SUMMARY

• 8+ years of experienced in Software Analysis, Design, Development, Implementation and Testing of Object - Oriented Applications and Web based Enterprise Applications using Java/J2EE.
• Excellent in all phases of SDLC like requirements, multi-tier application development with Agile, Scrum, TDD, and Waterfall.
• Hands on experiences withCore JavawithMultithreading, Concurrency, File Handling I/O, Generics, Data Structures and Collections, Garbage Collection.
• Experience inJava 1.8features likeParallel Streams, Lambdas, functional interfaces and filters.
• Experience in front-end development using HTML5, CSS3, Bootstrap, ECMA Script, JavaScript, Typescript, Ajax, jQuery, Redux, AJAX, XML, JSON, Angular 2/4/6/7/8/9, ReactJS and Node JS.
• Experience in developing, deploying, and managing N - tier, server-centric J2EE enterprise class projects usingEclipse IDE,My Eclipse,J2SE (Java, Applets, Swing, JDBC, RMI), J2EEWeb application technologies(Servlets, JSP, JSTL, JS, JNDI), Enterprise application technologies (EJB, JMS).
• Expert in writing SQL queries and using Hibernate framework with Spring ORM in interaction with the RDBMS and familiar with Non-Relational Database like Mongo DB.
• Solid experience in Angular 6/7/8 Routing, UI router, Services, Components, Directives and Filters.
• Experience inSpring framework (MVC /BOOT/ CLOUD/ SECURITY/IOC /ORM /JDBC /AOP /BATCH)andStruts (MVC, architecture, interceptors, action mappings and resource bundles).
• Good experience on Design Patterns (J2EE) likeSingleton, Factory, DAO, Session Facade, FrontController, and Delegate Pattern.
• Proficient in authentication and authorization withSpring Securityin the mode ofLDAP, OAuth2, SAML, JWT (JSON Web Token).
• Experienced in Node environment using Node.js, NPM.
• Experienced in developing messaging module by usingSpring JMS, Apache Kafka, Active MQ, and Rabbit MQ.
• Experience in developingMicroservicesusingSpring-Boot.
• Experience in development and deployment of applications usingJBoss, Web LogicApplication Server, IBM WebSphere Application and Apache Tomcat.
• Experienced with RDBMS implementation and development usingOracle, MySQL, SQL, PostgreSQL, and DB2 and Nosql databases like MongoDB, Cassandra, DynamoDB.
• Experience in developingSOAPbased Web Services usingApache CXF and JAX-WS.
• Experience in designing fully distributed system with the use of Restful API and MicroServices.
• Experienced in developingRestfulServices usingJAX-RSspecification like Jersey and Rest Easy to implementRESTbased Application.
• Experience working onWeb Services SOAP & REST, JAX-WS, JAXB, WSDLandUDDIregistry.
• Expertise in implementingService Oriented Architectures (SOA)using XML based Web Service such asSOAP, UDDI and WSDL.
• Expertise in DevOps, Release Engineering, CI/CD by using various tools like Jenkins, Docker, Bitbucket, Chef, Ansible, Docker, ELK, Kubernetes.
• Experience with Cloud Computing Service environment like (AWS) Amazon Web Services (EC2, EBS, ELB, S3, VPC, RDS, SQS, Cloud Watch, Kinesis, AutoScaling, EMR, ELK and ELASTIC SEARCH).
• Experience in Installation ofPivotal Cloud Foundry (PCF)on EC2 to manage the containers created byPCF.
• Experience with Object orientation design, and implementation Microsoft Azure cloud product suite (Service Bus, Event Hub, Azure Function, Azure blob storage, Azure Cosmos DB).
• Good experience inJ2EETesting in developing test cases withJUnit, MOCKITOfor Unit testing, and Jasmine, Karma for UI testing, Postman for API testing, and logging usingLog4j.
• Experience in using bug/issue tracking, project Tracking and Management toolJIRA.
• Experience in using version control and configuration management tools likeGIT, SVN and CVS.
• Experience in using the tools likeAnt, Gradle and Mavenfor build automation.
• Extensive experience in testing on multiple operating systems includingLinux,UNIX,Sun Solaris, and Windows.

