SUMMARY

• Having Good experience in developing, deploying, and supporting multi - tier web/mobile application projects with Frameworks and libraries like Angular, React, jQuery, HTML, Java Script, CSS, Node.JS, Spring using Waterfall and Agile methodologies.
• Designed and Developed User Interactive (UI) of Web pages with the help of HTML5, HTML, JavaScript, CSS, CSS3, JQuery, CSS LESS, Bootstrap and AJAX.
• Expertise in design and development of Web Applications involving J2EE technologies with Java, Servlet, JSP, JSF, MVC Framework, Spring Boot, Spring cloud, Hibernate, EJB, XML, JDBC.
• Good understanding of Object-Oriented Design (OOD), Java Design Patterns, J2EE Design Patterns, MVC and distributed architectures.
• Participated in all aspects of software Development Life Cycle and Production troubleshooting.
• Experience in working with Angular 8 modules, services, templates, directives, services and dependency injection to create a SPA.
• Hands on experience In Front end technologies like Node.JS, Angular 8, Angular.JS, and Angular CLI
• Proficient in building responsive and cross-browsers, trans-platform web application using HTML5, CSS3 and Twitter Bootstrap.
• Experience in Sitecore CMS like creating Templates, Layouts, Renderings, Rules Engine, Custom Pipelines, Sitecore API, Roles & Authorization, Workflows, Publishing, Deployment, Packages, Subsites, Multilingual websites, Migration, Scaling .etc.
• Experience to monitors operational and performance metrics using Cloudwatch for AWS clouds.
• Strong Experience in dealing with CSS Animations, Backgrounds, Layouts, Positioning, Text, Border, Padding and CSS Box Model.
• Developed user interface by using the React JS, Flux for SPA development.
• Solid experience with Java 8 features such as Multithreading, Collections, Generics and Annotations
• Experience in Use Cases, Sequence Diagrams and Class Diagrams using UML and J2EE Design Patterns like Model-View-Controller (MVC), Singleton, Abstract Factory, Session Façade, DAO, DTO, Service Locator and Business Delegate in developing multi-tier distributed web applications.
• Developed Microservices to provide Restful API utilizing Spring Boot with frameworks such as Hibernate, Spring Data JPA and messaging engines.
• Implemented Spring Core Annotations for dependency injection and Spring MVC for Rest APIs, Spring Boot for micro-services.
• Extensive Microservice development experience using 12 factor app principles Spring Cloud Netflix-Zuul API gateway, Eureka naming server, Feign, Ribbon, Hystrix, Cloud Configuration server, and Spring Cloud Bus.
• Experience in Spring Framework along with Hibernate to manage interactions with the database.
• Developed Microservices to provide Restful API utilizing Spring Boot with frameworks such as Hibernate, Spring Data JPA, and messaging engines.
• Configured Spring JDBC, Spring Hibernate ORM and JPA and used MAVEN as a build tool.
• Good experience with Apache Kafka, Apache Spark, JMS, RabbitMQ for real-time data streaming and message handling.
• Used on Swagger for automated documentation to the web services in the application by configuring Hapi-Swagger and Hapi- Swagger-UI.
• Used Rest client - POSTMAN and SOAPUI tools to test REST API services.
• Used JMeter as the load testing tool to evaluate the performance of the overall service and Splunk, Dynatrace tool to trace the server logs while running the performance test with heavy load.
• Experience in working with NoSQL databases (schema on read) databases mongo DB and Casandra and search optimized store elastic search.
• Experience on working with Amazon Web Services (AWS) EC2 instances, SQS, S3 and AWS Java SDK
• Responsive Web Design (RWD) for different types of Devices like tablets and mobiles using media queries and libraries like bootstrap.
• Experience with DevOps methodologies, implementing CI/CD Pipelines using tool sets like GIT, Jenkins, and Chef. Setup the continuous Integration (CI) process and continuous deployment (CD) jobs in Jenkins’s brew master instance, which reduces the time for the deployment of micro services.
• ConfiguredMaven dependenciesfor application building process that created POM.xml files and define the dependencies / plugins to build the application.
• Used Junit and Karma for unit testing of the application and log4j for logging.
• Experience working on GIT, Bitbucket and GitLab for project management and version control management.
• Cloud based deployment experience on Amazon EC2 and their other offerings like S3 and AWS.
• Strong communication, collaboration & team building skills with proficiency in grasping new technologies.
• Self-starter always inclined to learn new technologies and Team Player with very excellent communication, organizational and interpersonal skills.

