SUMMARY

• Over8+ yearsof experience inJava/J2EE,Software Development Life Cycle,Object - Oriented programming, developing, and testing ofClient/Server, Enterprise,andWeb Applications.
• Expert in all stages of transforming the business requirements into a sophisticated system.
• Experienced in developing web-based applications using Java/J2EE, Servlets, Struts (Struts, Tag Libraries, and Struts custom validation rules, Tiles), Spring IOC, Spring MVC, Spring AOP, Spring Security, Spring Boot, Spring Cloud, Spring Web Flow, Spring Data, JDBC, Web Services (SOAP & Restful services) and ORM frameworks like Hibernate.
• Extensive knowledge incore java and swing development.
• Utilized Java 8 features like Lambda expressions and Stream API for Bulk data operations on Collections which would increase the performance of the Application.
• Worked on various features in ECMA Script 6 (ES6) such as Arrow functions, Classes, and enhanced object literals.
• Expertise in developing web pages using HTML5, CSS3, Bootstrap, JavaScript, jQuery, Ajax, React, Angular with webpage cross-browser compatibility and responsive web design and have experienced in Server scripting language like Node JS.
• Experience using Hibernate for mapping Java classes with database and using Criteria API and Hibernate Query Language (HQL).
• Good Knowledge of the Data Access Object (DAO) pattern to introduce an abstraction layer between the Business logic tier (Business object) and the Persistent storage tier (data source).
• Excellent in developing REST and SOAP-based Web Services using JAX-RS, JAX-WS, WSDL, JAX-B, Apache Axis, and Jersey frameworks.
• Developed web applications using web MVC architecture for real-time projects.
• Expert in building richGUI front ends with Swingcomponents and extending Swing components to provide additional functionality.
• Good hands-on experience in developing single-page applications using React JS and Angular.
• Good knowledge of Sass, SCSS, and gulp tool for effective use of them.
• Manage existing design templates GIS schema structure for the GIS Systems in Development, QA, and Production environments.
• Worked with SQL databases like Oracle, My SQL, IBM DB2, and Hands-on Experience in working with NoSQL Database like Mongo DB, Cassandra to manage extremely large data sets.
• Coordinate with GIS members for system improvement and upgrades.
• Proficient in writing SQL queries, PL/SQL stored procedures, Triggers, and creating business tables.
• Experienced in implementation of JMS to exchange information over the reliable channel in an asynchronous way by using Active MQ, Rabbit MQ, Kafka as a message queue.
• Extensively used SOAP Nodes, Database nodes, MQ nodes, and HTTP nodes.
• Interact with staff to gather user's requirements to perform GIS applications.
• Portable deployment of applications as a single object using Docker.
• Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub, andAWSAMI.
• Hands-on experience in working with Junit, Mockito, Selenium, Test NG.
• Experienced with deploying applications onto production servers, configuring various parameters of servers like Apache Tomcat, JBOSS, BEA Web logic, IBM Web Sphere.
• Used version controller tools like Tortoise Subversion (SVN), CVS, and Git.
• 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, AMI, IAM, Dynamo DB, Elastic search, Virtual Private Cloud (VPC) throughAWSConsole and API Integration.
• Excellent in deploying the applications inAWSas EC2 instances and create snapshots for the data that had to be stored inAWSS3.
• DefinedAWSSecurity Groups which acted as virtual firewalls that controlled the traffic allowed reaching one or more EC2 instances.
• Experience in working with IDE like Eclipse,SpringTool Suite (STS), RAD, and IntelliJ.
• Have extensive experience working on Windows, Linux, and Unix Operating Systems.
• Proficient in log management using log4J framework and Splunk.
• Possessing particularly good communication and analytical skills and can work independently as well as in a team environment.

