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Gayathri V - Java Developer

[email protected]

Location: Austin, Texas, USA

Relocation: Yes

Visa: H4EAD

Gayathri E Sr. Java Full Stack developer [email protected]|707-590-9664 PROFESSIONAL SUMMARY: Having Around 8+ years of experience in developing User Interface (UI) applications and professional web applications using JavaScript, Node.js, React JS, Angular JS, Angular 8, JSP, XUL, HTML5 /DHTML, DOM, XHTML, jQuery, VueJs, CSS3, and Ajax. Skilled in Graphical User Interface designing (GUI), Web application development, Human Computer Interaction factors, usability, flash presentations, flash mock-ups, creating -illustrations, content navigation, formatting web pages, web typography and implementing CSS. Experienced in analyzing the performance bottle neck of web apps. Expert in HTML5/CSS3 development and have experience in Backbone.js, Require.js, Node.js, Angular JS, Ext.js, Responsive design. Extensive experience working in Spring framework, Strut s framework, Object Relational Mapping Hibernate framework and web services Experience in designing UI patterns and UI applications with the help of Adobe products like Adobe Creative Suite, Adobe Dreamweaver CS3, Adobe Photoshop, and Adobe Illustrator CS3. Extensive experience in web design using CSS3, D3js, Bootstrap, Adobe Illustrator, Adobe Photoshop, Dreamweaver. Used Angular JS framework for building web-apps and is highly efficient in integrating with Restful services. Worked on Bootstrap CSS framework for Responsive Web Design. Good experience in JavaScript MVC frameworks Backbone.js, Angular JS, Angular 6/8 and React JS. Used Angular JS in developing single page applications. Experienced in using Front End editors like Espresso, Text Mate, Sublime Text2 and Microsoft Expression Web. Proficient in building Web User Interface (UI) using HTML5, DHTML, table less XHTML, CSS3 and Java Script that follows W3C Web Standards and are browser compatible Experience with Infrastructure as a Code IAC service by creating AWS Cloud Formation stacks Hands on experience in Babel and good exposure using Webpack, NPM, YARN and some supporting plugins like Lodash, Airbnb and Axios etc Strong experienced and utilized create-react-app to launch product to stay update with the most current webpack and babel build configurations. Extensive experience in creating style guides, best practices and setting UI standards for enterprise/consumer applications. Worked on responsive design and developed a single ISOMORPHIC responsive website that could be served to desktop, Tablets and mobile users using React JS Involved in deploying applications in AWS cloud environment using Jenkins, Docker, Git and Nginx Hands on experience on using version controls like GIT, GitHub, Docker, SVN for enterprise content management system and AEM and project management tools like JIRA. Hands on experience Configuring the Docker containers and creating Docker files for various environments and worked on Kubernetes environment. Hands on experience using JavaScript and UI for parsing XML and XSLT. Having strong experience in SEO. Experience in applying the latest software development approaches including MVC, event driven applications using AJAX, Object Oriented (OO) JavaScript, JSON and XML. Involved in developing RESTFUL web services using NodeJS, TypeScript, NestJS and Angular JS Designed various multiple styles with colors, fonts, backgrounds in CSS3 with CSS preprocessor SASS. Hands on experience in UI development and Front-end skills with pixel-perfect implementation in several projects Good mix of front-end user interface design and back-end control logic development. Expert knowledge in Flex, Photoshop, Illustrator, Macromedia Dreamweaver and Flash in a PC environment. Well versed in concept building, information design, visualization, testing web-based applications. Knowledge on various terminologies like Software Developmental Life Cycle (SDLC) Experience in working with third party web services APIs and Web Services using AJAX and JQUERY. Having good knowledge and working experience with programming languages like Kotlin Working knowledge on JavaScript library JSON and XML Technologies. Strong experience of server-side technology NodeJS and its integration tools like YARN, NPM and webpack. Expert knowledge in Flex, Photoshop, Illustrator, Macromedia Dreamweaver and Flash in a PC environment. Extensive experience in writing unit tests using Cypress, jasmine, karma, and enzyme. Experience in making Responsive web pages using Twitter Bootstrap and media queries. Implemented Presentation layer using CSS Framework, backbone, Angular JS, Wire-framing, HTML5. Proficient in developing web page quickly and effectively using: HTML5, CSS3, JavaScript. In-Depth knowledge/Experience of Web 2.0, JavaScript, jQuery, CSS3, W3C Standards. Expertise in debugging and troubleshooting existing code. Performed unit testing using JASMINE test cases. Hands on experience on working on multiple components for different course element players and some quiz using Vue.js and Vuex. Experience using AJAX to create interactive web applications, mainly focusing at increasing performance. Involved in daily SCRUM meetings to keep track of the ongoing project status and issues. Excellent problem identification skills through JUnit, Log4j. Have excellent analytical, problem solving, communication and interpersonal skills, with an ability to interact with individuals at all levels and can work as a part of a team as well as independently. Used JIRA for bug tracking and issue tracking. Experienced