Raj Kumar

Raj Kumar Email and Phone Number

Senior Frontend Developer @ CVS Health
Irving, TX, US
Raj Kumar's Location
Irving, Texas, United States, United States
Raj Kumar's Contact Details

Raj Kumar personal email

n/a
About Raj Kumar

Client, who is actively looking for Front end Developer/web Developer/React Developer/ JavaScript Developer (Freelancer). I am happy to work with you. Below are my skill sets on Front end Developer.• Hands on experience in building, testing, developing, debugging user interfaces and web applications.• Extensive experience in technologies, frameworks, libraries, and languages including, HTML5, CSS3,LESS, SASS, JavaScript, ES6, JSX, TypeScript, Bootstrap, Chart JS, Node JS, Heroku, React JS, Redux, Gulp, Jest, and Enzyme to build responsive websites, single page applications, data visualization, mapping, and unit testing applications and environments.• Extensive experience writing React component in both classes functional, exporting their content as class based component and functional based.• Extensive understanding of W3C standards and its implementation in web design, including the building blocks of the internet, which are HTTP, TCP, IP, SSL, Proxies, and its effects on the request-response flow of modern day web applications.• Extensive experience on working third party libraries and material-ui, tail-wind css, Mapbox.js etc..• Extensive experience on working with Node Js application to create the Rest api, and to authenticate the rest API.• Hands on experience on working with nest.Js to create the Microservices rest api in Javascript.• Expertise in reducing browser application loading times(front-end latency) by reducing HTTP requests with tools such as Gulp to create builds, optimizing images, using proper cache control with future-expires headers, minifying JavaScript and CSS files, creating proper HTTP response headers, using CDN servers in appropriate locations worldwide, and enabling compression.• Extensive experience using Redux to handle data inside of a React app using container methods to connect components to the store.• Extensive experience using and differentiating amongst libraries such Redux Thunk, Redux Sagas, and Redux Promise middleware to handle AJAX requests in a React-Redux application.• Extensive experience on working with Mendix(Low-code-platform) and involving in creating the React widgets to beak the out-of-the box functionality in Mendix.