TECHNICAL SKILLS

Languages: Java, SQL, HTML, CSS, JavaScript, TypeScript, jQuery

Tools: & Framework: Spring MVC, Spring Core, Sprint Boot, Spring AOP, Spring Data, Spring Batch, Spring Web Flux, Spring Cloud, Spring Security and Hibernate, Angular, React, Redux, Router.

Web Services: Microservices, SOAP, REST, SOA Architecture, Jersey.

Middleware Technologies: JMS, RabbitMQ, Kafka, Spring Integration, Spring AMQP

App Servers/Containers: WebSphere, Apache, Tomcat, JBoss EAP, WebLogic and Docker.

Databases: IBM DB2, Oracle, PostgreSQL, Apache Cassandra, MongoDB

Testing Tools/Frameworks: SoapUI, Rest Client, Junit, Mockito, Selenium, Karma, Jasmine

Version Control Tools: GitLab, Git, Bitbucket

Build-Automation Tools (CI)/ Issue Tracking Tools: Maven, Gradle, Apache Ant, Jenkins, JIRA

Design Patterns: MVC, Factory, Front Controller, Singleton, Observer and DAO patterns

Cloud Platforms: AWS (EC2, EBS, RDS, Lambda), PCF

PROFESSIONAL EXPERIENCE

Confidential - Austin, Tx

Senior Java Full Stack Developer

Responsibilities:

• Participated in daily SCRUM meetings to deliver the quality deliverables within assigned time frame using Agile Methodology of SDLC.
• Used Git source control, Bitbucket to keep track and record the work progress of the application.
• Used JavaScript and TypeScript features such as Client-Side Validation, Asynchronous Processing and used JSON to build a responsive Single Page Application.
• Used Vue JS features such as Virtual DOM, Data Binding, Event Handling, Animation in the development of the application.
• Worked on migration of the project converting Angular components and updating Router Modules. Implemented the complete setup with the configuration file changes from Angular 6 to Angular 8.
• Worked on Angular 8 features such as Components to generate views, Data binding to bind the data from component to DOM elements.
• Used Angular Directives like Attribute directives to change the look and behavior of existing HTML elements, Structural Directives to add and remove DOM elements, Component based Directives.
• Used Angular Forms to handle user input data, Form Validation features like Required Validator to perform field validation and Pattern Validator to validate regex pattens.
• Used Angular Pipes to transform and manage data within interpolation and used Chained Pipes by combining multiple pipes for data transformation.
• Used Angular features like Animation to give better user interaction experience, Reactive Programming to allow Observable to emit a data stream and Observer to capture it through Subscription process.
• Used Http Client Programming with Angular to create client-side application and used Express to create server-side application.
• Used Java 11 features such as Collections, Java 8 features such as Lambda Expressions, Method References, Stream APIs, Date Time API in the application.
• Developed Controllers, Interfaces and Implementation classes using Spring MVC framework and used Microservice architecture with Spring Boot based service through REST.
• Migrated existing applications into REST based Microservices to provide all the CRUD capabilities using Spring Boot.
