SUMMARY

• Over 7+ years’ experience in Back - end and Front-end development with an ability to handle any part of the process efficiently. To succeed in an environment of growth and excellence and let me work on the leading areas of technology, a job that gives me opportunities to learn, innovate and enhance my skills and strengths in conjunction with organization goals and objectives.
• Solid experience developing the rendering view React JS components, forms, events, routers, and Redux asynchronous functions and implemented React - Flux pattern for core dependency.
• Proven experience with Application Servers like IBM WebSphere, Oracle/BEA WebLogic, JBoss, and Tomcat.
• Experience in Spring Security Framework for User Access Management, JWT token-based authentication, and involved OAuth 2.0 configuration for authentication and authorization.
• Experienced in server-side view rendering Java content structures like React.JS and rendering pages on the server-side utilizing Redux and Flux to accomplish unidirectional plan stream.
• Strong experience with EJB, Struts, Spring Boot, Spring framework implementing modules: Spring MVC, Spring Boot, Spring IOC, Spring IO, Spring AOP, Spring Security, and Spring Data.
• Worked extensively with JAVA 8 features like Time API, Functional Interfaces, CompletableFuture, Optionals,Multithreading, Transaction Management, Exception Handling, Collection API.
• Sound learning on the consistent mix and persistent deployment tools like Jenkins, Hudson, Travis, Puppet, and Bamboo. Substantial involvement in UNIX and Shell scripting to automate the build scripts.
• Strong experience developing Dynamic Single Page Application (SPA) using MEAN (Mongo, Express Angular, and Node) full-stack development tool kit.
• Experience in Transaction usage, Servlets, JMS, Java Beans, Web Services, Multithreading Executor Services.
• Experience working with different SDLC (Software Development Life Cycle) including Requirement gathering, Analysis, Design, Coding, Testing and Implementation like AGILE (SCRUM), TDD, and Waterfall Models.
• Experience in testing withJUnit Framework usingMockitoand EasyMock, Spring Junit Runner, JMeter. Worked on testing JavaScript structures utilizing Mocha and Chai, Jasmine, and Karma.
• Good knowledge in building real-time dashboard applications using Splunk, Elastic Search, and Logstash (ELK) to profile and monitor the streaming data of the application.
• Strong experience in building applications using the JavaScript Mean stack: MongoDB, Angular JS, Express.js, and Node.js. knowledge of Drools Rule Engines, which corresponds to validating BRMS(Business Rule Management System).
• Extensive experience in developing web applications using HTML5, XML, XHTML, DHTML, CSS, CSS3(Sass,Less), Bootstrap, JavaScript, DOM, jQuery, Ajax, JSON, and JSP.
• Expert in Various Agile methodologies like SCRUM, Test Driven Development (TTD), Incremental and Iterative methodology, Pair Programming, Agile Development &Testing using Software Development Life Cycle.
• Designed and developed highly scalable, available, fault-tolerant, highly secured, distributed infrastructure (IAAS) using2EC2 instances, S3, EBS, API Gateway, Elastic Beanstalk, ECS. Experience in configuration management tools like Puppet, Chef, Dockerandused AWSSDK for connection to Amazon S3 buckets as it is used as the object storage service to store and retrieve the media files related to the application.
• Handled operations and maintenance support for AWS cloud resources, including launching, maintaining and troubleshooting EC2 instances, S3 buckets, Auto Scaling, DynamoDB, AWS IAM, and Elastic Load Balancers (ELB) and Relational Database Services (RDS). Also created snapshots for data to store in AWS S3.
• Extensively used Spring IOC to inject objects based on selecting components like setter injection and Interface injection to manage the object references.
• Used Kubernetes Linux container for deploying and scaling containerized applications.
• Experience in database design and development of PL/SQL stored procedures and packages in relational databases like Oracle 9i / 10g / 11g, SQL Server 2005/2008, DB2, MySQL, and good hands-on experience in implementing, designing, and developing NoSQL Databases like MongoDB.
• Expertise in using JavaScript build tools and task runners like Webpack for React and Angular 8.0, Grunt, Gulp for Angular, Browserify for packaging NodeJS modules for browsers.
• Hands-on experience with building Java projects using build tools like ANT,Maven, Gradle, and integrating the project Bamboo, CD/CI, Jenkins, Aws Code.
• Expertise in developing SOA(Service Oriented Architectures) and Microservice architectures using J2EE web services based on Restful(JAX-RS), SOAP(JAX WS), JAX-RPC, and JAXR(Java API for XML Registries) using frameworks like Apache CXF, Jersey, Apache Axis.
• Widely used various open-source MVC architecture likeStruts 2.0, Spring MVC, and Object Relational Mapping (ORM) Frameworks like Spring JPA with Spring Data, Hibernate, IBatisMyBatis, and Spring JDBC.
• Experienced in utilizing source code variant administration apparatuses like SVN, Git, Bit Bucket, and undertaking sprinters like Babel, Grunt, Gulp, and Web pack.
• Experience in implementing and deploying Java EE design patterns such as Singleton, Abstract Factory, DAO, DTO, and Business Delegate in the Development of Multi-Tier distributed Enterprise Applications.
• Developed real-time dashboard applications for visualization and analytics on Apache web servers using Kibana, Splunk, Grafana, SumoLogic, and New Relic integrated with DataDog.
• Unit tested web services using Junit, Mockito Easy mock, Spring Junit Runner, Spock, Testing, and achieved Test-Driven Development (TDD) goals.
• Expertise in using NPM and BOWER package and Dependency management.
• Good Knowledge in Amazon Web Services (Amazon EC2, Amazon S3, Amazon SimpleDB, Amazon Elastic Load Balancing, Amazon SQS, Amazon EBS, and Amazon CloudFront).
• Experience writing SQL queries in PL/SQL, Triggers, and Stored Procedures in Relational Database management systems like Oracle, MS SQL, MySQL, and DB2.
• Developed various Typescripts (ES6) objects, including Components, ngModules, Providers, Services, and classes using arrow functions and optional types.
• Experience in integration testing tools like Selenium Web Driver, Cucumber (Behaviour Driven Development testing).
• A good amount of hands-on experience developing server-side JavaScript frameworks using Node JS (Hapi JS, Express JS) to build event-driven, non-blocking i/o model web applications.
• Experience developing applications using MVC and MVVM client-side JavaScript frameworks such as Angular 8.0, AngularJS to create dynamic web applications,Backbone.Js, Ember.JS, Handlebar.JS.
• Experience in Message Queue (MQ) services like Apache Kafka, Rabbit MQ, Active MQ, and IBM MQ.
• Good understanding of Server-side JavaScript structures like NodeJS, Hapi.JS, Express.JS.
• Experience designing and developing various Angular 8.0 Components (ngModules), Services(observable/promises), Directive, and Pipes.
• Experience in integration tools like Spring Integration, Mule ESB, Apache CXF, and Apache Camel to integrate the enterprise application technologies with existing JVM environments.
• Expertise in implementing Core Java SE 8 concepts like Streams API, Lambda functions, Functional programming, and Generics.
• Extensive AWS Experience including AWS Services such as EC2, VPC (NAT, VPC Peering and VPN), IAM (Identity and Access Management), Elastic Beanstalk, Lambda, S3, CloudFront, Glacier, SQS, SNS, RDS, DynamoDB, Route53, CloudWatch, CloudTrail, CloudFormation, Security Groups, etc.
• Designed and developed highly scalable, available, fault-tolerant, highly secured, distributed infrastructure (IAAS) using2EC2 instances, S3, EBS, API Gateway, Elastic Beanstalk, ECS. Experience in configuration management tools like Puppet, Chef, Docker andused AWSSDK for connection to Amazon S3 buckets as it is used as the object storage service to store and retrieve the media files related to the application.

