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Click here or scroll down to respond to this candidateNavyasriPhone: PHONE NUMBER AVAILABLEEmail: EMAIL AVAILABLEINTRODUCTION:Over 9+ years of experience as a Full Stack Developer, encompassing all phases of the Software Development Life Cycle (SDLC), including AGILE/Scrum and Waterfall methodologies. Actively participated in the analysis, design, development, implementation, testing, and deployment of various web-based enterprise applications. Proficient in creating dynamic, user-centric interfaces and leveraging modern front-end technologies to build scalable and high-performance web solutions.PROFESSIONAL SUMMARY: Extensive experience with Core Java, Multithreading, Transaction Management, Exception Handling, Concurrency, Collections, Data Structures, Lambda Expressions, Functional Interfaces and JDBC. Expertise in the implementation of Core Java SE 8 concepts like Streams API, Lambda functions, Functional programming, Multithreading, Exception Handling and Collections. Extensive working experience with various J2EE Frameworks like EJB, Struts, JSF, JSP, JSI (Prime Faces). Expertise in using Spring frameworks for Dependency injection used spring IOC and isolating business logics with audits Spring AOP. Experience in developing and deploying Microservices based on Spring Boot and Spring Cloud. Also implemented Spring JTA for transaction management and Spring JDBC to interact with Databases. Spring Security and Spring Boot. Worked with Spring Cloud Config, Circuit Breaker, Ribbon, Apigee API- gateway and Zuul API- Gateway in the Spring Cloud and Netflix Eureka service to provide weighted load balancing based on several factors like traffic, resource usage. Proficient in implementation of spring frameworks like Spring MVC, Spring IOC, Spring REST, Spring AOP, Spring transaction Management, Spring Data, Spring DAO, Spring Batch. Good experience in developing SOA (Service Oriented Architecture) and Microservices architecture 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, Axis and Spring framework, NodeJS (Express JS & Hopi JS). Used Node.JS to structure JavaScript code to build Restful webservices. Experience in developing and publishing RESTful web services using Node Js Asynchronous programming and express JS. Expertise in using Hibernate ORM, Ibatis for implementing persistence context using JPA (Java persistence API) which is a first level cache. In Hibernate implemented second level cache using EH cache. Strong experience in User Interface development using web technologies like HTML5, XHTML, DHTML, CSS3(SAAS/LESS), Bootstrap, JAVASCRIPT, JQUERY, AJAX. Proficient in using React JS for creating reusable components along with sliders, charts, grids and handling events and DOM objects. Good knowledge of implementing MVC architecture on client side using React with redux, React with flux. Having good Experience in MVVM design pattern such as Angular 2.X and Angular 6.X Backbone JS, Ext JS, knockout JS. Experience in using JavaScript testing frameworks like Karma, Jasmine, Protractor for Angular 2.0/4.0 and Mocha and chai for React Js and Node JS. Implemented publisher and subscriber model with queues (JMS with active MQS, IBMQ, Kafka). Strong experience in working with Relational databases like Oracle, MySQL, Microsoft SQL Server, PostgreSQL, DB2 and NoSQL databases like MongoDB, Apache Cassandra, Dynamo DB. Great understanding of Apache Cassandra driver for Node Js for Parallel Execution, request pipelining. Strong knowledge of writing PL/SQL scripts for executing more than one query at a time. Proficient in creating views for tables, writing stored procedures, writing Triggers. Experience in working with monitoring tools like J profiler and Dynatrace. Hands on experience with build tools like ANT, Maven, Gradle. Experienced in working with Babel and Webpack in application build and deployment processes. Good knowledge in JavaScript Task Runner like Gulp, Grunt for minification, compilation, unit testing. Experience in working with JMeter for performance testing and LoadRunner for load testing on microservices. Strong Experience Test Driven Development (TDD) using testing frameworks like Junit, Selenium, TestNG, Mockito, Spock, Cucumber, Powermock, MockMvc, etc. Experience in configuring and deploying applications on different application servers like Apache Tomcat, WebLogic, IBM WebSphere, JBoss and web servers like Apache HTTP Server, Nginx, Caddy etc. Deploying the applications using Docker container services and building continuous integration (CI) and continuous deployment (CD) pipeline using Jenkins with GitHub. Automated the deployment process by integrating code repository using build pipeline Jenkins, Bamboo and GoCD for continuous deployment. Experience in Unix and Shell Scripting which allows the user to interact with OS. Good knowledge in building real time dashboard applications using Elastic Search, Logstash and Kibana (ELK) to profile and monitor the streaming data of the application. Professional experience in Log4J for extensible logging, debugging and error tracing Good Knowledge of Working on cloud Amazon Web Services (Amazon SQS, Amazon EC2, Amazon S3, Amazon Elastic Load Balancing, Amazon Simple DB, Amazon EBS, Amazon SQS, Amazon Lambda and Amazon Cloud Front). Strong working knowledge on deploying the pivotal cloud foundry to deploy PAAS (Platform as a service), IAAS (Infrastructure as a service) and to run own applications. Made use of Apache Kafka, Active MQ, Rabbit MQ, IBM MQ as a Message Oriented Middleware for coordinating applications. Integrating with SonarQube to get reports of bugs, vulnerabilities of code ahead of merge by integrating with bitbucket with the help of jacoco. Great experience of working with authorization and authentication of web services using OAuth 2.0, and JWT, Spring security (User Access Management). Used Docker Container to address every application across the hybrid cloud and Docker for better collaboration and innovation. Good understanding of OpenShift platform in managing Docker containers and Kubernetes Clusters. Used Kubernetes Linux container for deploying and scaling containerized applications. Used various version control software such as GIT, Clear Case, SVN, CVS, for maintaining code repositories.TECHNICAL SKILLS:ProgrammingLanguages C, Java, JavaScript, PHP, PL/SQL, UNIX Shell ScriptWeb Content Management Adobe AEM/CQ5Web Technologies HTML, HTML5, CSS/CSS3, AJAX, jQuery, Bootstrap, XML, Grunt, Gulp, JSON.JavaScriptFrameworks Angular JS, Angular 6, Angular 8, jQuery, Node.js, Backbone.js, React.js,Express.js, Ember.js, Handlebars.JSJava/J2EETechnologies Servlets, Spring, EJB, JPA, JTA, JDBC, JSP, JSTL, Java 1.8Frameworks Struts 2.0/1.0, Hibernate 4.x/3.x, Spring 3.0, Spring Batch, Spring Security,Spring AOP, Spring Core, JSF, IBatis, Spring IOC.Application Servers Apache Tomcat, WebLogic, IBM WebSphere, JBossWeb Services XSD, WSDL, Apache Axis, SOAP, Restful, GraphQL, JAX RS, JAX WSWeb Servers Oracle WebLogic 10.x/9.x, IBM WebSphere 8.x/6.x, Apache Tomcat8.0/7.x/6.x, JDatabase SQL Server, MySQL, Oracle, Mongo DB, DB2, CassandraMessaging Apache Kafka, Active MQ, Rabbit MQ, IBM MQMethodologies Agile, Waterfall, OOAD, SCRUMTesting Tools JUnit, Mockito, Jasmine, Karma, Mocha, Chai, SeleniumBuild Tools Maven, Gradle, ANTOperating Systems Windows, Linux, and UNIXVersion Control SVN, CVS, GIT and Clear CaseIDEs Eclipse IDE, RAD 6.0/7.0, IntelliJ IDEA, Spring Tool Suite (STS)Software Visual Studio, Rational Rose, and Microsoft OfficeEDUCATION:Bachelors in Computer Science and Engineering, JNTU, Hyderabad, INDIA. PROFESSIONAL EXPERIENCEClient: United Health Care August2021Till date Location: TexasTitle: Senior Java Full Stack DeveloperDescription: UnitedHealthcare is a division of UnitedHealth Group, which is a prominent health care organization in the United States. UnitedHealthcare provides a wide range of health care plans and services, including employer-sponsored, individual, and family health insurance plans, Medicare and Medicaid options, and specialty services such as vision and dental coverage. The company emphasizes improving health outcomes, enhancing the patient experience, and reducing the overall cost of health care through innovative care models and data-driven insights. UnitedHealthcare serves millions of members nationwide and collaborates with a vast network of health care providers to deliver comprehensive care.Responsibilities:- The application is developed using Java 11 and a microservices architecture, leveraging the Spring Framework, Spring Data JPA, and RESTful web services.- Developed cloud microservices and implemented back-end using Spring Boot.- Created the front end of the application using React, with HTML5, CSS3, and Bootstrap for styling.- Utilized Adobe Analytics to track and analyze web traffic and user behavior, providing insights to optimize user experience.- Worked on the migration of the project, updating components and router modules to React.- Developed UI applications using React, focusing on creating reusable and testable components.- Implemented client-side validations and created services on the UI for data interaction with the back end.