with implementing different features of Bootstrap. Good knowledge in Responsive Design. Hands on experience with Web Responsive using Bootstrap s templates. TECHNICAL SKILLS: Programming Languages C, C++, Java SDK 1.4/1.5, Swift, Kotlin Web Technologies HTML, HTML5, XML, CSS, CSS3, JavaScript, GraphQL, jQuery, AJAX, JSP, DOM, DOJO, SASS, Webpack, YARN, AWS,0 NPM, LESS Responsive Web Design. IDE, HTML Editor WebStorm, Notepad++, Adobe Dreamweaver, Eclipse, WebStorm, NetBeans, RAD. JavaScript Libraries ExtJS,2.0/1.0, Node.js, React JS, Vue.JS, Angular JS 6/8, NestJS and Express.js Scripting Languages HTML5, CSS3, JavaScript, AJAX, Shell script, jQuery. Database Skills SQL, PL/SQL, Oracle, JDBC Protocols TCP/IP, HTTP, FTP and SOAP. PROFESSIONAL EXPERIENCE: Visa Inc Nov 2022 Till Date Sr Full Stack developer /JavaScript developer Responsibilities: Coordinated with business analysts, project managers to analyze new proposed ideas Requirements, designed the integrated tool, developed and implemented all the modules. Involved designing in web pages using HTML5, CSS3, JavaScript, Bootstrap, React JS, Redux. Responsible to Style, look and feel of the web page with LESS that extends CSS with dynamic behavior such as variable, mixing, operations and functions. Worked on React JS Virtual Dom and React views, rendering using components which contains additional components called custom HTML tags. Implemented React container and presentational components (as Stateless and Functional components when applicable). Implemented and tested the enterprise application with jQuery and Spring MVC. View rendering on client-side is handled by Virtual DOM using React JS in-memory Data structure Cache. Utilized React-Redux libraries for state management to maintain consistency across different environments. Worked on React JS virtual DOM for updating DOM manipulations. Worked on orchestration and deployment with using Kubernetes and scaling and management Docker containers Extensively worked in writing minimal code in building re-usable forms with their validations using React with Redux Architecture. Maintained and managed JavaScript files and compiling SAAS files to CSS files Using Webpack build tool. Implemented various screens for the front end using React JS and used various predefined components from NPM (Node Package Manager) and redux library. Hands on experience on using version controls like GIT, GitHub, Docker, SVN for enterprise content management system and AEM and project management tools like JIRA. Worked in using React JS components, Forms, Events, Keys, Router, Animations, and redux. Worked on multiple components for different course element players and some quiz using Vue.js and Vuex. Added Excel-Builder to download the Tabular data in Excel format using React. Responsible for React UI and architecture. Building components library, including Tree, Slide View, and Table Grid. Implemented stable React components and stand-alone functions to be added to any future pages. Used Axios AJAX to request data from backend based on user interface input and post updated data back to backend. Utilized create-react-app to launch product to stay update with the most current webpack and babel build configurations. Worked in version control tools like GIT and JavaScript manager including NPM and YARN Interacted with backend team and developed Java API with the Amazon SQS, SNS and created Docker machine in EC2 and created docker containers in Docker run machine in EC2 Experience in Integration of Amazon Web Services AWS with other applications infrastructure. Worked on application performance and responsive using RX Java and Kotlin Designed and developed NodeJS application components through ExpressJS and NestJS frameworks Experience in building isomorphic applications using React.js and Redux with GraphQL on server side. Have done a POC to measure effort in migrating Angular 1 to Angular 2.0 Developed an advanced Facet search single page application using Angular JS with complete UI. Involved in creating SPA (Single Page Applications) using Angular JS updated the application with new features of Angular 8. Worked with batch framework made heavy use of XML/XSL transforms. Worked with Java libraries to access AWS facilities as Simple Storage service, Simple queue, and Simple DB. Hosted and tested the application on AWS servers before publishing it in an actual production environment. Involved in developing XML Transformations using XSL, XSLT, and XPATH for XML to HTML transformation. Worked on the Kotlin for the building backend components and API resources experience working on JSON API for creating multiple APIs Implemented load - balancing with NGINX to allow dozens of Node JS instances to handle thousands of concurrent users. Produced microservices API using Express.js to provide centralized logic and reusable data retrieval build on top of Node.js. Used Express JS which is fast, assertive, essential and moderate web framework of Node.js that helps manage a server and routes. Worked at server-side scripting with Events and made asynchronous calls for concurrency using Node.js. Implemented Node.js Utility Modules, Buffers, streams, Event loops for developing the application at server side. Used Node.js to run Grunt tasks and compile, minify, combat and build the project properly. Wrote several test cases for all the flows which were developed using cypress to maintain code coverage. Experienced in implementing website by pixel perfect with Figma design and dynamic animations using CSS. Worked on using VueJs events distribution and parent