TECHNICAL SKILLS

Programming Languages: C, Java, JavaScript, PHP, PL/SQL, UNIX Shell Script.

Java/J2EE Technologies: Servlets, Spring, JPA, JTA, JDBC, JSP, JSTL, RMI, Applets.

Frameworks: Struts 2.5, Hibernate 5.x, Spring 5.0, Spring Batch, Spring Security, Spring AOP, Spring Core, Spring IOC, JSF.

Web Technologies: HTML, HTML5, CSS/CSS3, AJAX, JQuery, Bootstrap, XML, Grunt, Gulp, JSON.

Database: SQL Server, MySQL, Oracle, MongoDB, DB2

JavaScript Frameworks: AngularJS, Angular 8, JQuery, React.js, Node.js, Backbone.js, Hapi.js, Handlebars.js.

Web Services: XSD, WSDL, Apache Axis, SOAP, Restful, GraphQL, JAX RS, JAX WS

Messaging: JMS (Java Message Service), IBM MQ, Apache Active MQ, Apache Kafka.

Web Application Servers: Oracle WebLogic 10.x/9.x, IBM WebSphere 8.x/6.x, Apache Tomcat 8.0/7.x/6.x.

Methodologies: Agile, Waterfall, OOAD, SCRUM.

Testing Tools: JUnit, Mockito, Jasmine, Karma, Mocha, Chai, Selenium.