TECHNICAL SKILLS

Java/J2EE Technologies: Servlets, JSP, JSTL, JDBC, JMS, JNDI, EJB, Swing, AWT, Multi-threading, Microservices

Programming Languages: Java 1.8/11, Core Java, SQL, PL/SQL, C, C++

J2EE Frameworks: Spring MVC, Struts, JSF

Application/Web Servers: WebLogic, IBM WebSphere, JBoss, Tomcat

ORM Frameworks: Hibernate, JSF, IBATIS

Web Technologies: JSP, JavaScript, Bootstrap, jQuery, AJAX, XML, XSLT, XHTML, DHTML, CSS3, HTML5, AngularJS, Angular2/4/6/7/8/9, Backbone.js, React.js, Node.js, Redux, Flux

Spring Frameworks: Spring IOC, Spring Batch, Spring Boot, Spring Security, Spring Cloud

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

IDE: Eclipse, NetBeans, IntelliJ, STS

Web Services: REST, SOAP, JAX-WS, JAX-RPC, JAX-RS, WSDL, Axis2, UDDI, Apache CXF

Version Control: GIT, CVS, SVN, Clear case

Build Tools: ANT, Maven, Gradle

Methodologies: Agile, Scrum, Waterfall, TDD

Modelling Tools: Microsoft Visio, Rational Rose

Operating System: Windows, Mac, Linux, UNIX

Tools: Apache Camel, ESB, cucumber, Rational Rose, Microsoft Visio

Testing & Logging: Junit, Jasmine, JUnit, Log4J, SoapUI, Test NG, Easy mock and Power mock, Karma, Protractor, Mockito, Selenium, Jenkins, Docker

Cloud Tools: Azure, AWS, EC2, S3, RDS, Cloud Watch, ELK, Kubernetes, PCF

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Sr. Java Full Stack Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modeling, analysis, design, development, and testing.
• Followed Agile/Scrum methodology that included iterative application development, weekly Sprints and stand-up meetings.
• Developed the view-controller components using JSP’s, HTML5, CSS3, AJAX, JavaScript, Bootstrap, JSON, XML, Angular 9, Node.js, React.js, and JQuery.
• Developed API driven responsive web applications by integrating Angular 9 with Bootstrap and API's.
• Used Angular router and implemented module wide routing and created different forms using Angular data driven and template driven forms.
• Consumed REST services using Angular HTTP and performed various REST Http operations for data retrievals and updates.
• Created Services to consume REST API's and to communicate between components using Dependency Injection provided by Angular 9.
• Used Java 1.8 features like Lambda expressions and Stream API to support functional-style operations on streams of elements.
• Worked on Java 11 programming concepts like Streams, Functional Interfaces, new date time API and lambda expressions.
• Core Java with Concurrent API is used extensively for parallel processing and chunk processing of trade execution data and market data and converts into JSON and store it Mongo DB (NoSQL).
• Enabled accurate data manipulation and SQL data updates using service classes and implemented client-side input validation and back-end business logic.
• Responsible for creating an instance onAmazon EC2(AWS) and deployed the application on it.
• UsingKafkafor Publish/Subscribe pattern in application dealing with messaging.
• Used Spring Boot which is radically faster in building cloud MicroServices and develop Spring based application with very less configuration.
• Implemented Swagger for themicroservicesfor DocumentingRest API.
• UsedSpring ORM HibernateTemplate as the ORM tool to communicate with the database.
• Involved in creating and extracting data from database usingSQL Queries, PL/SQL Stored procedures, triggers, and packagesonOracledatabase.
• Developed Microservices & APIs using Spring Cloud, Spring Security, Spring Boot, and Spring Integration.
• Worked with NoSQL database MongoDB to store JSON like dynamic connections data.
• Deployed Code onto Git environment and applied some hooks to automate the process of Continuous Integration and Continuous deployment (CI and CD).
• Implemented the authentication of the application using Spring Security and OAuth.
• Performed REST validations and created REST exception Handlers and used Postman to test REST services.
• Developed unit test cases using Junit, Spring to test REST microservices.
• Involved in consuming SOAP based web services so that the business application can integrate with legacy applications and facilitates for future applications.
• TroubleshootAWSEC2Status check including System Status checks and Instance Status check alerts.
• Responsible forContinuous Integration (CI) and Continuous Delivery (CD)process implementation usingJenkinsalong withUNIXShell scripts to automate routine jobs.
• Managed and maintainedOracle and NoSQL (MongoDB)databases in production domain.
• Design and implementation of different microservices and its Dockers files.
• InstalledPivotal Cloud Foundry (PCF)on EC2 to manage the containers created byPCF.
• Created and maintained Dockers images and Dockers containers.
• Worked as part of the Microservices team to develop and deliver Maven projects to deploy on Jenkins CI/CD and involved in managing the Docker containers in Kubernetes.
• Created Dockers machine in AWS EC2 instance and created Dockers containers in Dockers Machine running in AWS EC2.
• Used Apache Maven as a build tool for building the Restful web-service.
• Used SonarQube for the code review.
• Developed Angular Components, Services, and Filters and took part in developing unit test and integration test cases using Jasmine, Karma.
• Involved in using Junit for unit testing and Jira for bug tracking.