TECHNICAL SKILLS

Programming Languages: Java, J2EE, PL/SQL

Web: HTML5, CSS3, Java Script, jQuery, Bootstrap, AJAX, Node.js, Express, ReactJS, Angular, React MDL, Xml

Databases: MySQL, Mongo DB, Backend less, Oracle, Back4App, SQL Server

Tools: NetBeans, Eclipse, Android Studio, Visual Studio Code, WinSCP, Putty, Git, Tableau, STS, Atom, Microsoft Project Management, Trello, gulp

Application Servers: Apache Tomcat, WebSphere, JBoss

Web Services: REST, SOAP, WSDL, JAX-RS, JAX-WS, RESTful Web services, AWS, Microservices.

Frameworks: Spring MVC, Spring Boot, Spring Cloud, Struts, Hibernate, AngularJS, ReactJS

IDE Tools: Eclipse, Net beans, IntelliJ, IBM RAD, ANT, Maven, STS

Build Tools: Maven, Gradle

Scripting Languages: TypeScript, ES6

PROFESSIONAL EXPERIENCE

Confidential, Mountain View, CA

Sr. Java/Full Stack Developer

Responsibilities:

• Followed an extremely light and efficient Agile Scrum Methodology for project development.
• Participated in sprint plans, code reviews, and daily stand-ups. Continuous coordination with the team during different phases of application development.
• Developed User interfaces and prototypes for the web-based internal system using Angular, HTML5, CSS3, Typescript, JavaScript, jQuery, AJAX, and Bootstrap.
• The Restful web services have been used to retrieve and update the data using Ajax.
• Used aMicroservicearchitecture withSpring Boot-based services interacting through a combination ofRESTto build, test and deploy identityMicroservices.
• Used Spring Batch for scheduling and maintenance of batch jobs.
• Worked with Functional Programming, Object Oriented programming and other paradigms with JavaScript - ES5/ES6/ES7.
• Extensively used the Java swings components.
• Implemented pre-authentication and database security using spring security and securing application access and Spring Batch for scheduling and maintenance of batch jobs.
• Used Spring Boot at the backend for easy application development including plugins, jobs, server configuration, etc.
• UsedSwing Workerthread to handle multi-threading.
• Developed spring boot and spring cloud-based cloud-native microservices to be deployed into AWS. Microservices will co-exist with a monolithic application built with Spring MVC deployed to WebSphere.
• Setup APIs for the applications to talk to MQ.
• Used Angular4 Router Module for implementing routing, imperative routing, and Guards.
• Worked on migrating Angular old forms to Final New forms and performed validations using Angular 5 Form module.
• Used Docker to virtualize deployment containers and push the code to instances cloud using PCF.
• UsedEJB 3.0to create a service that is responsible for transferring metadata and data to each other.
• Usedspring frameworkwithEJB 3.0to create these services which can handletransactionsinmillions.
• Created REST-Controllers concerning RESTful standards in Spring MVC to connect model with view.
• Developed upon Angular 7 Services that interact with the RESTful services at the backend.
• Created/managed Mongo DB/NoSQL collections and handled CRUD operations using Java libraries/APIs.
• Tested REST APIs in the Spring-Controller at the backend for JSON data using Postman.
• Composed and executed Mongo DB scripts to insert and update the NoSQL database, automating data changes and reporting.
• Secured internet applications by fixing vulnerabilities identified by penetration tests such as XSS (Cross-Site scripting) and SQL Injection.
• Develop various screens for the front end using React JS.
• Involved in creating a reusable component using React JS for DOM manipulation.
• Deployed, implemented, and managed Web Application Firewall (WAF) to block intrusion attempts before they interact with back-end web application.
• InvolvedWeb packas module bundler to preprocess and minify different files such asTypeScriptandSASSfiles.
• Designed various tables required for the project in MySQL database and involved in coding the SQL Queries, Stored Procedures and Triggers in the application
• Experienced in IBM WebSphere ESB and Mule ESB Enterprise Service Bus Technologies
• Responsible for design and maintenance of the GIT repositories, views, and access control strategies.
• Full Stack Modern Progressive Web Apps - ReactJS, Redux, GraphQL.
• Used Mockito and JUnit for unit testing of the application.
• Experienced in React JS and working with Redux architecture.
• Used Jenkins for continuous integration in which all development work is integrated and involved in deploying the application.
• Developed mock data generation feature that is integrated with GraphiQL IDE interface to allow users to send queries against their custom generated schema and render mock results in order to familiarize users to the GraphQL syntax.
• Develop various screens for the front end using React JS.
• Design, develop and test HTML, CSS, JQuery, React JS, Redux that meets accessibility of web browser.
• Migrated deprecatedData Mappermapping toData Weavein Mule ESB.
• Responsible for building components to connect to other micro-services using Kafka andIntegrated Kafkasource to read the payment confirmation messages.
• Responsible for identifying and designing the MQ objects required and involved in capacity planning for theMQ objects.
• Developed angular unit tests for testing angular components using Jasmine and Karma.
• Used Maven for build and deployment, Jenkins for continuous integration, and log4j for logging.
• Developed test cases using the TDD (Test Driven Development) approach.
• Involved in writing the test scenarios, developed feature files using Cucumber annotations.
• Part of a response team that worked on Production issues while the application is deployed to Production.
• Implemented and maintained monitoring and alerting of production and corporate servers such as EC2 and storage such as S3 buckets using AWS Cloud Watch.
• Developed UI using ReactJs and Redux and NextJS.
• Manipulated data using CRUD operations of PostgreSQL and handled database access.
• Implemented AWS IAM for managing the credentials of applications that run on EC2 instances.
• Developed reporting dashboards, which processes large amount data that are stored in Elastic Search and My SQL platforms and generates reports and displays in dashboards.
• Identified and created indexes, mappings and data in Elastic search and used Elastic Search REST API's both single and multi-document API's. API like Index, Multi Get, Bulk, Etc.
• Utilized Angular4 framework to bind HTML template (views) to JavaScript object (models).
• Used Apache CXF as the Web Services framework to implement the REST APIs involved.
• Used various aggregations like Metrics, Average aggregations in Elastic Search.
• Hosted and tested the application in AWS servers before publishing it in the actual production environment.
• Used JIRA to handle development issues, GIT for version control, Eclipse IDE for development, and Tomcat server for application deployment.