Version Control: SVN, CVS, GIT, and Clear Case

Build Tools: Maven, Gradle, ANT

IDEs: Eclipse IDE, RAD 6.0/7.0, Intellij IDEA, Spring Tool Suite (STS).

Operating Systems: Windows, Linux, and UNIX

Software: Visual Studio, Rational Rose, and Microsoft Office

PROFESSIONAL EXPERIENCE

Confidential, Bellevue,WA

Java Full Stack Developer

Responsibilities:

• Experience in working with GraphQL queries and use the Apollo GraphQL library.
• Experience working with (consuming) REST or GraphQL APIs via client-side JavaScript or server-side via NodeJS.
• Performed manual and regression testing using JIRA X-RAY tests, writing the scenarios.
• Participated in code review and mentoring sessions and used GIT as version control and GITBash for GIT interactions.
• Wrote Drool rules in both rule flow and drooled fusion for fetching the facts from the database.
• Kubernetes is configured in the application for automating deployment, scaling, and management of containerized applications.
• Hands-on experience using ODM frameworks to connect asynchronous environments with Mongoose Connector and Cassandra Node Driver.
• Worked with KAFKAZookeeper for managing the cluster with broker/cluster technology.
• Configured JBOSS Application server and used Oracle database with Hibernate ORM framework and used the functionalities of Hibernate'ssecond-levelEHCache.
• Created dynamic schema design through NoSQL MongoDB by writing rich queries and achieved data in a collection to be distributed across multiple systems for horizontal scalability as data volumes increase throughSharding.
• Worked with Jenkins to configure Continuous Integration and Continuous Deployment (CI/CD).
• Implemented Spring Circuit breaker pattern, integratedHystrix dashboard to monitor Spring microservices.
• Responsible for migrating existing modules in IBM MQ to Apache Kafka and creating Kafka adaptors for decoupling the application dependency.
• Implemented Microservices architecture with Netflix, Spring Eureka, Spring Ribbon using Spring Boot to provide client-side load balancing in calls to other Microservices, making applications into smaller chunks and the Spring Hystrix circuit breaker and for the fail-safe.
• Experience in building isomorphic applications using React.js and Redux with GraphQL on the server-side.
• Experience in Java11 features like Parallel Streams, Lambdas, functional interfaces, and filters.
• Used Cassandra for storing internal statements and reports and worked extensively in Development which includes updating and retrieving data internally from the back-end Cassandra.
• Implemented AWS solutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups, Optimized volumes, and EC2 instances and created monitors, alarms, and notifications for EC2 hosts using Cloud Watch.
• Configured and managed various AWS Services, including EC2, RDS, VPC, S3, Glacier, CloudWatch, CloudFront, Route53, SQS, SNS, etc.
• Implemented Java11 features like Lambda expressions, Streams, filters, pipelines, Optional Interfaces, etc.
• The application is built in Micro Service Oriented Architecture using MEAN 4+ (Mongo, Express Angular 8.0 and Node) stack and developed Single Page Applications (SPA).
• Developed multiple Angular 11.0 components that are compatible with the latest versions of typescript, angular CLI.
• Developed the single-page application following Agile Scrum, participated in daily standups, sprint reviews, Kickoffs, and used Jira for project management.
• Programmed J2EE application to manage transaction reports for Oracle Financials Application Processes.
• Authenticating Users to provide security to RestFul web services using OAUTH2.0.
• Worked on UI testing with Karma, Jasmine, Protractor for Angular, Mocha, and Chai for React JS and Backbone JS.
• Designed the user interface screen and its functionality as per user requirements and developed RESTful Web services in Mule ESB based on Service Oriented Architecture (SOA).
• Used different transformers, exception handling, testing & Security of MulesoftESB endpoint through OAuth.
• Designed and developed efficient user Interaction screens using HTML5, CSS3-SASS, and Twitter Bootstrap CSS framework and media queries to create responsive web pages.t
• Hands-on experience on Dump Analysis and thread Dump common problem patterns (Thread race, deadlock, hanging IO calls, garbage collection / OutOfMemoryError problems, infinite looping, etc.).
• Implemented Spring Netflix Zuul API gateway and Eureka service registry for reverse proxy and Dynamic service discovery of APIs.
• Involved in Software Development Life Cycle for gathering requirements, Analyzing, Designing, Developing, and Testing applications using Agile methodology.
• Implemented a 'server less' architecture using API Gateway, Lambda, and DynamoDB and deployed AWS Lambda code from Amazon S3 buckets. Created a Lambda Deployment function and configured it to receive events from your S3 bucket.

