PROFESSIONAL SUMMARY:

• Having 6+ years of extensive IT experience in all phases of Software Development Life Cycle (SDLC) which includes Development, Design, Analysis, Testing and Integration of various web based and client/server applications in multi - platform environments with JAVA/J2EE technologies.
• Experience in developing applications using SDLC methodologies like Waterfall, Agile (SCRUM) and Test-Driven Development.
• Created and developed Web Pages using HTML5, CSS3, JavaScript, JQuery, Ajax, Bootstrap, and modern Java script Libraries like AngularJS and NodeJS for Server-Side scripting.
• Achieved 100 % Responsive Web Design using Bootstrap Grid for styling the web pages.
• Used Java 1.8 features such as Lambda Expressions to make the code concise and Stream API to increase the performance.
• Experience in developing and deploying applications on Cloud Platforms like Amazon Web Services.
• Managed Amazon Web Services like EC2, S3 bucket, ELB, Auto-Scaling, SNS, SQS, Dynamo DB, Elastic search through AWS Console and API Integration.
• Excellent in deploying the applications in AWS as EC2 instances and created snapshots for the data that had to be stored in AWS S3.
• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed reaching one or more EC2 instances.
• Experienced in developing web-based applications using Java/J2EE, Servlets, Struts, Spring IOC, Spring MVC, Spring AOP, Spring Security, Spring Boot, JDBC, Web Services (SOAP & RESTful services) and ORM frameworks like Hibernate.
• Portable deployment of applications as a single object using Docker.
• Expert in Core Java and implementing concepts like Multithreading, Concurrency, Exception Handling, File handling, IO, Generics and Java collections in various projects.
• Expertise in implementing design patterns like Singleton, Prototype, Session, Front Controller and DAO pattern.
• Developed Web and other components using Service Oriented Architecture (SOA) and Micro Services Architecture based J2EE applications.
• Developed and maintained components using Spring Boot in a Micro Services Environment.
• Experience using Hibernate for mapping Java classes with database and using Criteria API and Hibernate Query Language (HQL).
• Good Knowledge of Data Access Object (DAO) pattern to introduce an abstraction layer between the Business logic tier (Business object) and the Persistent Storage tier.
• Excellent in developing implementations for DAO Modules by consuming SOAP and REST services by using frameworks like JAX-RS, JAX-WS, Apache Axis and Jersey Frameworks.
• Proficient in developing RESTful web services in Java using XML, JSON.
• Experienced in using Enterprise Messaging Systems like JMS and RabbitMQ for sending over asynchronous email notifications to the clients as well as subscribers.
• Worked with Relational and Non-Relational databases like Oracle, MySQL, IBM DB2and Hands-on Experience in working with NoSQL Database like MongoDB, Cassandra to manage extremely large data sets.
• Hands on experience in writing Unit Test Cases for UI and Backend with JUnit, Mockito and Groovy.
• Experienced with deploying applications on to production servers, configuring various parameters of servers like Apache Tomcat, JBOSS, BEA Web logic, IBM Web Sphere.
• Actively involved in the DevOps streamlining process through Jenkins CI and CD Release Automation.
• Used version controller tools like Tortoise Subversion (SVN) and GIT.
• Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI’s.
• Experience in working with IDE’S like Eclipse, Spring Tool Suite (STS), and Intellij.
• Have extensive experience working on Windows, Linux and UNIX Operating Systems.
• Work experience with a wide variety and diversified teams since the beginning of the career and experience of providing training to business users.

TECHNICAL SKILLS:

Languages: C, C++, Java 1.8, J2EE, SQL and PL/SQL

Markup/XML Technologies: HTML5, CSS3, Bootstrap, JavaScript, jQuery, Ajax, AngularJS, NodeJS, XML, XSD, XSL/XSLT, SAX/DOM and JSON.

Tools: & Framework: Struts, Spring, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Security, Spring Boot, JSF, JUnit, SOAP UI, Jersey.

Build Automation: ANT, Maven, Jenkins, Gradle. SOAP, RESTful, UDDI, WSDL, JAX: RPC, JAX-RS, JAX-WS, JAX-B, Micro services, Apache CFX.

Cloud Technologies: Amazon Web Services (EC2, SQS, S3), and Spring Cloud.

Web/App Servers: Web Sphere, Apache Tomcat, JBoss, Web Logic Server and Apache Camel

Oracle, MS SQL: Server, MySQL, IBM DB2, MongoDB.

IDE tools: Eclipse, Spring Tool Suite (STS) and IntelliJ.

Testing Tools/ Others: Selenium, JUnit, Soap UI and Mockito.

Version Control: Tortoise SVN and GIT.

