJAX, and worked on CSS3 to get consistent look and feel of the web site.
• Utilized the AngularJS directives, factory, service and filters. Created a number of custom directives to reuse them across the application.
• Used various Web Server Validation controls like Compare Validator, Required field Validator to authenticate each and every control on a Web form.
• Used AngularJS for constructing clean, modular, reusable services, models, controllers, and templates, data-binding, and routing.
• Used SOAP Web Services and SOAP messages for getting business logic plans from various modules and used XML parsers for data retrieval.
• Used JavaScript and AngularJS for client-side validations and also used SOAP UI for testing the web services by sending a SOAP request.
• Implemented Micro Services based on Web API utilizing Spring Boot.
• Used Hibernate framework for back end development and Spring dependency injection for middle layer development.
• Developed various helper classes needed following core java multi-threaded programming and Collection classes.
• Used Java Message Service (JMS) for reliable and asynchronous exchange of confidential data, both internally and externally.
• Deployed the application on the WebLogic Application Server over the HTTP protocol.
• Use Subversion (SVN) version control system to maintain current and historical versions of files such as source code, web pages, and documentation.
• Designed, configured & managed public & private cloud infrastructures using Amazon Web Services (AWS), involving VPC, EC2, S3, Cloud Front, ELB & Elastic Beanstalk.
• Extensively worked on Stored procedures, Triggers, Functions, Views and Cursor for accessing the database from SQL Server.
• Extensively used JUnit framework for unit testing and code Quality. Involved with integration testing patterns and automated testing.
• Provided Log4j support for the application for debugging the system.

Confidential, Dover, NH

Java/J2EE Developer

Responsibilities:

• Involved in application development by coordinating requirements, schedules, and team meetings, troubleshooting.
• Worked in SCRUM team for rapid development and improve coding efficiency.
• Requirement analyzing process and business logic assessment, having communication directly with client
• Used Spring MVC, Spring AOP, Spring IOC and Hibernate Mapping to establish the Connection with Database for Stored Procedures using Beans and Annotations.
• Developed controller classes, backend process, complex services & database interaction.
• Used Spring Boot framework to create the services, models, Delegates for API's while provisioning or decommissioning.
• Involved in creating Hibernate POJO Objects and mapped using Hibernate Annotations.
• Developed User interface using AngularJS, JSF, JSP, HTML, JavaScript, and CSS, Ajax and jQuery, and JSON.
• Developing the Single Page Web Application for various modules like Usage Monitoring, Accounting, Registration, & Storage Management using AngularJS framework, HTML, CSS, and JavaScript.
• Experience in development and consuming RESTful (JAX-RS) web services using Restful Template.
• Experience with SOAP web services using JAX-WS implementation.
• Hibernate has been used as the ORM framework to persist the data and Hibernate XML mapping has been used to map the Java objects to database tables
• Consumed Rest based web services from Angular JS with HTTP services.
• Used Eclipse as IDE; configured the application onto Tomcat Application Server using Maven build scripts to automate the build and deployment process.
• Created DDL and DML SQL scripts for creation of database objects in Oracle DB. Wrote SQL statements and procedures to fetch the data from database.
• Worked on Log4j for logging errors, messages and performance logs and GIT for version control.
• Focused on Test Driven Development thereby creating detailed JUnit tests for every single piece of functionality before actually writing the functionality.
• Used JIRA tool for bug tracking, monitoring of work assignment in the system.

Confidential, New York, NY

Java/J2EE Developer

Responsibilities:

• Involved in all the different stage of SDLC like requirement gathering, High level design, Low level design reviews, Coding, Code reviews and defect fixing.
• Designed the data flow for the client-side screens and the object interaction layer for the server-side components using Rational Rose.
• Developed Struts forms & actions to validate user request data & app functionality.
• Developed Struts MVC framework by using Action Servlets classes for Controller and developed Form Beans for transferring data between Action class and the View Layer.
• Designed and developed the UI using Struts view component, JSP, HTML, CSS and JavaScript, AJAX, JSON.
• Developed Web services to allow communication between application through SOAP over HTTP using Apache CXF.
• Designed and implemented Java Classes to use JAXP parser to create Java objects so as to be able to modify the data received in the response.
• Used XML Http Request Object to provide asynchronous communication as part of AJAX implementation.
• Used Eclipse IDE along with Maven as the software management and comprehension tool, which managed entire project build, reporting and documenting needs.
• Responsible for writing EJBs like Session Beans for database access with WebLogic.
• Created SQL queries, PL/SQL Stored Procedures, Functions for Database layer by studying required business objects & validating them with Stored Procedures in Oracle.
• Worked closely with various teams to resolve issues which include: Business, QA, Build& Deployment, Off-shore, Production Support teams.
• Developed unit and functional test cases using JUnit.
• Used Log4J utility to log error, info and debug messages.
• Used Rational Clear Case for version controlling.

Confidential, Nashville, TN

Java Developer

Responsibilities:

• Worked in different phases of SDLC process to implement functionality of the app.
• Designed & developed front end screens using Java, JSP, Servlets and Struts framework.
• Implemented MVC Design Patterns using Struts Framework.
• Used Struts Tiles Framework for designing the layout of the application.
• Used validator framework to validate various fields in the application using XML files with rules.
• Developed Action Form, Action Class, Action Forward Servlets and Struts Configuration File
• Applied CSS (Cascading Style Sheets) for entire site for standardization of the site.
• Used JavaScript for client-side validations.
• AJAX for the asynchronous server calls.
• Supported integration efforts between the Struts Action classes and the EJB's services layer Implemented JPA for persisting data into database.
• Used Design Patterns like DTO and DAO, Session Facade, service locator.
• Worked on JBOSS application server to deploy the application.
• Used JPA framework for DAO layer to access the MySQL database.
• Developed and debugged the application using RAD IDE.
• Involved in developing Unit, System and Integration test
• Involved in the preparation of use case, class and sequence diagrams using Rational Rose.
• Worked with QA team to resolve the defects and UAT defects with the business users.

Confidential, Richmond, VA

Web Developer

Responsibilities:

• Participated in Requirements Analysis, and Design and Development phases of the project with major emphasis on Development of the modules.
• Designed the application using the core J2EE design patterns Singleton, Session Façade, Business Delegate, and Service Locator.
• Documented the design documents using Class Diagrams and Sequence Diagrams using the Rational Application Developer.
• Developed the interactive web page using Struts, Hibernate, Ajax, XML, Object oriented JavaScript.
• Used JIRA issue tracker to file the bugs.
• Mapped (one-to-many, one-to-one, many-to-one relations) DTOs to Oracle Database tables and Java data types to SQL data types by creating Hibernate mapping XML files.
• Wrote stored procedures for common SQL queries on Oracle database.
• Developed various Database interaction objects by implementing the DAO Patterns and used JDBC as Model Component.
• Used SAX Parser for parsing the xml document.
• Implemented Log4j by enabling logging at runtime without modifying the application binary.
• Involved in Unit Testing and Bug-Fixing and achieved the maximum code coverage using JUnit test cases.
• Used ANT Script for building and deploying the application to Apache Tomcat server.