Environment: Java 1.8/11, Microservices, Spring Boot, Spring Security, AWS, Hibernate, JAX-B, JAX-RS, SQL, NoSQL (MongoDB), Oracle, GitHub, Kafka, Unix, JUnit, Log4J, Angular 9, HTML5, CSS3, and Bootstrap, Ajax, JSON, jQuery, Docker, Swagger, Jenkins, SOAP, Maven, WebSphere, PCF, Log4j, JIRA, GIT, Agile.

Confidential, St. Louis, MO

Java FullStack Developer

Responsibilities:

• Worked on high level and low-level system design, planning, estimation and implementation.
• Developed presentation layer using HTML5, CSS3, Ajax, JavaScript, Bootstrap, NodeJS, and React.js, Redux, Flux Concept, React Native.
• Used advanced JavaScript libraries and frameworks such as AngularJS and Object-oriented programming in JS.
• Used ReactJS in components like JSX, creating React components, Virtual DOM, React Props, Lifecycle methods, working with React States and Events.
• Developed and then implemented user interface by using the React JSto handle cross browser compatibility issues in different browsers.
• Developedmicroservicesarchitecture using Rest APIs,spring bootandpivotal cloud foundry (PCF).
• Implemented core logic to build target view utilizing core framework API methods leveraging Java 1.8 features like Lambda Expressions, enhanced collection API etc.
• ImplementedSpring Boot Microservicesto divide the application into various sub modules.
• UsedReact.jsfor developing UI using sorting, pagination and rendering for searching the statements on the webpage.
• UsedSpring MVC Design Patternto hold the UI data and serve the request and to send the response.
• Connected to Data sources and performed operations usingSpring Data Frameworkfeatures likeSpring JDBCandSpring ORM.
• UsedAWSto deploy the project on anEC2instance. Created highly fault tolerant, highly scalable Java application usingAWS Elastic Load Balancing,EC2, VPCandS3as part of process and security improvements.
• Good understanding ofAWSElastic Block Storage (EBS), various volume types and utilization of different types ofEBSvolumes based on requirement.
• Designed and developedMicroservicesbusiness components usingSpring Boot.
• Involved in the best/worst practices for integratingMicroservicesinto existingsystem architecture.
• ConsumedKafka,RESTbasedMicroserviceswith Rest template based on RESTful APIs.
• IntegratedSpring DAOfor data access usingHibernateto fetch data from database and avoid redundant database access statements.
• Involved in using Swagger for themicroservicesfor DocumentingRest API.
• Extensively usedHibernate (HQL)andSQLfor querying databases.
• CreatedStored Procedures, functions, views, indexes and constraints,triggersrequiredSQLtuning to reduce the response time in the application.
• UtilizedCassandra, NOSQL database management system for keeping user generated data by upgrading of Couch base andCassandracluster.
• Used Spring Boot which is radically faster in building cloud MicroServices and develop spring-based application with very less configuration.
• Developed Microservices & APIs using Spring Cloud, Spring Security, Spring Boot, and Spring Integration.
• Spring JDBC used retrieve and update, inserting data in oracle database with use of stored process.
• Developed MySQL stored procedures and triggers using SQL to calculate and update the tables to implement business logic.
• Used Jenkins and CI/CD pipelines to drive all Microservice authentication builds out to the Docker registry.
• Used Azure functions to integrate the applications and run backend process according to schedules without provisioning/managing servers.
• Migrating the project to Microsoft Azure with Azure services.
• Used Git as a version control tool.
• Worked on Azure VPN-Point to site, Virtual networks, Azure custom security, end point security and firewall.
• Used Gradle as a build tool for building application.
• Used Jasmine, Karma, Mocha for front end testing, Postman for API testing and Jnuit for unit testing.
• Used Jira for bug reporting.
• Implemented automation using Selenium WebDriver, JAVA, and TestNG.