• Built Cloud Microservices and implemented backend using the radically faster Spring Boot and developed Spring based application with very less configuration. Made services independent of each other by implementing Microservices concepts.
• Worked with Microservice architecture using Spring Boot to modularized code and implemented REST API’s using Spring Rest and integrated Swagger API for documentation.
• Implemented domain base classes to provide basic properties using Spring Data. Designed and developed RESTFUL web services using Spring Boot and Jersey framework.
• Used Spring Cloud Circuit Breaker to provide a consistent API to use in the applications which allowed me to choose the implementation that best suited the needs of our application.
• Used Spring Cloud Netflix to provide Netflix OSS integrations for Spring Boot apps and binding to the Spring Environment.
• Configured Persistence-Context in Spring JPA and Hibernate as a persistence provider to interact with Oracle database.
• Used Spring Object Relational Mapping to integrate with Hibernate for persistence layer.
• Used OAUTH authentication framework to provide security to Restful web services by generating access token in order to access protected resources.
• Designed and implemented a Stream Filtering system on top of Apache Kafka to reduce the stream size.
• Developed Apache Kafka for streaming server-side events and used Metrics Collection mechanism for the server and used Kafka Manage to work with consumer logs and to monitor them.
• Designed and built the system to gather the data from multiple portals using Kafka and process it using Spark.
• Designed and prepared the Unit test cases using Junit and captured the log that included runtime exceptions using Log4j and removed the maximum bags before passing the application onto the QA team.
• Worked on Automation Testing using Java and TestNG which is used to perform sanity testing on every deployment performed in QA Environment which also sends the Email Notifications on failure.
• Wrote complex SQL statements, join and stored procedures to fetch data from the Oracle database using TOAD.
• Worked on writing SQL queries, PL/SQL code review/ SQL programming, modified and tuned existing stored procedures and queries for developing new requirements.
• Expertise in using NoSQL database like MongoDB to support the storage of JSON objects and providing the storage for security related information.
• Created YAML files for using a Swagger API within user interface. Developed some test suites for Automated testing using Selenium.
• Designed and executed the Automation Test Scripts using Selenium WebDriver and Junit.
• Used Tomcat server for running the application development and deployment and used JIRA for tracking the issues.
• Worked with SonarQube features such as Static code analysis, Code Quality Metrics & History to check and improve the quality of the code written and the code coverage.
• Used Gradle to build the applications and used Jenkins for CI/CD Continuous Implementation/Continuous Delivery.
• Used AWS developer tools like Pipeline, Code Deployment and code build cloud formation templates.
• Created and deployed the Docker image of services building Docker file and build a Continuous Delivery pipeline for the containers using AWS Code Pipeline and Amazon ECS.
• Worked with IntelliJ ide and its associated plugins.

