SUMMARY

• Java/J2EE/Full Stack Developer around 6 Years of experience in Software Development Life Cycle (SDLC) include requirements definition, design, implementation, testing, maintenance and enhancing existing systems
• Technical expertise in the areas of object oriented analysis and design (OOAD).\
• Well experienced in Core Java - asynchronous programming, multithreading, collections and a few design patterns.
• Experience in J2EE, J2SE and related technologies like Java Scripts, JDBC, JSTL, JavaFX, Spring MVC, Spring Core, Spring AOP, Spring Batch, PA, Java Expression, Regular expressions, JSP, Servlets.
• Experience in development and implementation of RESTFUL and SOAP Web Services with JAX-RS, Spring and Spring Boot.
• Worked on Global Delivery Model, requirement gathering, analyzing, understanding the technical stack using for the project.
• Assigning the tasks and co ordinating with onshore and offshore teams in Global Delivery Model.
• Reducing the cost cutting by following the teams from onshore and offshore and maintain Global Delivery Model.
• Experience in working with databases like MongoDB, MySQL and Cassandra.
• Experience in managing large shared MongoDB cluster.
• Experienced with XML related technologies such XML, XSLT (DOM, SAX), XPATH and DTD.
• Extensive knowledge in developing complex Web Applications and interactive software products using HTML, CSS, Java Script, JQuery, AngularJS, ReactJS.
• Hands-on experience in creating Angular factories for using angular services like $http and $resource to make RESTful API calls to the Java based backend.
• Experience in developing Microservices with Spring and Spring Boot.
• Hands on experience in creating components using React.js
• Good experience in creating components documentation using react.js
• Experience with Data flow diagrams, Data dictionary, Database normalization theory techniques, Entity relation modeling and design techniques.
• Developed Complex database objects like Stored Procedures, Functions, Packages and Triggers using SQL and PL/SQL.
• Experience in MongoDB installation, patching, troubleshooting, performance, tracking/tuning, back - up and recovery in dynamic environments.
• Skilled in working with MVC framework Struts 2.0, ORM frameworks like Hibernate, JPA and spring, Swing.
• Experience in working with Database related Java technologies like, JDBC, JPA, SQL, PL/SQL, and Hibernate. Expertise at JDBC API for connection and access to databases.
• Experience in working, complex database, queries.
• Experience in Building, Debugging, Optimizing.
• Ability to work with distributed teams in a dynamic, iterative development process, Agile and water fall.
• Experienced in developing UML diagrams like Use Case Diagrams and Class diagrams, Sequence Diagrams and Behavior Diagrams
• Experience in Testing as in TDD and unit, Integration, system testing.

TECHNICAL SKILLS

Languages: Java 1.8/J2EE, J2ME, SQL, PL/SQL, C, C++, .Net, Smalltalk

Technologies: Servlets, JSP, Spring, Spring Boot, JDBC, JSTL, JNDI, Java Script, JavaFX, JPA, HIBERNATE, SOAP, ORM, AWS, Spring Batch

Web Technologies: HTML4/5, CSS/CSS3, DHTML, XML, JavaScript, JSTL, AngularJS 2.0, ReactJS, Expressions JQuery

Frameworks: Hibernate, Struts and spring, ATG 11.1

Databases: SQL Server (2005.2008), NOSQL, Oracle 8i /9i/10g (SQL, PL/SQL), MongoDB

Web Servers: Apache Tomcat, Glass Fish, JBOSS, Web Logic

Tools: Adobe Photoshop, Eclipse, Net Beans, Microsoft Visual Studio, ECMA script

Dev Methodologies: UML (Rational Rose), OOAD, JAVA/JEE/J2EE Design Patterns.