Environment: Java 1.8, J2EE, Azure, Microservices, Spring (IOC, AOP, MVC, JPA), Spring Boot, Hibernate, Apache Kafka, Apache Camel, Agile, HTML5, CSS3, JavaScript, Angular JS, Node JS, jQuery, Oracle, PL/SQL, Cassandra (NoSQL), Maven, PCF, Log4j, JUnit, Jenkins, GIT, JIRA, Agile Methdology, RESTful Web services, SOAP.

Confidential, Columbus, OH

Java Developer

Responsibilities:

• Involved in variousSDLCphases like requirement gathering,Design,AnalysisandCode development.
• Involved in developing UI using HTML5, CSS3, JavaScript, React, Redux, Flux, Ajax, JSON, jQuery.
• UsedBootstrapandReact JSto create Controllers to handle events triggered by clients and send request to server.
• Involved in using Java 1.8 features in developing the code like Lambda expressions, creating resource classes, fetching documents from database.
• Analyzed theReact JSserver structure in legacy project, then mimicked theREST serviceby using JavaJAX-WS API and did the corresponding configurations.
• Developed the application usingSpring Framework Model View Controller (MVC) architecture.
• ImplementedSpring Securityfor Authorizations like Method Level and URL Level Authorization usingSpring AOP.
• Involved in developing various pages for front end usingReactJSand used various predefined components from NPM (Node Package Manager) and redux library.
• UsedWeb services(SOAP, REST) for transmission of large blocks of data over HTTP.
• Created continuous integration builds usingAnt, Jenkins and deployed onWebSphere appserver.
• UsedReact.jsfor developing UI using sorting, pagination and rendering for searching the statements on the webpage.
• UsedXML Web ServicesusingSOAPprotocol to transfer the amount to other application remotely.
• Wrote codeWeb Services (JAX-WS)for external system viaSOAP/HTTP calland to fetch data from web services via JSON response and updating theHTML pages.
• Used Swagger framework, implementing the Restful API and Swagger gives the rich User interface to test API.
• WroteHibernateCriteria queries for data retrievals and have performed theORM mappingsto map java entities to database tables.
• Implemented Spring security to manage access to different users. Designed and Developed Web Services using technologies WSDL, SOAP to communicate to the other modules.
• Involved in Message Oriented Middleware implementation using Apache Kafka.
• Worked onSOA Web ServicesusingSOAPwithJAX-WSfor transmission of large blocks ofXMLdata overHTTP, UsedJAX-B parserformarshalingandun-marshaling.
• UsedDockerto provide virtualize deployment containers and push the code toEC2cloud usingPCF.
• ImplementedSpring Boot Microservicesto divide the application into various sub modules.
• DeployedSpringBootbased Microservices Docker container using Amazon EC2 container services and using AWS admin console.
• Involved in implementing Microservices, Service Oriented Architecture (SOA) with XML based Web Services (SOAP).
• Developed Microservices using SpringBoot v2, Spring Data With JPA, Oauth2, Spring Security and deployed on to Kubernates and integrated Microservice with Kafka MQ.
• Configured theHibernate configurationfiles to persist the data to theOracle 10g Database.
• UsedDockerfor possible to production to the development environment to fast possible for interactive use.
• Constructed S3 lifecycle of Applications & Database logs, which includes deleting old logs, archiving logs based on the retention policy and granting rights to authorized users.
• Used Amazon S3 for database backup regularly and save snapshots of data.
• Designed enterprise API’s and involved in developing the API’s. Involved in testing API’s using SoapUI and Postman.
• Configured multiple data source usingHibernate Session Manger.
• Used Jenkins, Maven, Git for CI/CD.
• For fixing an application,Dockeris used to provide many tools that are not necessarily specific to containers, to provide extremely useful functionality and to include the ability to checkpoint containers and container versions.
• UsingKafkafor Publish/Subscribe pattern in application dealing with messaging.
• Multithreadingwas used to process data in chunks to improve performance.
• Followed the best practices in coding like removing unnecessary casting, usinggenericsin Hash Map, caching,Collectionslike sort, comparator, list, set and Design patterns.
• Used MongoDB document-oriented database to store data.
• Setup and builtAWSinfrastructure various resources, VPC, EC2, S3, Dynamo DB and RDS in Cloud Formation JSON templates.
• Worked withWeb Sphere Application Serveras application server.
• Used version control repositorySVN(Subversion by apache) andJIRAfor issue tracking.
• UsedMavenas a build tool and retrieved all the dependencies required for the application.