Environment: Java, JavaScript, TypeScript, JSON, Angular, Spring, Micro Services, Hibernate, Swagger API, REST API, Oracle, MongoDB, Jenkins, Junit, TestNG, Selenium, Log4j, OAuth, Git, Bitbucket, Apache Kafka, Gradle, JIRA, IntelliJ, SonarQube, AWS, AWS EC2.

Confidential, Westlake, TX

Java Full Stack Developer

Responsibilities:

• Designed services and factories and injected into various methods and designed customized filter techniques in the web page using Angular8.
• Used Angular 8 framework to create a single page application (SPA) which can bind data to specific views and synchronize data with the server.
• Adoption of new principles such asresponsive design, mobile first and adaptive design usingAngular 8 libraries usingTypescript.
• Connect Web API to Angular using Http Call and designed GET, POST, PUT, DELETE for Web API.
• Fetching JSON data from the Web API, appropriately parsing that data and rendering it on the screen using various data visualization components.
• Created Typescript reusable components and services to consumeREST API'susing Component based architecture provided byAngular 8.
• Worked on Lambda Expressions, Functional interfaces, Stream API’s, Time API and improvements on Collection, Concurrency, and IO improvements by using Java 8.
• Developedmicroserviceswith Spring and tested the application using Spring Boot.
• UsedSpring Core annotationsforSpring Dependency Injection, Spring BootforRest API’sandSpring Bootformicroservices.
• Implemented RESTful web services to retrieve data from client side and made REST API calls from Angular and parsed data to project to client and handled the security and authorization using Spring Security and OAuth.
• Worked with Swagger to get REST API specification and documentation, created and tested Mock service for the specification using SOAP UI.
• Published and retrieved records using producer and consumer API in Spring boot using Apache Kafka.
• Worked with modules like MongoDB and mongoose for database persistence usingNode.jsto interact with MongoDB.
• Worked with npm commands and using package. Json for managing dependencies and dev-dependencies ofNodejsapplications.
• Developed Spring Boot REST API end points implementing messaging queue for a supply chain delivery system.
• Developed & Implemented OAuth2 functionality with Spring Security to secure the REST services/REST API for authentication & authorization and generate & validate the tokens for REST clients to protect the REST services.
• Developed Microservices using Spring Boot, Spring Cloud with Netflix Eureka to create the discovery Server, service, discovery clients and integrated Apache Kafka and Zookeeper as message broker.
• Experience in Server side development on large scale projects withSpring Boot,Spring Security,Spring Cloud, Spring JDBC, HibernateandSpring Data JPAas well asMicro Servicearchitecture.
• Designed and Developed Custom Connector Software in Java to fetch data from third-party security applications using RESTful webservices, storing in Kafka Message Queues and performing analytics for streaming data in real time using Apache Spark.
• Implemented REST API using Node.js, Express.js.
• Used Node.js as a proxy to interact with RESTful services and interacting with PostgreSQL Database.
• Used Microservice architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers and also worked with Kafka Cluster using Zookeeper.
• Experience with MongoDB development (reports, schema design, map reduce functions) and migration from SQL relational database to NoSQL databases like MongoDB.
• Implementing authentication using OAuth2 and JSON Web Token (JWT).
• Development of cloud hosted web applications andREST APIsusing Spring Boot with embeddedTomcat.
• Performed a lot ofDOM operationsfor loading and manipulating dynamic content on web pages.
• Used Swagger to design and document Microservices.
• Implemented Hibernate in the data access object layer to access and update the information in the Oracle database.
• Created java base project using Maven as a build tool and used Jenkins to analyze and identify the bugs in the code and to automate repetitive tasks.
• Experience in utilizing Log4j for logging messages lie Debug and Error for better tracking of the application.
• Created java base project using Maven as a build tool and used Jenkins to analyze and identify the bugs in the code and to automate repetitive tasks.
• Extensively used JUnit for unit testing, integration testing and production testing and writing Unit Tests using JUnit, Mockito.
• Used Docker to containerize the Services and APIs to run on EC2 instances and Implemented the build stage to build the Microservices and push the Docker Container image to deploy into AWS environment.
• Used Kubernetes Linux container for deploying and scaling containerized applications.
• Developing the Microservices using Spring Boot that create, update, delete and get the assignment information from backend and handled the security using Spring Security to enable the application to be deployed on AWS EC2 Server Cloud.
• Deployed the Application into Docker container and made it easily accessible at runtime using Pivotal Cloud Foundry and other cloud services like AWS, Netflix Eureka, Spring Hystrix as fallback method, Spring Ribbon for load balancing and a broker service to maintain status using Spring.
• Created and deployed the Docker image of services building Docker file and build a continuous delivery pipeline for containers using AWS Code Pipeline and Amazon ECS.
• Created a build process for different environments likedev, testandproduction. Demonstrated knowledge ofcode reviews, unitandregression testing, page speed testing.
• Used Jasmine framework to write Unit test cases for the web module. Also, used different developer tools respective to the browser to debug the code.
• Worked with Agile software lifecycle methodology and involve in daily SCRUM meetings for report, plan and expect purpose

Environment: HTML5, CSS3, Angular, Node JS, JavaScript, TypeScript, JQuery, AJAX, Bootstrap framework, Jasmine, Tortoise SVN, GIT,AWS, Docker, Unit testing, Junit, Maven, Spring Boot, Kafka.

Confidential, Atlanta, GA

Java Full Stack Developer

Responsibilities:

• Created various wizards, components and fragments for different pages in the application.
• Implementing functionality on the frontend to make server calls which enables sending and retrieving data from the backend through the Mid-tier.
• Developed efficient design and user-interactive (UI) web pages using web technologies like HTML5, CSS3, ES6 JavaScript, Node.js, React.js and React Native/Redux Saga.
• Created application interface codes using JavaScript following ReactJS workflows and Redux library.
• Implemented various screens for the front end using ReactJS and used various predefined components from NPM (Node package Manager) and Redux library.
• Involved in using ReactJS components, Forms, keys, Events, Router, Animations and Flux concept.
• Developed Microservices to provide Rest API's utilizing Spring MVC and Redux library.
• Used ReactRouterto create aSingle Page Application(SPA) which can bind data to specific views and synchronize data with server
• Design, develop, configure, program and implement web applications, packages and components customized to meet specific needs and requirements.
• Developed an application which works through Forms and return JSON to frontend.
• Involved in Restful web services, as that can be invoked using HTTP, and can be activated using HTTP requests and it is the client-server, cacheable communications protocol, which can be used for designing networked applications.
• Designed and developed theRESTbased Microservices using the Spring Boot, Spring Data with JPA.
• Developed and deployedMicro Servicesbased applications usingSpring Boot and Spring Cloud.
• Created REST web services and Spring with Jackson Mappers to exchange data using JSON data structure.
• BuiltREST APIend-points for various concepts usingJAX RS API.
• Documented theREST API’susingSwagger2API for briefing the services involved in the application.
• Experienced onmicro services-based architecture usingSpring Boot interactingthroughREST API.
• Implemented Internationalization usingSpring MVC Interceptors, Spring core modules and native Spring AOP facetsofLogging and transactional management.
• ImplementedQuartz schedulerto execute batch programming usingSpring Batch.
• Implemented fail safe and circuit breaker patterns in Spring Boot, Microservices applications using Hystrix.
• 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.
• Developed SQL and PL/SQL stored procedures and prepared statements for updating and accessing data from Oracle database.
• Involved in Jenkins CI/CD integration and configuration of selenium and Postman /Newman for scheduled job
• Implemented Test Driven Environment(TDD) UsedJUnit, Mockito, Sonar for Unit testing.
• Utilized Apache Tomcat Web Server to deploy and test the results of the application.
• Created Auto deploy jobs using Jenkins and Gradle.
• Working on creating a distributed network by hosting the application on AWS cloud, Amazon EC2 servers.
• Project migration into cloud environment using AWS like EC2. Storage using S3 bucket and configuring instance backups to S3 bucket.

Environment: SOAPUI, HTML5, XML, CSS3, JavaScript, Ajax, Angular8, JSON, jQuery, RESTful API, Gradle, Single page applications, Git, Gerrit, Jenkins, Responsive web design, Hibernate, Spring Batch, Rest API .

Confidential, Austin, TX

Java Full Stack Developer

Responsibilities:

• Developed the application using agile methodology - brought out the best in team by collaboratively working with other developers and also partnering with architects.
• Responsible for creating efficient design and developing Single Page Application (SPA) using AngularJS, Angular, HTML5 template handlers, CSS3.
• Worked on Java/J2EE development full stack development which involves end to end coding
• Moved existing AngularJS controllers and services to Angular components for more responsive and less dependency.
• Used Angular CLI for creating components, Services, pipes, Directives.
• Used Spring Framework AOP Module to implement logging in the application to know the application status.
• Designed and developed microservices using spring boot for service oriented architecture to build flexible and independently deployable software.
• Used Hibernate, JPA object relational mapping (ORM) solution, technique of mapping data representation from MVC model to Oracle Relational data model with an SQL-based schema.
• CreatedServicesto consumeREST API'sand to communicate between components usingDependency Injectionprovided by Angular 2.
• Experienced in JMS over messaging to exchange the information in a more reliable and asynchronous way in enterprise Applications. Implemented Find Bugs, sonar Lint plugin for code quality, Fortify scan and SonarQube for the Jenkins.
• Used JMeter as the load testing tool to evaluate the performance of the overall service and Splunk, Dynatrace tool to trace the server logs while running the performance test with heavy load.
• Used GIT for version control and JIRA for bug tracking, project management and Maven as build tools.
• 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.
• Experienced in creating the Hibernate POJO Objects and mapped using Hibernate Annotations.
• Expert at handlingUnit TestingusingJUnit,Jasmine,andKarma.
• Implemented PCF for rapid delivery of new experiences to customers.
• Experience in Micro services development using Spring Boot and deployment in Pivotal Cloud Foundry (PCF).
• Experience in building enterprise class, highly available CICD pipelines from code in a highly elastic, cloud native environment.
• Used Subversion GIT, SVN for software version control.
• Wrote the test cases using the testing framework JASMINE and run those tests in the KARMA test runner.

Environment: Java 1.8, JavaScript, Angular JS 4, HTML 5, CSS, Spring Boot, Spring cloud, Microservices, REST API, Hystrix, AWS, EC2, OAuth2, Hibernate, Jenkins, JASMINE, JQuery, JUNIT Bootstrap, JSP, AJAX, Mongo DB, Git, Spring MVC, Firebug, Visual Studio tool.