OS: Server 2005, 2008 - Windows XP/7/10, UNIX and Linux

PROFESSIONAL EXPERIENCE:

Full Stack Developer

Confidential, Minneapolis, MN

Responsibilities:

• Coordinate release activities with Project Management, QA, Release Management and Web Development teams to ensure a smooth and trouble-free roll out of releases.
• Designed and developed various modules of the application with J2EE design architecture, frameworks like Spring MVC architecture and Spring Bean Factory using IOC.
• Design and develop the processes using multithreading to make it asynchronous.
• Developed business layer using Spring, Spring Boot, Hibernate and DAOs.
• Created and Configure micro service architecture for CDT Directory project and integrated with AngularJS application.
• JQuery library, Backbone JS, React JS and Angular JS has been used for creation of powerful dynamic Web Pages and web applications by using its advanced and cross browser functionality.
• Experienced in routing the pages using React Router for developing Single Page Applications SPAs.
• Experienced in developing React components. Used Axios with ReactJs for making AJAX Calls. Worked on Webpack for build and webpack-dev-server a server.
• Developed RESTful Web services client to consume JSON messages using Spring JMS configuration. Developed the message listener code.
• Implemented the best practices in coding like removing unnecessary casting, using generics in HashMap, caching, Collections like sort, comparator, list, set and Design patterns.
• Used validators, converters and JavaScript in the application for validation.
• Implemented the managed beans and the service implementation for the application.
• Used singleton and factory design patterns for common functionality of buttons.
• Developed the custom components like radio box in JSF.
• Involved in batch processing using Spring Batch framework to validate feed files and load data into corresponding EBX5 tables.
• Documented how Spring Batch is useful for the current project.
• Developed controllers, services, business models, DAO’s for various modules of with web stores.
• Created PL/SQL stored procedures, functions and packages for moving the data from staging area to data mart.
• Coded scripts to create new tables, views, queries for new enhancement in the application using TOAD.
• Developed services such as Catalog service, Order service, Customer service, Content service and Payment service.
• Developed business tier components and services following SOA and using EJB, RESTful and SOAP based web services.
• Implemented DAO for data access using Spring ORM, Spring Boot and HIBERNATE.
• Developed database persistence layer components for mapping an object-oriented domain model to the relational database using ORM framework such as Spring JDBC Support, Hibernate and JPA.
• Implemented Swagger Configuration in Spring Boot for auto generating swagger JSON files for REST API calls.
• Installed/Configured MQ Series 5.3 and 6.0. Configured MQ as Foreign JNDI Servers in JBoss
• Used AJAX calls for data updates in UI along with JSON data parsing.
• Used Jenkins as the version controlling system, Maven to build applications and Eclipse as the IDE for application development.
• Adopted Agile Methodology, this includes daily standup, bi-weekly code review meetings with QE, showcasing the application to management and stakeholders completed in the past sprint and attending the sprint planning Session.

Environment: Java 1.8, J2EE, Spring IOC, Spring MVC, Spring Boot, SOAP Services and Restful Web Services using Microservices architecture, JAX-WS, JAXB, JSP, Servlets, XML, Hibernate, HTML, HTML5, Docker, ReactJS, Jenkins, JavaScript, AngularJS 2.0, jQuery, AJAX, Json, JUNIT, Testing, Eclipse, Spring Batch, JBoss, Tomcat, Oracle 10g, SOLR, AWS, DynamoDB, ANT, Hibernate databases, Windows XP.

Java/J2EE Developer

Confidential

Responsibilities:

• Designed and implemented a SOA microservice with a JSON HTTP REST API for recent activity feeds using AWS SQS to handle over 1-million writes per day
• Integrated front-end technologies like JSP and AJAX, java web frameworks Hibernate and Spring, Spring Boot and an Cassandra No-SQL database.
• Implemented exception handling in Spring Boot for REST API, by making use of Exception Handler and Controller Advice annotations.
• Extracted reusable modules from a monolithic application into libraries for use in new microservices.
• Worked with NoSQL Cassandra to store, retrieve, and update and manage all the customer account details.
• Used various bootstrap components like accordion, date picker, time picker, alert, buttons, modal and also react-bootstrap components.
• With the concept of ReactJs Worked on usage metrics and also end to end events tracing for analysis purpose.
• All the functionalities are implemented using Datastax Java API, Hector and Kundera API.
• Offering 24*7 support for the application in Global Delivery Model, where assigning the tasks to onshore and offshore teams.
• Experience with creating script for data modeling and data import and export. Extensive experience in deploying, managing and developing MongoDB clusters.
• Worked on MongoDB database concepts such as locking, transactions, indexes, Sharding, replication, schema design.
• Created multiple databases with shared collections and choosing shard key based on the requirements. Experience in managing MongoDB environment from availability, performance and scalability perspectives.
• Using the strategies in Global Delivery Model to deliver the work on time with effective cost cutting.
• Prepared User Manuals for the corresponding Screens.
• Involved in Bug fixing and functionality enhancements.
• Installed/configured MQ client libraries and made MQ series for JBoss applications.
• Enhanced the user interface for customer channel with desktop and mobile responsiveness using SFX, HTML, AngularJS, CSS, Java Script and JQuery.
• Installation and configuration of JBoss EWS and mod jk load balancing in a reverse proxy environment
• Configured MQ Queues Channels and created binding files for MQ applications usage.
• Experienced in Configuring WebSphere Process Server Golden Topology with Oracle, DB2 on z/os as its backend database.
• Migrated existing applications from WebSphere Application Servers 5/5.1 to 6/6.1 on Linux, windows and UNIX platforms.
• Experienced and expertise in WebSphere and J2EE administration and experienced in providing J2EE based solutions in clustered environments
• Experienced in creating Horizontal and Vertical Cluster configurations of WebSphere Application Servers and WebSphere Process Servers.
• Used JSP, AngularJS, JSTL tag libs and Java Script for developing the view tier and used Service Oriented Architecture with Java and XML, Involved in critical UI feature development.
• Worked on basic authentication in both Spring Boot and IIB, for implementing security between front end UI and backend SOA services (Spring Boot & IIB), using base 64 encoded authentication string.
• Development and unit testing of UI features and integration testing of features developed by me
• Compiled the source code, merged and integrated various modules of the application.
• Development of HTML pages and JavaScript for front-end validation.

Environment: Java 1.8, J2EE, Spring IOC, Spring MVC, Spring Boot, SOAP Services and Restful Web Services using Microservices architecture, JAX-WS, JAXB, JSP, Servlets, XML, Hibernate, Eclipse 3.2, Cassandra, IBM Data Studio TOAD, Jenkins, Tomcat 7 partly RAD related, WebSphere, AngularJS 2.0, Json, Mongo DB, Apache Tomcat Server, JBoss and Migration project is under Solaris.

Java/J2EE Developer

Confidential

Responsibilities:

• Involved in creating a web application with background in all phases of Software Engineering including Analysis, Design, Coding, Testing and Implementation as well as Waterfall model of development
• Implemented logic for enabling the conditions in the flow of business logic to UI.
• Designed and developed various Web forms using HTML, CSS, Bootstrap, JavaFX and JavaScript, React.JS
• Worked with HTML5, CSS3, JSON, JavaFX, JavaScript, Reactjs and ES6 for developing user interface.
• Used AngularJS as framework to create Single Page Applications which can bind data to specific views and synchronize data with server.
• Created custom directives and filters using AngularJS built-in $http service from controller through dependency injection.
• Performed Data Migration between multiple environments using mongodump and mongo restore commands.
• Enabled Journaling across all mongo instances for auto recovery of data after unexpected shutdown.
• Used MongoDB internal tools like Mongo Compass, Mongo Atlas Manager & Ops Manager, Cloud Manager etc.
• Created Angular service and integration with RESTful APIs.
• Used Angular $http to send GET/POST request to fetch data from server.
• Created web pages using JSP and Servlets.
• Requirement Analysis and estimation of efforts.
• Participate in RCA (Root cause Analysis) for Production Issue.
• Worked on design documents and enhancement projects.
• Implemented Java Message Services (JMS) using JMS API.
• Coding and writing unit Test Cases.
• Actively involved in reviews and conference calls with clients.
• Deployment of application on JBoss clusters
• Slimming and fine tuning the Enterprise JBoss Application server image
• Responsible for design, development and testing of reusable web controls.
• Wrote test cases in Junit for unit testing of classes and implemented the logging using log4j.