Environment: Java, Angular 11.0, J2EE, Git, Spring Boot, Hibernate, Core Java, Rest, Web Services, CSS, Eclipse RCP SASS, WSDL, JIRA, JMS, PostgreSQL, AWS, Spring Cloud, Spring batch, PCF, Apache JMeter, jQuery, JUnit, Docker, Maven, Jenkins.

Confidential, Kansas City

Java Full Stack Developer

Responsibilities:

• Optimized cleaning up of session-level Data Structure's shared across different open tabs when data is flushed/committed from one of the tabs.
• Experience integrating the internal security model into new projects with Spring Batch, Spring Microservices and Spring Boot, Pivotal Cloud Foundry, and Netflix Eureka.
• ImplementedNode JS as a server-sideproxy for an event-driven, non-blocking I/O model to make the application lightweight and efficient.
• Experience in Docker Engine and Docker Machine environment, to deploy the micro services-oriented environments for scalable applications.
• Worked with container-based application deployments using Docker with Kubernetes.
• Define requirements and specifications for Development using Oracle R12, Oracle Forms, Oracle Reports and SQL.
• ImplementedSpring Boot to create a CRUD back-end for our React-frontend application.
• Worked with Jenkins Continuous Integration and Continuous Deployment (CI/CD).
• Apply focused development changesacross oracle databases and see the changes applied through the life cycle of environments and testing into production via internal deployment tool.
• Dockerized Spring Boot application to Pivotal Cloud Foundry PAAS (Platform as a service).
• Good knowledge of Lambda expressions, Time APIs, and Java 8 core features.
• ImplementedStruts encouraging application architectures based on the Model View Controller (MVC) design pattern and Struts 2 framework for front-end development and presentation logic.
• Performed Unit testing on applications using tools Mocha to test Reactjs and Chai for Node.js.
• Experience in integration testing tools like Selenium Web Driver, Cucumber (Behaviour Driven Development testing).
• DevOps role converting existing AWS infrastructure to Server-less architecture (AWS Lambda, Kinesis) deployed via CloudFormation.
• Made use of React JS to build Bootstrap components for responsive UI objects and linked with API data to view and render the virtual DOM dynamically.
• Responsible for the overall layout design and prototype using React JS with Redux library, jQuery UI, and CSS/Less and HTML5.
• JUnitis implemented along with Mokito to perform unit testing on our RESTful web application.
• Web pack module bundler and Babel JavaScript compiler are used accompanying React JS.
• Developed JavaScript for all client-side validations and developed GUI using CSS, JSTL, and XSL.
• Performed Unit testing on ReactJSapplications using Karma and Jasmine tools and worked with the Gulp tool to build automation.
• Extensively worked in writing minimal code in building re-usable forms with their validations using REACT with Redux Architecture.

Environment: HTML5, CSS3, Redis, Express JS, jQuery, JavaScript, Node JS, Bootstrap, REST API, Load Balancer, Mongoose Connector, Mongo DB, REST administrations, Docker, Mocha, Jasmine, Karma, Gulp, SSO Authentication, WebPack, Kubernetes, Selenium, Maven and Jenkins. GIT, Jenkins, AWS Services, Elastic Cloud Compute (EC2).

Confidential, Austin, TX

Java Full Stack Developer

Responsibilities:

• Developed application on Spring framework by utilizing its features like Spring Dependency injection, Spring Beans, Spring Security, Spring JPA, Spring Web flow using MVC -
• Implemented security functionality for various projects using Site minder (SSO).
• HibernateORM framework is used to interact with databases through Hibernate query language (HQL). And also worked with the Hibernate EH Cache technique for the critical objects in the application.
• Worked onSpringFramework handling major concepts like Dependency Injections,SpringIoC Containers, Transaction Management Declaratives (annotations based).
• Implemented ODBC, which is used for connecting to the Oracle database.
• Used Backbone JS to utilize its rendering functions and create controllers to handle events triggered by clients and send requests to the server.
• Effectively used Angular Directives, filters, declarative templates, service providers, and context-aware communication.
• Designed the user interface screen and its functionality as per user requirements and developed RESTful Web services in Mule ESB based on Service Oriented Architecture (SOA).
• Unit, functional, end-to-end testing is achieved using the TestNg framework.
• Integration testing methods and Behavioral driven testing in the application are implemented using Selenium and Cucumber, respectively.
• Developed an automated application using JMS for messaging and JNDI to interact with the server.
• Configured and managed public/private cloud infrastructure utilizing Amazon Web Services like Amazon Ec2, Amazon S3.
• Configured Hibernate's second-level cache using EHcacheto reduce the number of hits to the configuration table data.
• Developed a set of application functionality using CRUD (Create, read, update, delete) features of Backbone.js.
• Performed AngularJS end-to-end testing using the Protractor framework.
• Used backbone.js as Model, Widgets as Controller, and jQuery template as view.
• Implemented web interface (UI) for end-users using AngularJS, which has migrated from the existing BackBone JS application.
• Used Maven build tool to deploy the application on web servers, i.e., JBoss.
• Configured Jenkins to handle application deployment in the Pivotal Cloud Foundry (PCF) server and integrate with GitHub version control.
• Used HTML5, CSS, jQuery, Ajax and performed client-side validations using JavaScript.
• Deployed the drools rules as a service in the J2EE stack environment.
• Wrote SQL Queries, PL/SQL stored procedures, triggers, packages on Oracle database.