Environment: HTML5, CSS3, Angular, Typescript, JavaScript, jQuery, Bootstrap, Ajax, MongoDB, JSON, Git, Restful API, Spring, JPA, AWS, Spring boot, Mockito, JUnit, Jasmine, Karma, log4j, Agile, Maven, Jenkins, JIRA, Eclipse, PostgreSQL, NextJS.

Confidential, Branchburg, NJ

Java Full Stack Developer

Responsibilities:

• Followed agile methodology and involved in daily SCRUM meetings, sprint planning, showcases, and retrospective and used JIRA as a tracking tool for the sprints.
• Designed the front-end screens using Angular 7, HTML5, CSS3, JavaScript, jQuery, Bootstrap, and Spring Boot.
• Worked on Micro Services to create modular components with lightweight to deploy using various protocols.
• Involved in enhancing existing MEAN (MongoDB, Express, Angular, and Node) stack applications and provided the required support.
• DevelopedTablecustom renderersandeditorsfor java swing components.
• Developed Angular controllers, services, filters, and developed HTML templates with various Angular directives such as ng-app, ng-controller, ng-repeat, ng-if, ng-show, ng-hide, ng-change, ng-blur, etc.
• Used various Angular UI Bootstrap components such as calendars, masks, uploaders, sliders, alerts, modal dialogs, etc. for developing the UI.
• Developed React JS pages, Web services calls and AJAX calls for the application.
• Implement web service components using Apache CXF framework.
• Extensively usedJAVAandSWINGto design a new GUI for the installer.
• Used Node.js to run Grunt tasks and build properly the project (compile, minify, etc.) and Implement modules into Node JS to integrate with designs and requirements. Used Grunt JS, Bower JS, Express JS from NodeJS.
• Developed unit test cases using Jasmine and Karma and performed end-to-end testing using Protractor and Selenium.
• Used React JS in development of the web application to bind the data/model that is being retrieved from a database through services provided in a controller to the view using scope.
• Developed Angular 7 services making use of resource service to perform REST API calls to the backend.
• Implemented Microservices architecture using Spring BOOT enabled REST API with the Spring Cloud modules.
• Worked on Integration of Microservices deployment patterns with the PAAS platform on top of AWS and Integrating with the Config server and ZUUL proxy.
• Assisted MB developers with problems in MQ networks.
• Involved in applying securities to the application using Protocols such as HTTP, Layer 7, Integrated Layers, and Encryption Mechanism.
• Utilized custom logging framework forMule ESBapplication
• Developed REST exception handling controller advice to respond to bad requests and server-side exceptions.
• Used complete annotation-driven approach to developing the application using Spring Boot and was involved in setting up the Spring bean profiling.
• Used Hibernate in the persistence layer and implemented DAO's to access data from the database.
• Involved in configuration and usage of Apache Log4J for logging and debugging purposes.
• Extensive knowledge of AWS EC2, Amazon S3, Amazon Elastic Load balancing, and other parts of AWS infrastructure.
• Worked on AWS multi-factor authentication (MFA) related to security groups including rest security.
• Configured and tuned the AWS EC2 and worked on ELB, Route53 for high availability.
• Worked on Angular 7 and Node JS to enhance front-end functionalities as per business requirements.