Environment: Eclipse 3.2, IBM Data Studio TOAD, Java 1.8, Spring core, ReactJS, Angular JS 2.0, Oracle, Tomcat 7 partly RAD related, JavaFX, SOAP Services and Restful Web Services using Microservices architecture, MongoDB, Apache Tomcat Server and Migration project is under Solaris, JBoss, log4j.

JAVA/J2EE DEVELOPER

Confidential

Responsibilities:

• Involved in all phases of development and implemented the database schema and database tables.
• Involved in creating a web application with background in all phases of Software Engineering including Analysis, Design, Coding, Testing and Implementation as well as Waterfall model of development.
• Worked extensively on the Back-end Schema and tables, Front- end Web Pages and Business Layer.
• Created web pages using JSP, HTML, JSTL, JavaScript, Java Expressions and Java Sessions.
• Implemented integration testing and fixed the bugs.
• Used SQL*Loader as an ETL tool to load data into the staging tables.
• Worked on the Logic for implementation of Load Minimizing Algorithm.
• Used Test Driven Development approach to test and implement the code.
• Worked on the UI, Webpages and front-end validations.
• Worked on the documentation of the whole project and design.
• Coding and writing unit Test Cases.
• Developed Use cases using the UML (Unified modelling Language).
• Work extensively on the unit testing and Test-Driven Methodology (TDD).
• Implemented using the Waterfall model.
• Responsible for design, development and testing of reusable web controls.

Environment: Eclipse 3.2, Java/J2EE, PL/SQL, SOAP Services and Restful Web Services using Microservices architecture, Apache Tomcat Server, JavaScript, JSTL, HTML, MySQL Server.

Software Developer

Confidential

Responsibilities:

• Involved in and all the phases of project development.
• Involve in designing project architecture and complete database design.
• Enhancement of the web application using ATG, Java, J2EE, Spring, Hibernate, Oracle
• Integrating the ATG platform with VZW POS Web services.
• Migrating the legacy system into ATG based application using ATG framework.
• Migrating existing application into micro services architecture using Rest APIs, spring boot, Spring Cloud config Netflix oss (eureka, zuul, hystrix) and AWS.
• Some of the task assignment and issue tracking using JIRA.
• Web Application, UI development with Core java, ATG, Java Script, Angular JS and Web services.
• Utilized AngularJS UI-Route for managing the State Transition and URL route.
• Utilized AngularJS dependency injection to inject different services just like custom service, and create some custom directives to do some reusable component.
• Worked on the development of Web Pages using JSP, JavaScript, HTML, DOM, Java Expressions, and DOM.
• Coding and writing unit and Integration test cases.
• Used JDBC Connection to access the data from the database tables and validating.
• Worked on the database design and normalization.
• Implemented Front-end validations, unit test cases and Integration.
• Implemented the web Pages like Login, Login Authentication, User page, Admin page and Member page and respective authentication process.
• Assigned the work for work for team Members, and actively coordinated with tam to complete and explain the tasks.
• Used agile methodology to implement the Applications.

Environment: Core Java, J2EE, Spring, Spring Boot, Hibernate, XML, Oracle Web logic Server, Oracle 11g, SOAP Services and Restful Web Services, Java Script, Angular JS, node.js, PL/SQL, Eclipse, and Windows.