Raj Kumar's Current Company Details
CVS Health

Cvs Health

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Senior Frontend Developer
Irving, TX, US
Raj Kumar Work Experience Details
  • Cvs Health
    Senior Frontend Developer
    Cvs Health
    Irving, Tx, Us
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  • Cvs Pharmacy
    Senior Frontend Developer
    Cvs Pharmacy Aug 2022 - Present
    Woonsocket, Rhode Island, Us
    Developed and migrated the CVS.COM Profile page from Legacy to Modern React/next js application.Involved in developing re-usable stencil React component for CVS.COM DomainIntegrated React application with Redux Saga for state management.Involved in creating the test cases for the handler’s node handler and maintained 80 percent code coverage.I used the Circle CI pipeline for React Application CICD.User Harness platform to deploy React application and Argo CD to Monitor the traffic a POD I also Worked on CVS Caremark and Specialty Payments Modules to Migrate from JSP pages to Angular Pages.Developed Controllers, HTML templates, and service classes for Angular applications.For PROD Support, the ticketing system worked on the Mendix application.Developed Mendix UI screens that support creating a PROD support ticket and assign to the right group or team.Involved in writing the microflows, creating the layouts, snippets, Nanoflows, and import-export mapping.Developing the Custom React Components for the Mendix application to achieve OOB functionality.Involved in working with Mendix Native application using React widgets.Utilized git bucket as the source control manager.Involved and used TDD (Test-driven development) architecture.Develop experience API on top of GraphQL API and integrate it with Angular and React Applications.Used Rally for story tracking.Followed 2 weeks sprint and Demo with high-level business.
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  • Lowe'S Companies, Inc.
    Lead Front-End Developer
    Lowe'S Companies, Inc. Nov 2019 - Jul 2022
    Mooresville, Nc, Us
    Involved in working with existing application using JavaScript, jQuery, CSS, handlebars, Hapi.js, Node.jsUsed Hapi.js framework to handle backend service callsUsed Node.js framework to create and handle frontend routes to handle view bases routing.Involved in implementing the jwt.io session auth schema for the existing Application.Involved in creating the node handler to invoke the backend services and render the view.Used handlebars to create the view templets.Involved in creating the test cases to handler’s node handler and maintained the 100 percent code coverage.Used jQuery to handle the client-side validations and trigger the event.Involving in implementing the enhancements for the exiting application.Implemented frontend ajax call to backend to fetch data and render the application based on response.Handled all the Error Handling Scenarios in Application and Errors from APITested WSC web services using Postman to verify functionality.Worked thoroughly with JSON objects to perform RESTful operations and created user validation forms to verify valid data is being passed to the database.Create the reusable handlebars Components based on mobile and desktop view.Migrating Node application into React application using React, Redux-saga, Scaffold, HTML, CSS.Working on Jenkins for CICD pipeline.Worked on Docker hub to create an image file to deploy into containers.Used Axio’s for handling REST Api’s from client side. Involved in various stages of Software Development Life Cycle like Application Design, Development, and Debugging.Working and involved in various development lifecycle methods of Mendix Application.Developing Low code platform Application using MendixUtilized git bucket as the source control Manager.Involved and used TDD (Test-driven development) architecture.
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  • Verizon
    Sr.React Developer
    Verizon Jul 2019 - Nov 2019
    Basking Ridge, Nj, Us
    Migrating existing Web application and tele store Application using React, JavaScript, CSS, Redux-Saga.Set up base ReactJS structure with the Create-React-App package.Implemented Ajax calls for triggering data from API's using Redux Saga.Utilized React.js UI-Route for creating Single Page Application, which supports nested, and multiple views.Worked on Redux with React Native to handle large chunks of data for the better performance.Create the reusable react Component and published in antifactory.Worked on React-loadable to create a chuck files to make increase the performance.Used ES6 syntax and upgrading the react native apps regularly to make the stable version of apps.Handled all the Error Handling Scenarios in Application and Errors from API.Implemented page routing with the use of React-Router to create a Single Page Application (SPA) for quick, responsive pages and dynamic navigation through the menu.Worked on AEM to deploy React components.Worked on providing and consuming information from Web API.Responsible for design and development of various components such as tab bars, map view, image picker, document picker, push notifications, sign-in/out features, profile management and navigation using react native.Worked thoroughly with JSON objects to perform RESTful operations and created user validation forms to verify valid data is being passed to the database.Implemented the use of REDUX, ACTIONS, STATE, for state management to store and maintain Vendor and Business Group data.Implemented Custom directives and utilize isolated scope to increase code reusability and factory and services for dependency injection.Utilized GitLab as the source control Manager.Secured session validation with the use of JSON Web tokens.Involved in implementing and creating the unit test cases to using React-JestInvolved in various stages of Software Development Life Cycle like Application Design, Development, and Debugging
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  • Mr. Cooper