- Worked on creating custom, self-contained, reusable, and testable React components to implement key functionalities for customer account summary.- Utilized React's asynchronous capabilities for input field validations with data from the database.- Set up routing configurations using React Router for various views and subviews.- Managed user sessions, including login and session timeout settings for the entire UI application.- Strong understanding of client-side application architecture and proficient in attaining MVC design patterns using React.- Worked simultaneously in both production and development teams, designing and developing dynamic web pages using HTML5, Bootstrap, CSS3-SASS, JavaScript, jQuery, and React for single- page applications.- Customized Bootstrap classes using CSS preprocessors like SASS.- Enhanced navigation and menu button responsiveness using Bootstrap's Nav-default class and Collapse button.- Used testing frameworks like Jest and Enzyme for easy debugging and followed TDD to develop the entire application.- Tested React components using Jest and Enzyme for unit testing.- Leveraged Java 11 features like parallel streams and filters through lambda expressions for efficient data processing.- Achieved dependency injection for managing components and bean lifecycle using Spring IOC.- Used Apache Kafka for reliable and asynchronous exchange of vital information between multiple business applications.- Utilized Spring Data JPA (Java Persistence API) framework and JPA Specification criteria builder to work with dynamic queries in Java.- Written aggregation queries using the Aggregation framework to fetch JSON data from MongoDB.- Used New Relic Synthetics for automated, scriptable tools to monitor websites, critical business transactions, and API endpoints.- Implemented code quality checks using SonarQube to detect bugs, code smells, and security vulnerabilities, adhering to coding standards and best practices.- Used Flyway scripts for database table creation, manipulation, repair, and validation.- Employed Layer 7 API Gateway as a security gateway for authentication purposes.- Utilized Logstash for server-side data processing pipeline to ingest data from multiple sources simultaneously.- Spearheaded and executed several end-to-end Adobe AEM projects, delivering robust web content management and streamlined digital marketing solutions.- Leveraged Adobe AEM 6.5 for advanced component development, template creation, and workflow customization.- Deployed AEM Sites and Assets to optimize web content management and delivery.- Configured and maintained AEM instances across development, testing, and production environments.Client: Barclays Jan2020August2021Location: Whippany, NJTitle: Sr Full stack Java DeveloperDescription: Barclays is a multinational investment bank and financial services company, also Barclays is organized into four core businesses: personal banking, corporate banking, wealth management, and investment management. Worked on Personal Instalment Loan (PIL)application. My role is to develop end to end functionality for applying for a loan in the bank portal.Responsibilities: Application is developed in Micro Services architecture and used technologies like spring framework, Spring Data JPA and RESTful webservices. Developed cloud Microservices and implemented back-end using Spring Boot. Created the front end of the application using HTML5, CSS3, Bootstrap and JavaScript. Implementation of the design wireframe using Angular 8 and creating services and exposing it to the backend which runs on Spring Boot. Was under migration of the project converting angular components and updating router Modules. Implemented the complete set up with configuration file changes from Angular 6 to Angular 8. Developed UI application initially using Angular 6.0 and made use of customized components. Implemented customer side validations using Angular 8.0 and created services on UI for storing and retrieving data from UI to the backend. Worked Created custom, self-contained, reusable, and testable Angular 8 modules, controllers, directives, and services to implement key functionalities for customer account summary. Used Angular 8 Http services for asynchronous validations for the input fields of the forms with the data existed in the database. Took part in setting up the routing configuration using Angular 8 router for various views and sub views. Created sessions for Login user and setting session timed out for the entire UI application. Strong understanding on client-side application and very good at attaining