Environment: AngularJS, HTML5, CSS3, JavaScript, Micro Services, Dynamo DB, Mark logic, Unix, jQuery, Bootstrap, Grunt JS, Bower JS, Node JS, Apache Log4J, AWS, Docker, JIRA, My SQL, REST.

Confidential, NYC, NY

Java J2ee Developer

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• UsedSpringMVC and Dependency Injection for handling presentation and business logic.
• To maintain loose coupling between layers published the business layer as services and injected necessary dependent components usingSpringIOC and published cross-cutting concerns like Logging, User Interface exceptions, Transactions usingSpringAOP.
• IntegratedSpringDAO for data access using Hibernate.
• UsedSpringSecurity for Authentication and Authorization of the application.
• Extensively used JSON to parse the data from the server-side to satisfy the business requirement.
• Consumed Web Services to interact with other external interfaces to exchange the data in different forms by using Restful service.
• Implemented SOA architecture with Web Services using SOAP, WSDL, and XML using Apache CXF.
• Developed User Interface using JSP, JSTL, HTML, CSS, JavaScript, jQuery, and Angular JS.
• Used various jQuery UI controls and corresponding Event handlers.
• Experience in usingWeb packas module bundler and performing most of the tasks.
• Implemented persistence framework using Hibernate & Handled Transaction Management using the provided data source.
• Used Web pack and NPM to manage dependency graph.
• Responsible for designing Hibernate mapping files based on business logic and Object relationships.
• Integratedspringand hibernate together and worked on developing backend components and services using Hibernate andspring.
• Established Database Connectivity using JDBC, Hibernate O/R mapping withSpringORM for DB2.
• Worked on Hibernate in Data Access Layer for mapping the java objects to the relational database and SQL queries to fetch the data, insert and update the data from the database.
• Framework and worked on parsing the XML files using DOM/SAX parsers.
• Created tables, triggers, PL/SQL Stored Procedures, SQL queries, Joins, and views for IBM DB2.
• Implemented Restful and SOAP-based Web Services and used Soap UI for testing.
• UsedSpringJMS module for lookup for the queues and MDBs for the listeners.
• Involved in Unit Testing of various modules by generating the Test Cases.
• Performed deployment of applications on JBOSS.
• Written LINUX shell scripts to identify user login information.
• Involved in the day-to-day handling of JIRA issues (production issues at the time) that involved data inconsistencies that required to be solved in very little time.
• Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase.
• Participated in Code Reviews of other modules, documents, test cases.

Environment: Java, J2EE, HTML, CSS, JavaScript, jQuery, Angular JS, JSP, JSTL,Hibernate, Spring, XML, XSD, SOAP UI, Web Services, Restful, SOAP, WSDL, Log4j, JUnit, DB2, JBOSS, Jenkins, SVN, Eclipse IDE, JIRA, Agile Methodology, Linux, Rational Rose, and UML.