OS & Environment: Windows, Sun Solaris, UNIX

PROFESSIONAL EXPERIENCE:

Confidential, Des Moines, IA

Full Stack Java 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.
• Upgraded existing UI with HTML5, CSS3, JQuery and Bootstrap with AngularJS interaction.
• Designed, developed a custom, single-page, responsive web application on front end using AngularJS.
• Used React.js to create Controllers to handle events triggered by clients and send request to server.
• Developed forms for user event handling and validations using JavaScript's and AJAX.
• Used Java 8 features like stream and Lambda expressions.
• Maintained Interface compatibility and concurrency in the project using Java 8 new features like default, static methods and Concurrency API.
• Developed various helper classes needed following Core Java multi-threaded programming and Collection classes.
• Implemented the application using Spring IOC, Spring MVC Framework, Spring Batch, Spring Boot and handled the security using Spring Security.
• Designed and developed third-party payment services, REST services to offer users convenient payment methods using various APIs provided by various third-party payment processors based on OAuth protocol.
• Involved in multi-tiered J2EE design utilizing Spring Inversion of Control (IOC) and Hibernate.
• Used Spring AOP Module to implement logging in the application to know the application status.
• Responsible for creating an instance on Amazon EC2 (AWS) and deployed the application on it.
• Installed, secured, and configured AWS cloud servers and Amazon AWS virtual servers (Linux).
• Designed and developed Micro Services business components using Spring Boot.
• Developed Restful Micro Services using Spring Rest and MVC, for OSS services.
• Hands on Coding to build REST Micro Services using Spring Cloud, Oracle, XSD, JSON, Spring Config, Cloud Foundry and Jenkins.
• Developed REST architecture based web services to facilitate communication between client and servers.
• Developed the persistence layer using Hibernate Framework, created the POJO objects and mapped using Hibernate annotations and Transaction Management
• Implemented Web-Services to integrate between different applications components using Restful web services by using Jersey .
• Implemented service methods and SQL queries, PL/SQL to interact with the Oracle DBMS.
• Performed deployment of applications on JBOSS Application Server
• Extensively used JSON to parse the data from server side to satisfy the business requirement.
• Extensively used JUnit for unit testing, integration testing and production testing.
• Knowledge on API-level integration tests using mocha tests .
• Involved in installing and configuring Maven for application builds and deployment
• Configured and customized logs using Log4J.
• Designed and developed the End Points (Controllers), Business Layer, DAO Layer using Hibernate/JDBC template, using Spring IOC (Dependency Injection).
• Used JIRA to assign, track, report and audit the issues in the application.
• Setup the continuous Integration (CI) and continuous Deployment (CD) 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 and creating new branch when new feature implementation starts.

Environment: Java 1.8, HTML5, CSS3, Bootstrap, JavaScript, JQuery, AngularJS, AJAX, NodeJS, Elastic Search, Agile(SCRUM), Spring MVC, Hibernate, JSP, JMS, Spring, MongoDB, Oracle, SQL, PL/SQL, Spring Batch, Spring Boot, Spring Security, JSON, XML, GIT, JUnit, Maven, WebSphere, Rest Restful, JAX-RS, RAD, Log4J, SOA, AWS EC2, Micro Services, JIRA, Jenkins.

Confidential, Overland Park, KS

Java/J2EE Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modeling, analysis, design, development and testing.
• Followed Agile Methodology for project implementation and continuous improvement and Test-Driven Development (TDD) environment.
• Developed the application using J2EE Design Patterns like Business Delegate, Factory, Singleton, Session Facade, Service Locator and DAO.
• Build Web pages that are more user interactive using HTML5, CSS3, AJAX, JavaScript, Bootstrap and Angular JS.
• Implemented different validation control on the web-pages using AngularJS and developing a cross-platform JavaScript based solution using AngularJS.
• Called REST web services through Angular JS services to get JSON Object and modified the response object to display in UI.
• Developed REST micro services using Spring Boot , Spring Cloud and Docker and deployed them to AWS.
• Developing Spring MVC Controllers for handling of web requests from the presentation layer by use of URL Handler Mapping.
• Designed and developed Microservices business components using Spring Boot.
• Used Spring MVC components to implement business layer and Spring Boot for Micro-services .
• Created Rest service for authentication using Spring Boot with embedded Tomcat server.
• Developed Micro Services using Spring Rest and MVC, for OSS services.
• Consumed REST based Micro services with Rest template based on RESTful APIs .
• Utilized spring core , AOP and security to build robust business operations with transactional support.
• Used ORM (Object Relational Mapping) technology Hibernate for database access. Involved in writing the SQL and PL/SQL procedures in Oracle DB.
• Configured the Database Tables with java objects using Hibernate Config XML files.
• Used RESTful API and experience in web services, developed using JAX- RS and SOA.
• Created RESTful web services interface to Java-based runtime engine and accounts.
• Integrated Rabbit MQ and spring JMS API to send and receive message for the application's Restful API.
• Implemented Multithreading, Concurrency, Exception Handling and Collections whenever necessary.
• Used Maven as build tool and deployed the java application using Maven build script.
• Experienced in generating logging by Log4j to identify the errors in production test environment and experienced in Ant and Gradle tools.
• Involved in JUNIT testing for the component testing.
• Involved in writing test cases for all the java classes developed using Junit framework.
• Developed unit and integration tests for existing microservices using Mockito and Docke r environments.
• Compiled and built the application using Maven scripts and deployed the application.
• Configured and used JIRA for bug tracking and functional testing.
• Extensively worked on Jenkins for continuous integration (CI) and for End to End automation for all build and deployments.
• Used GIT as the version control tool and Eclipse as IDE.