the architectural design for MVC using directives, promises and pipes. Worked simultaneously in both production and development teams and took part in designing and developing dynamic web pages using HTML5, Bootstrap, CSS3-SASS, JavaScript, jQuery, Angular 8 for single page applications. Worked on customizing the Bootstrap classes using CSS preprocesses like SASS. Worked on the enhancements of the navigation and menu button into responsive features using Bootstrap Nav-default class and Collapse button. For easy debugging used testing frameworks Jasmine and Karma and followed the TDD to develop the entire application. Tested Angular 8 with Jasmine unit testing framework and karma and jasmine as test runner. Used the fundamentals of JAVA 8 like parallel streams and filters through lambda expressions to handle the searching. Dependency Injection for managing the components and bean life cycle is achieved in the application using Spring IOC. Used Apache Kafka for reliable and asynchronous exchange of vital information between multiple business applications. Used Apache Kafka (Message Queues) for reliable and asynchronous exchange of vital information between multiple business applications. Used Spring Data JPA (Java Persistence API) framework and JPA Specification criteria builder to work with dynamic queries in java. Have written Aggregation Queries using Aggregation framework to fetch the json data from theMongoDB Used New Relic Synthetics for automated, scriptable tools to monitor websites, critical business transactions, and API endpoints. Used SonarQube for code to detect bugs, code smells, and security vulnerabilities and Developed quality code adhering to coding Standards and best practices. Used flyway scripts for Database table creation, manipulation, Repair, and validation. Used Layer 7 API Gateway as security gateway for authentication purpose. Used Logstash for searching and server-side data processing pipeline to ingest data from multiple sources simultaneously. Authenticating Users and to provide the security to RESTful web services using OAUTH 2.0. Employed the Single Sign On (SSO) authentication using SiteMinder for login to the application. Splunk for centralized logging and created custom dashboards for viewing server requests & responses for Microservices. Configured Splunk Alerts for any failures on server requests. Used Kubernetes to orchestrate the deployment, scaling and management of Docker Containers. Deploying the applications using Docker container services and building continuous integration (CI) and continuous deployment (CD) pipeline using Jenkins with GitHub. Worked on a project which handles searching algorithms using Elastic Search which is mainly used for pulling analytics related information using the keywords entered by the end user. Implemented Kibana for centralized logging and monitoring that builds on Elasticsearch of the application data for analytics and visualization of the user's login. Used AWS cloud watch for creating billing alarms, Encrypted root device volumes upon creation of EC2 instances and used S3 buckets. Experienced Lead Developer role for 3 Sprints to migrate UI of the application from Angular 6 toAngular 8. Good at monitoring the efficiency and effectiveness of tasks by team members. Excellent oral and written communication skills.Environment: HTML5, TypeScript, CSS3-SASS, JSON, AJAX, Bootstrap 4.0, Angular 6, Angular 8, jQuery, Transpiler, Jasmine and Karma, Java 8, Maven, Spring Data JPA, Spring Boot, Spring IOC, Apache Kafka, Spring Cloud (Netflix OSS), Logstash, Cloud Watch, EC2, S3, Kibana, Elasticsearch, OAUTH 2.0, SonarQube, Swagger, GitHub, Jenkins, Splunk, Jersey, Kubernetes, ELK.Client: Fresenius medical June2019 Dec2019 Location: Lexington, MassachusettsTitle: Full stack Java DeveloperDescription: Fresenius Medical provides kidney dialysis services and the company primarily treat end-stage renal disease. Worked in the clinical solutions team which manages the hospital and health systems and developing services that expose Fresenius core domains to the third- party clients.Responsibilities: Involved in developing user interface with HTML5, CSS3, SAAS, JSON, AJAX, React JS, Type script, Es6and on server-side Technology with Node JS. Implemented responsive web design using Bootstrap. Used Bootstrap front-end framework for faster and easier web development. Design website and maintain the website content up to date. Create, edit, and maintain sites implementing responsive design & themes using front-end development frameworks including Bootstrap. Experienced in React JS and