Environment: Angular JS, HTML5, CSS3, AJAX, Bootstrap, JSON, XML, Active MQ, JMS, Hibernate, DB2, SOAP-AXIS2, Restful services, JAX-RS SOA, Eclipse Java EE IDE Neon, Jenkins, Git, Log4j, DB2, Grunt, Jasmine, JBoss, Jenkins, OpenShift, Drools, Maven, TestNg, Protractor, Grunt, Selenium, Cucumber, WADL.

Confidential

Java Developer

Responsibilities:

• Worked on Agile methodology, including team-based design and code reviews.
• Worked withEmber JS to code some new functionality and developed application front end using HTML, CSS, Ajax.
• Effectively used Angular Directives, filters, declarative templates, service providers, and context-aware communication.
• Deployed the application using Docker and AWSConsole services.
• Spring AOP is used for logging, auditing, and security and transaction management to distinguish business logic from the cross-cutting concerns.
• Hibernate ORM framework is used to interact with databases through Hibernate query language (HQL).
• Used SOA, UDDI lookups, and Web Services Description Language (WSDL) using the SOAP protocol.
• Developed the business logic code in Core Java/J2EE, Struts, JDBC.
• Provided support to the testing team and involved in the Bug Fixing.
• Involved in performing Unit and Integration Testing in Selenium
• Implemented the back-end functionality of the modules using Singleton and Session Facade design patterns.
• Involved in multi-tiered J2EE design utilizingSpring Inversion of Control (IOC) architecture andSpringJPA.
• Extensively used Java server Faces(JSF) Navigation rules and JSF tags for enhanced user Interface.
• Effectively worked on Angular 1.0 to use the enhanced features of typescript, Angular Routers, and Angular Components.
• Involved in the Development of SOAP Web Services using Apache Axis to extract client-related data from databases.
• Designed the user interface screen and its functionality as per user requirements and developed RESTful Web services in Mule ESB based on Service Oriented Architecture (SOA).
• Deployed application using Oracle Weblogic Server.
• Designing new components to fit in the already existing architecture using coreJava,multithreading, design patterns like the factory method, Abstract factory pattern, Singleton, while developing web-based applications using REST Web Services.
• Implemented Spring Batch to run daily and monthly batches.
• Deployed the application to IBM WebSphere 8.5.5 in UNIX environment IBM AIX 5.1.0.3. Tested the application after making the necessary configuration.

Confidential

Java Developer

Responsibilities:

• Used ANT build tool for compiling and generating war files.
• We kept up the bean life cycle by utilizing Spring IOC, which keeps session information about beans.
• Worked with Log4J to capture the log that includes runtime exceptions
• Developed SCM by using the JSP/HTML for each user interface. Servlets standard validations are used as the controllers for business logic and using JDBC, XML parsing techniques using MVC.
• Deployed application on the Client Linux server.
• Extensively used the Struts tag libraries (Bean Tags, Logic Tags, HTML Tags, etc.) and Custom tag libraries.
• Developed web applications using Struts, Spring, and iBatis framework.
• Designed a mailing application to send notifications to the Oracle users for intimating to start the following workflow.
• Experience in installing, configuring, and deploying applications on Web Logic Server.
• Developed a DAO pattern to retrieve the data from the database.
• Implemented IBM WebSphere Application Server to deploy the application
• Configured Struts-config.xml, Tiles-def.xml, and various properties files provided by Struts Framework for the implementation module.
• Used Multithreading concept to post data from files to tables involving the transformation of files from one format to another.
• Implemented responsive web-basedapplications using HTML5, CSS3, Javascript, Jquery.

Environment: Core Java, J2EE, JSP, HTML, MVC, Servlets, Struts, JMS, MDB, EJB3.1, JUnit, PL/SQL, DAO, Web Logic Server, Ant, SOAP, JAX-WS, WSDL, Junit, SQL.