Environment: Java 1.8, AWS, Microservices, HTML, CSS, Bootstrap, AJAX, JavaScript, React.js, Node.js, Redux, Flux, Spring Boot, Spring MVC, Hibernate, Soap UI, Kafka, PCF, Docker, Maven, SVN, JIRA, MongoDB (NoSQL), XML, Web sphere, SOAP web service, Unix/Linux, Web Sphere Application Server, PL/SQL, MySQL, Git, Agile, Jenkins, Junit.

Confidential

Java/J2EE Developer

Responsibilities:

• Developed User Interface view withSpring MVCandAngularJSas aService Oriented Architecture (SOA)application.
• Deployed and MonitoredMicroServicesUsingPivotal Cloud Foundryand managed Domains and Routes with theCloud Foundry.
• Developed and deployedMicroServicesbased applications usingSpring Boot and Spring Cloud.
• UsedHTML5, CSS, jQuery, Ajaxand performed client-side validations usingJavaScript.
• ImplementedAngularJSas the framework to build asingle-page application (SPA).
• UpdatesdatausingCRUD (Create, read, update, delete)features ofBackbone.JSand Paginator for pagination for Tables.
• Used Java/J2EE Design patterns such asSingleton, Service Locater, DAO etc. andSpring IOC patternand responses.
• Gruntused for Minification of JavaScript files, compilation ofSAASfiles intoCSSand for monitoring the application.
• Performed AWS Cloud deployment activities.
• Deployed frontend application usingAWS S3andconfigured CORSto consumeRESTful servicesfrom another domain.
• Creating S3 buckets and managing policies for S3 buckets and Utilized S3 bucket for storage and backup on AWS.
• Used Hibernate, object relational-mapping (ORM) solution, technique of mapping data representation from MVC.
• Worked in integratingJMSwithSpring Bootby providing an instance which is embed withActive MQ.
• DeployedSpringBoot based microservicesonDocker containersusingAmazon ECS.
• ImplementedMultithreadingfor handling multiple requests and forhigh performance.
• DevelopedRESTful servicesbased onSpring RESTusingJersey framework.
• Implemented Internationalization usingSpring MVC Interceptors, Spring core modules and native Spring AOP facetsofLogging and transactional management.
• DB2 databaseused to load the application data and writtenPL/SQLprocedures, complex queries to perform various data operations.
• We kept upbean life cycleby utilizingSpring IOCwhich keeps up session information of beans.
• Implemented persistence layer usingHibernatethat uses thePOJOs.
• ImplementedHibernateTemplate to great extent making use ofHQL, Named Parameters, Named Queries and interfacessuch asExpression, Query and Criteria.
• DevelopedSOAPweb services usingJAX-WSand persistence usingHibernateandJPAframework.
• DevelopedSOAPWeb services inMule ESBbased on SOA architecture.
• DevelopedSOAPServices andWeb Service Clients (JAX-WS)with data representation in different formats such as XML.
• Creation of custom Docker container images, tagging, pushing images, integration of Spring boot application.
• PerformedGitHub/GitHub-Desktopbash and Terminal commands to clone, fetch, merge and push the code and created pull requests for changes that are made.
• Message broker services are achieved in the application usingActive MQwithJMS framework.
• ImplementedSpring Dependency Injection (IOC)feature of spring framework to inject beans into User Interface andAOPforLogging.
• Involved in writingMavenscripts for automated deployment of the application and managed GitHub Projects and migrated fromSVNtoGitHubwith merge and version and usedJenkinsfor continuous integration (CI).
• ImplementedQuartz schedulerto execute batch programming usingSpring Batch.
• Configured Jenkins to handle application deployment inPivotal Cloud Foundry (PCF) serverand to integrate withGit Hub version control.
• Build aCI/CD pipelineusingJenkins automationandGitHub repositoriesusing web hooks plugin.