working with Redux architecture. Developed Web pages from scratch using JavaScript, HTML5, CSS3(using LESS) and React Js. Involved in creating a reusable component using React JS for DOM manipulation. Developed user interface by using the React JS, Flux for SPA development. Developed single page applications using React Redux architecture, ES6, web pack and grunt. Designed modular and reusable React components using Redux Architecture and Material- UI. Worked on ReactJS Virtual Dom and React views, rendering using components which contains additional components called custom HTML tags. Implemented various screens for the front end using React.js and used various predefined components from NPM (Node Package Manager) and redux library. Worked in using React JS components, Forms, Events, Keys, Router, Animations, and Reduxconcept. Responsible for React UI and architecture. Building components library, including Tree, Slide-View, and Table Grid. Used Redux Thunk Middleware, in application to retrieve data from Back-End and to also performRESTFUL services. Performed Unit testing on applications using tools like chai, mocha, and enzyme within Test-Driven Development (TDD). Knowledge on unit testing and integration testing frameworks and libraries like Mocha and Chai. Used OAuth 2 which is a lightweight authentication framework with a central authorization server and generates an access token to access a protected resource on a resource server. OAuth 2 simplifies all the communications between the client, server, and content provider. Designed and implemented Kafka producer application to produce near real time using Apache KafkaConnect framework. Used change data Capture (CDC) software, Oracle Golden Gate(OGG) real-time data replication tool as the source for Apache Kafka producer. Implemented different data formatter capabilities and publishing to multiple Kafka topics. Golden Gate Kafka adapter are used to write data to Kafka Clusters. Implemented Kafka high level Consumers to get data from Kafka partitions and move into HDFS. Used Kafka HDFS Connector to export data from Kafka topics to HDFS files in a variety of formats and integrates with Apache Hive to make data immediately available for querying with HiveQL. Used Active MQ, IBM MQ for reliable and asynchronous exchange of vital information between multiple business applications. Used Elasticsearch as a secondary store to store a copy of data produced in Oracle take advantage of its raid search and Analytics Capabilities. Used Kibana for data discovery and analysis as well as a graph tool. Integrated apache Kafka with Elasticsearch using Kafka Elasticsearch connector to stream allmessages from different partitions and topics into Elasticsearch for search and analysis purpose. Designed and developed Spring Boot adapter applications using rest API. Deployed Docker contained Spring boot micro services into Spring EC2 container service using AWS admin console. Developed RESTful service interface using Spring Boot to the underlying Agent Services API and Implemented RESTful web services. Used Spring Boot which removes boilerplate configuration and makes application faster. Developed some standalone Micro services using Spring Boot micro service architectural patterns. Used spring Boot properties like actuators and health checkers to enhance micro service implementations. Used date-format and moment packages in Node.JS to save the timestamp in database converting into GMT. Involved in Test Driven Development by writing unit test cases. Used Nodejs to structure JavaScript code to build endpoints. Documented Spring RESTful APIs with Swagger to help customers better understand APIs. Developed Web API using Node JS and hosted on multiple load balanced API instances. Implemented the multi datacenter cluster consisting of Cassandra rings. Unstructured data was handled using Cassandra DB and used Cassandra Connector for connection. Composed and executed Cassandra DB scripts and queries to fetch and test data from NoSQL databases. Used Git for version control and Jenkins for continuous integration and deploymentEnvironment: HTML5, CSS3, LESS, JSON, AJAX, Bootstrap, React JS, Redux Thunk, Maven, Mocha, Chai, Webpack, Spring Boot, Spring IOC, OAuth 2, Apache Kafka, NoSQL, Swagger, GIT, Jenkins, Cassandra DB.Client: Radial, Inc October2018 May2019Location: King of Prussia, PATitle: Full stack React Js DeveloperDescription: Radial, Inc. is an American multinational e-commerce company specializing in order management, payment processing, order routing, fulfillment, and analytics services for prominent clients