Confidential, Peoria, IL

Web Application Developer

Responsibilities:

• Responsible for overall design & analysis of UI components and integration with existing J2EE.
• Designed, developed, and maintained the data layer using Hibernate and perform configurations of the spring Application Framework.
• Designed GUI of the project using HTML, JavaScript, Linux, jQuery, CSS to improve the visual effect on the dynamic front-end.
• Developed Action Classes, which holds business logic in Struts framework.
• Implemented REST web services for other applications to communicate.
• Annotation-based Hibernate beans were developed to eliminate the mapping XML files.
• Used Jenkins plugins for code coverage and to run all the tests before generating a war file.
• Created prototypes in HTML, JavaScript, and CSS for different UI pages.
• Tag and track RSA Canada, Pet Plus, and Amex websites using Adobe Site Catalyst and Tealium.
• Implemented the integration with the back-end system with web services using SOAP and WSDL.
• Experience in using bug/issue tracking, project Tracking, and Management toolJIRA.
• Worked with jQuery UI to improve user experiences, such as Validation Engine, Data Table, and Dynamic Charts.
• DevelopedJava Beansand Utility Classes for interacting with the database using JDBC.
• Processed JSON Request according to different type’s modules, actions, and request data.
• Created jar files, compiled them, and run those using Maven scripts.
• Used GIT repository for software configuration management and version control.
• Implemented Angular 5 services to connect the web application to back-end APIs to POST/GET the data.
• Used Hibernate ORM for persistence management, written CRUD, and HQL-based queries to retrieve and render the data.
• Developed presentation layer using JSP, HTML5, CSS, AJAX, JavaScript, jQuery, and Angular JS.
• Used JSF, JSP, JavaScript, HTML, and CSS for manipulating, validating, customizing, error messages to the User Interface.
• Prepared Technical Design documents with UML, Sequence diagrams using Microsoft Visio, and fixed defects identified during SIT, UAT, and Production.

Environment: Java, Agile, HTML5, CSS, JSP, Ajax, Spring, Hibernate, SOAP,XML, Jenkins, DB, SQL, JSON, JMeter, Apache tomcat, Sybase, Clearcase8.0, Oracle, GIT.

Confidential

Java Developer

Responsibilities:

• Responsible for designing, coding, and developed the application in J2EE using Struts MVC.
• Implemented Struts framework (Action & Controller classes) for dispatching requests to appropriate classes.
• Used simple Struts Validation for validation of user input as per the business logic and initial data loading.
• Achieved synchronization of multiple threads through Multithreading and Exception Handling.
• Extensively used JSON to parse the data from the server-side to satisfy the business requirement.
• Developed Struts Action Forms, Action classes and performed action mapping using Struts.
• Developed RESTful and SOAP-based Web Services to consume and produce data in XML and JSON.
• Consumed Web Services to interact with other external interfaces to exchange the data in different forms by using Restful service.
• Created user-friendly GUI interface and Web pages using JSP, HTML, CSS, AJAX, JavaScript, and jQuery.
• Established Database Connectivity using JDBC for MySQL.
• Written SQL queries, PL/SQL store procedures, and Triggers to fetch and store data from the database.
• Used Log4J for application logging and notification tracking mechanisms.
• Developed the ANT scripts for preparing WAR files used to deploy J2EE components and deployment of the application was on Jetty.
• Prepared JUnit test cases and executed the test cases using JUnit.
• Involved in bug fixing during the System testing, Joint System testing, and User acceptance testing.
• Used GIT to check-in and check-out and coordinate among team members for Version Controlling.
• Used NetBeans IDE to integrate different frameworks to build the application.

Environment: Java, HTML, CSS, AJAX, jQuery, JavaScript, Struts, Web Services, SOAP, Restful, JSON, XML, JDBC, SQL, MySQL, ANT, NetBeans, JIRA, GIT, Jetty and UNIX.