Environment: Java, Microservices, AWS, Angular JS, HTML5, CSS3, AJAX, Bootstrap, JSON, XML, Active MQ, JMS, Hibernate, DB2, SOAP, JAX-WS, Spring Rest, Sprig boot, Spring MVC, Spring Security, Hibernate, Spring Transactions, Spring Batch, Spring IOC, Mule ESB, Jenkins, Git, Active MQ, DB2, Pivotal Cloud Foundry (PCF) server, Grunt, Jenkins, Protractor, Grunt, Cucumber, JIRA.

Confidential

Software Developer

Responsibilities:

• Involved in development activities using Core Java/J2EE Servlets, JSP, JSF used for creating web application, XML and springs.
• Implemented JSP corresponding to the controller where in the data was propagated into it from the model and view object from the controller Designed and Implemented MVC architecture using Spring Framework and Vertex which involved writing Action Classes/Forms/Custom Tag Libraries & JSP pages.
• Designed and implemented Java Classes to useJAXPparser to create Java objects to be able to modify the data received in the response.
• Highly used Angular 2/4 to build single page application for navigates through the different status and multiple modals.
• Implemented the function to send and receive messages on ActiveMQ synchronously and asynchronously.
• Used spring framework with the help of Spring Configuration files to create the beans needed and injected dependency using Dependency Injection.
• Used Spring Core Annotations for Dependency Injection and Spring MVC for REST APIs and Spring Boot for Microservices.
• Designed, developed, and maintained the data layer using Hibernate and performed configuration of Spring Application Framework.
• Involved in the development of presentation layer andGUIframework usingAngular JSandHTML.
• Developed server-side application to interact with database using Spring Boot and JPA.
• Implemented Hibernate to persist the data into database, wrote HQL based queries to implement CRUD operations.
• Involved in rendering additional components with customHTMLtags usingReact.js.
• Involved in writing application-level code to interact withAPIs, Web ServicesusingAJAXandAngular resources.
• Worked on No-SQL database Mongodb for POC purpose in storing images and URIs.
• Used theCollectionsAPI, Generics, multi-threadingwhile developing code.
• Method references are used provided inJavato make use of methods already named
• Involved in the struts upgrade to 2.X which involved in changes to action class.
• Involved in developingLINUX shell scriptsfor automating deployment of applications
• DevelopedSpring middlewarecomponents for implementing business logic andImplementedSOAbased architecture using web services to build a loosely coupled system.
• Designed and developed Business components and Integrated withSpringframework and also developed various reusable Helper and Utility classes, which are used across all the modules of the application.
• UsedLog4jfor logging various levels of information like error, info, and debug into the log files.
• Installed, secured, and configured AWS cloud servers and Amazon AWS virtual servers (Linux).
• Involved in working with theQAto assist in writing test code anddebugging the defectsin the application.

Environment: Java, AWS, Microservices, Spring Boot, Agile, HTML5, CSS3, JavaScript, jQuery, AJAX and Angular JS, XML, JSTL JSP, Java, Spring Frameworks, Hibernate, JDBC, RESTful Web services, SOAP, Jenkins, Maven, Mongo DB, NoSql, Log4j, Jenkins, JIRA, LINUX, UNIX, SVN, GIT.