    Front End Developer/ React Js Developer
    Mr. Cooper Feb 2019 - Jul 2019
    Dallas, Tx, Us
    Involved in designing in web pages using HTML 5, CSS3, JavaScript, React.js, Redux, React-Bootstrap, Node.js, express.js, Mongo DB.Worked in designing the CSS templates for use in all pages on the website working with CSS Background, positioning, text, border, margin, padding, and table.Developed user interface by using the React JS, Flux/Redux for SPA development.Used Martial-UI library to develop the React components.Implemented back-end Web API with the use of MongoDB, Express JS, and NodeJS and established connectivity with the use of Axios.Involved and used TDD (Test-driven development) architecture.Worked in developing the unit test cases from components, controllers, Redux, Actions using JEST and Enzyme.Worked in developing the e2e test cases for the applications using Protector.Used VSTS for CICD (Continuous integration, automated testing and continuous deployment)Involved in working with backend, developed the Rest Controller classes, JPA classes using java spring boots and exposed the API.Wrote the Business logic for Data Base Crud operations.Involved in migrating the traditional login process to SSO (single sign on) using Microsoft Azure Cloud.Integrated the React application with Azure cloud using Node.js, Express.js, Passport.js, middleware proxy libraries to handle the API Call from the backend.
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  • Neiman Marcus
    Front End Developer/ React Js Developer
    Neiman Marcus 2018 - Feb 2019
    Dallas, Texas, Us
    Designed dynamic, cross-platform pages using HTML, CSS, JavaScript and with the addition of Bootstrap for a responsive menu navigation interface.Developed MPOS application using React.js and Cordova.Involved in creating the appx packages of React application and deployed in Windows Tablet.Created front-end using HTML, CSS and JavaScript jQuery, and React.js.Set up base ReactJS structure with the Create-React-App package.mplemented Ajax calls for triggering data from API's using Redux thunk.Utilized React.js UI-Route for creating Single Page Application, which supports nested, and multiple views.Handled all the Error Handling Scenarios in Application and Errors from API.Built Web pages that are more user-interactive using jQuery plugins for Drag and Drop, AutoComplete, AJAX, JSON and JavaScript.Developed code to call the web service/APIs to fetch the data and populate on the UI using JQUERY/AJAX.Responsible for design and development of various components such as tab bars, map view, image picker, document picker, push notifications, sign-in/out features, profile management and navigation using react native.Implemented back-end Web API with the use of MongoDB, Express's, and NodeJS and Established connectivity with the use of Axios.Worked thoroughly with JSON objects to perform RESTful operations and created user validation forms to verify valid data is being passed to the database.Stored and maintained Test Pass Results in SQL Server database. Created base tables, indexes, and stored procedures in SQL Server.Implemented the use of REDUX, ACTIONS, STATE, for state management to store and maintain Vendor and Business Group data.Utilized SVN as the source control Manager.Tested NodeJS/Express based Web API using Postman to verify functionality.Involved in various stages of Software Development Life Cycle like Application Design, Development, and Debugging
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  • Salesforce
    Front End Developer/ React Js Developer
    Salesforce Nov 2016 - Jan 2018
    San Francisco, California, Us
    Developed React based custom live app in quip document. 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 Flux concept.Responsible for React UI and architecture. Building components library, including Tree, Slide-View, and Table Grid.Integrated quip live app to sales force org using REST Web services.Used React JS for template for faster compilation and developing reusable components.Developed customer facing software using java Script / j Query, High charts and HTML.Experience in Restful web services to integrate between Server side to Client SideUtilized React.js UI-Route for creating Single Page Application, which supports nested, and multiple views.Implemented the use of REDUX, ACTIONS, STATE, for state management to store and maintain Vendor and Business Group data.
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  • U.S. Bank
    Front End Developer/ React Js Developer
    U.S. Bank Feb 2015 - Nov 2016
    Minneapolis, Mn, Us
    Designed the front-end applications, user interactive (UI) web pages using web technologies like HTML, and CSS, JavaScript, React Js and Ajax, ECMA6Used React Js in components like JSX, creating React components.Developed user interface by using the React Js, Thunk for SPA development.Implemented the Drag and Drop functionality using React -DraggableExtensively used SASS (Syntactically awesome style sheets) while styling with CSS3.Used web-based GIT repository manager with issue tracking features.Experienced in implementing CRUD database operation on such as Sql.Experience in RESTful web services to integrate between Server side to Client Side.Implemented the use of REDUX, ACTIONS, STATE, for state management to store and maintain Vendor and Business Group data.
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Raj Kumar Education Details

  • Jntuh College Of Engineering Hyderabad
    Jntuh College Of Engineering Hyderabad

Frequently Asked Questions about Raj Kumar

What company does Raj Kumar work for?

Raj Kumar works for Cvs Health

What is Raj Kumar's role at the current company?

Raj Kumar's current role is Senior Frontend Developer.

What is Raj Kumar's email address?

Raj Kumar's email address is ra****@****wes.com

What schools did Raj Kumar attend?

Raj Kumar attended Jntuh College Of Engineering Hyderabad.

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