Environment: Java, J2EE, HTML5, CSS3, JSP, JavaScript, AngularJS, Spring, Hibernate, MVC, Restful Web Service, Micro Services, SQL, PL/SQL, Rabbit MQ, IBM Web Sphere, log4j, JUnit, Mockito, Docker, Junit, Jira tool, Jenkins, Maven, JIRA, Eclipse, Oracle, XML, DOM, GIT.

Confidential, Cincinnati, OH

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, JQuery, Ajax and Java script.
• 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.
• 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.
• Used Tortoise SVN 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: HTML, CSS, JQuery, Ajax, Struts, Hibernate, Spring MVC, RESTful, HQL, SQL, IBM WebSphere Server, Oracle, JMS, JNDI, Maven, RMI, Eclipse IDE, UML, JIRA, Tortoise SVN, LINUX.

Confidential, Salt Lake City, UT

Java Developer

Responsibilities:

• Involved in client requirement gathering, analysis & application design.
• Involved in the implementation of design using vital phases of the Software development life cycle (SDLC ) that includes Development, Testing, Implementation and Maintenance Support in Water fall methodology.
• Developed the UI layer with JSP, HTML, CSS, Ajax and JavaScript .
• Used JavaScript to perform client side validations.
• Ajax was used to make Asynchronous calls to server side and get JSON or XML data.
• Developed server side presentation layer using Struts MVC Framework.
• Developed Action classes, Action Forms and Struts Configuration file to handle required UI actions and JSPs for Views.
• Developed batch job using EJB scheduling and leveraged container managed transactions for highly transactions.
• Used various Core Java concepts such as Multi-Threading, Exception Handling, Collection APIs, Garbage collections for dynamic memory allocation to implement various features and enhancements.
• Implemented and developed REST and SOAP based Web Services to provide JSON and Xml data.
• Involved in implementation of web services (top-down and bottom-up).
• Used JPA and JDBC in the persistence layer to persist the data to the DB2 database.
• Created and written SQL queries, tables, triggers, views and PL/SQL procedures to persist and retrieve the data from the database.
• Performance Tuning and Optimization with Java Performance Analysis Tool.
• Implement JUnit test cases for Struts/Spring components.
• JUnit is used to perform the Unit Test Cases.
• Used Eclipse as IDE and worked on installing and configuring JBOSS.
• Made use of CVS for checkout and check in operations.

Environment: Java, JSP, HTML, CSS, AJAX, JavaScript, JSON, XML, Struts, Struts MVC, JDBC, JPA, Web Services, SOAP, Restful, Web Services, SQL, JBOSS, DB2, ANT, Eclipse IDE, JIRA, CVS and UNIX.

Confidential

Java Developer

Responsibilities:

• Developed web application using Struts, JSP, Servlets that uses MVC design pattern
• Created user-friendly GUI interface and Web pages using HTML, CSS and JSP
• Created the action and form classes, based on the Structs framework, to handle the pages.
• Wrote JavaScript for client side validation.
• Used Eclipse as IDE tool for creating Servlets, JSP, and XML.
• Wrote SQL for JDBC prepared statements to retrieve the data from database.
• Creates SQL Queries using Joins, Unions, Nested Selects and aggregate functions.
• Implemented Multithreading to achieve consistent concurrency in the application.
• Monitored the logs using Log4J and fixed the problem
• The application was deployed on the Tomcat.
• Involved in build and deploying the application using Maven
• Used CVS as version control system

Environment: Core Java, JDBC, Multithreading, Struts, JavaScript, HTML, CSS, JSP, Servlets, EJB, Apache Tomcat, Oracle, Eclipse IDE, CVS, Maven, Log4J.