like GameStop, DSW, Shoe Carnival, and Destination XL. I worked on building distributed and scalable solutions for Pricing and Promotions.Responsibilities: synchronized Web Socket messages with React and Redux to reliably maintain real-time state across users. Utilized Web Sockets with React to maintain consistent and real-time state across users. Worked on React JS Virtual Dom and React views, rendering using components which contains additional components called custom HTML tags. Implemented various screens for the front end using React.js and used various predefinedcomponents from NPM (Node Package Manager) and redux library. Worked in using React JS components, Forms, Events, Keys, Router, Animations, and Flux concept. Responsible for React UI and architecture. Building components library, including Tree, Slide-View, and Table Grid. Used React JS for templating for faster compilation and developing reusable components. In Phase Two, worked closely with the Back-End team to display data using the Custom Components, library Components, and Redux. Synchronized Web Socket messages with React and Redux to reliably maintain real-time state across users. Applied redux middleware using redux saga. Implemented Snapshot testing using Jest for React project along with Enzyme test utilities. Used Webpack as module bundler and Babel for compiling and build component based Reactarchitecture and SASS preprocessing for configuring tasks. Designed and developed Microservices using REST framework and Spring Boot. Created RFP Microservice to provide RESTful API utilizing Spring Boot with Microservices. Developed payment system module using Spring Microservices on Pivotal Cloud Foundry after successful execution of the main business model. Built microservices with Spring Boot to serve multiple applications across the organization. The data is provided & consumed in JSON. Implemented PL/SQL queries and used Oracle stored procedures. Written Stored Procedures using PL/SQL and functions and procedure for common utilities usingOracle11g and MySQL. Used Maven to build the application and deployed on Apache Tomcat Server. Implemented the logging mechanism using Log4J framework and used GIT BITBUCKET version control to track and maintain different versions of the application.Environment: HTML5, CSS3, SAAS, JSON, AJAX, Bootstrap, React JS, redux saga, Maven, Spring Boot, Spring IOC, OAuth 2, Grunt, Babel, Webpack, Docker, Apache Kafka, Pivotal Cloud Foundry, API Gateway, JWT, RESTful, JAX-RS, Redux, Swagger, GIT, Jenkins, Apache Tomcat, Oracle, MySQL, Mocha, Chai.Client: 3i Infotech Ltd July2015August2018Location: Hyderabad, India Title: FrontEnd DeveloperDescription: 3i Infotech provides software products, IT services and business process outsourcing for a variety of industries including insurance, banking, capital markets, mutual funds and asset management, wealth management, government, manufacturing and retail.Responsibilities: Created user interface views using Spring MVC and AngularJS as part of a Service Oriented Architecture (SOA) application. Implemented AngularJS to build a single-page application (SPA), enhancing user experience with responsive design and interactive features. Utilized HTML5, CSS, jQuery, and Ajax for client-side validations and interactive web page development. Employed Backbone.JS, Handlebar JS, and Ember JS for creating responsive UI modules and managing data using CRUD operations and pagination. Used Grunt for minification of JavaScript files, compilation of SCSS into CSS, and monitoring application performance. Leveraged jQuery UI plugins for features such as Draggable, Resizable, Autocomplete, and AJAX. Extensively worked with Java Collections (e.g., LinkedList, Queues, HashSet) and Java Collections API for handling data between business layers and the front end. Implemented multithreading for high performance and managing multiple requests efficiently. Developed RESTful services using the Spring REST framework and Jersey. Created SOAP web services with JAX-WS, integrating persistence using Hibernate and JPA framework. Managed data operations with DB2, writing complex PL/SQL procedures and queries. Implemented Hibernate for ORM mappings, including criteria queries, and used Hibernate Template extensively with HQL, Named Parameters, and other interfaces. Configured multiple data sources using Hibernate Session Manager. Applied Spring IOC for managing bean lifecycle and session information. Implemented internationalization using Spring MVC Interceptors, Spring core modules, and AOP facets for logging and transactional management. |