Confidential, Omaha, NE

Software developer

Responsibilities:

• Worked with Angular Controllers, services, custom directives, interceptors and factory functions to build flued and user-friendly front end.
• Used rxjs operators like switchmap, mergemap, forkjoin, combine etc. to program some business logic in Effects and to bind data to forms.
• Created the Redux/ngrx data flow by building the store, dispatching the actions, maintaining the store using Reducer and accessing the API Services using Effects.
• An analyzed business requirement to translate functional requirements into technical requirements and developed web application using REDUX, Webpack, JavaScript, JQuery, HTML5, and CSS3
• Utilized modular structure within the Angular application in which different functionalities within the application were divided into different module.
• Used Hibernate ORM in Persistence Layer.
• Developed various Database interaction objects by implementing the DAO patterns and used Hibernate as Model Component with the corresponding relational mappings using annotations.
• Used HQL (Named/Native) queries to directly interact with the database to update or insert the records.
• Developed persistence layer modules using Java Persistence API (Open JPA) annotations and Entity Manager.
• Developed Web services component using XML, WSDL, and SOAP with DOM parser to transfer and transform data between applications.
• Exposed various capabilities as Web Services using SOAP/WSDL.
• Used SOAP UI for testing the Web services by sending a SOAP request.
• Fixed bugs and stabilized the application.
• High Charts to generate different types of reports on water usage.
• Used moment.js, time picker, date picker to display the dates and times to run the water programs.
• Written the test cases using the testing framework JASMINE and run those tests in the KARMA test runner.

Environment: Java, J2EE, HTML, jQuery UI, jQuery 1.1, Struts 2, EJB 3, Hibernate, XML, JavaScript, Web services, Servlets, Oracle, HTML, SVN, JUnit, Eclipse, LDAP, Apache Commons Libraries, WebLogic Application Server.

Confidential

Java developer

Responsibilities:

• Developed the business domain layer usingJava, J2EE, JDBCandused DAO, Transfer Objects, Singleton, FactoryandFront Controller design patterns
• ImplementedStruts frameworkin the presentation tier for all the essential control flow, business level validations and for communicating with the business layer
• DevelopedStruts frameworkActionServletsclasses for Controller and developed FormBeansfor transferring data between Action class and the View Layer
• Developed the front endUIusingJSP, HTML, JavaScript, CSS. ImplementedStruts Validators frameworkto validate the data
• Developed Ant(build.xml) targets for build and deployments onWebSphere Application Server5.0
• DevelopedStored Proceduresin theOracle 9i database.
• Performed impact analysis on thedependency projectsof OneSource Project
• Involved in writing unit test plans and developing test cases usingJunit. Used Configuration Management andVersion Control tool CVS. Designed User Interface usingJava Server Faces (JSF), Cascading Style Sheets (CSS), and XML.
• Developed theEnterprise Java Beans(Stateless Session beans) to handle different transactions such as online funds transfer, bill payments to the service providers.
• Developed deployment descriptors for theEJBhave to deploy onWeb SphereApplication Server.
• ImplementedService Oriented Architecture(SOA) usingJMSfor sending and receiving messages while creating web services.
• Developed Web Services for data transfer from client to server and vice versa usingApache Axis, SOAP, WSDL, and UDDI.
• Extensively worked on MQ Series using point-point, publisher/subscriber messaging Domains for implementing Exchange of information through Messages.
• DevelopedXML documentsand generatedXSLfiles for Payment Transaction and Reserve Transaction systems.
• Implemented variousJ2EEDesign patterns likeSingleton, Service Locator, Business Delegate, DAO, Transfer Object, and SOA.
• Worked onAJAXto develop an interactiveWeb Application and JavaScriptfor Data Validations
• UsedSubversionto implement version control System.

Environment: Java, J2EE, HTML, JQuery UI, JQuery 1.1, Struts 2, EJB 3, Hibernate, XML, JavaScript, Web services, Servlets, Oracle, HTML, SVN, JUnit, Eclipse, LDAP, Apache Commons Libraries, WebLogic Application Server.