chain for parent-child component communication Wrote build and deployment scripts using Gradle and CVS for version control. Environment: Java11, Spring, React JS, NestJS, ExpressJS, Redux, GraphQL, Vue.Js, Vuex, Angular 8, nginx, AWS, HTML5, CSS3, Docker, Pixel perfect, XML, XSL/XSLT Jenkins, Kubernetes, JavaScript, Bootstrap, Kotlin, Babel, LESS, AEM, Webpack, GIT, Cypress, NPM, YARN, Node JS, Express, Grunt, Bower, NPM Capgemini Jul 2021 Oct 2022 Sr Full Stack developer / JavaScript developer Responsibilities: Developed a front-end CVS Internal web application called prescriber page under specialty by using Angular 6/8, Prime NG, HTML5 and CSS3. Used NPM for installing required node modules and other published Angular NPM modules. Worked Extensively with Angular CLI for creating components, Services, pipes, Directives. Updated the application with new features of Angular 8. Developed various screens for the front end using React JS and used various predefined components from NPM (Node Package Manager) and Redux library Migrate existing Monolithic architecture to full-fledged Microservices using Spring Boot and Spring Cloud in multiple stages Developed applications built in Angular 6 Framework with Typescript and used core components like Components, Services, and Modules from Ng and Rx to build dynamic and robust UI pages. Have developed custom reusable Angular 4.0 components. Deployed and host the application on Amazon web service (AWS). Worked extensively on Angular4/5 framework and had experience working with Ng-Modules, components, Observables, ng-router, AUTH-guards Worked on component bases render using Webpack for creating prototypes using Webpack blunder and Babel Transpiler Integrated the Prime Ng Library into this project and used Turbo Table component Used @Input and @Output to communicate between parent component and child component. Experience in using directives like ngIf, ngFor, ngStyle etc Created TypeScript reusable components and services to consume REST API's using Component based architecture provided by Angular 6. Implemented Pipes to filter the data before displaying it to user. Good experience on working with Amazon Web Services like EC2, S3, Amazon Simple DB, Amazon RDS, Amazon Elastic Load Balancing, Amazon SQS, AWS Identity and access management, AWS Cloud Watch, Amazon EBS and Amazon Cloud Front. Implemented HTTP requests using RxJS Observable library to handle multiple values over time. Implemented best Search engine optimization (SEO) techniques for webpages designing to validate https request and getting response of Rest API using Postman which are generated by the Node.js and Express.Js Experience in responsive code UI for desktop, tablet and mobile devices to pixel-perfect specifications Implemented Guards like, canActivate CanDeactivate when user tries to navigate from one route to a different route. Worked on version control system called SVN and comfortable with branching, Tagging and merging. Implemented JSON parsing for data handling on different application. Used various Angular custom directives and developed reusable components and templates that can be re-used at various places in the application. Designed NodeJS application components through ExpressJS and NestJS frameworks Worked with Java libraries to access AWS facilities as Simple Storage service, Simple queue service, and Dynamo DB. Involved and worked on applications and developer them with XML, JSON, XSL (PHP, Django, Python) Worked in Configurating the Docker containers and creating Docker files for various environments and worked on Kubernetes environment. Used JavaScript and UI for parsing XML and XSLT. Worked in deploying applications in AWS cloud environment using Jenkins, Docker, Git and Nginx Designed dynamic and browser compatible pages using HTML, CSS3, jQuery and Vue.Js Worked on server-side technology NodeJS and its integration tools like YARN, NPM and webpack. Used ngModel to achieve two-way binding and using ngIf to display the error messages Worked on webpack as module builder for build workflow for Web Application and webpack-dev-server as server. Used webpack to bundle Typescript and JavaScript modules and used Scaffolding tools like Yeoman to create the skeleton of the web application. Utilize package mangers like Bower and NPM. Written application-level code to interact with APIs, Web Services using AJAX, JSON and XML. Used TSLint tool that checks Typescript code for readability, maintainability, and functional errors. Experience with Agile and test-driven development, continuous integration and version control via Git. Worked with RESTful-based web services in XML and JSON. Worked on Git Version control and Agile methodologies Involved and implemented an express-GraphQL library to mount a GraphQL API server on the user-configured HTTP endpoint. Experienced on flow applications developed for client-side features and functionality using ReactJs and in ES with the help of TypeScript and Babel Worked on CSS preprocessor tools like SASS (Compass). Handling cross browser/platform compatibility issues on all major browsers like IE, Firefox and Chrome. Used package managers like Npm to manage dependencies. Used GIT as the Version control system and integrated Docker image creation, unit test and functional test to GIT to make sure as all tests passed for every functionality before release to environments. Used Gulp as a build tool for post development activities like minification, concatenation and etc. Installed the application on AWS EC2 instances and configured the storage on S3 buckets Understanding the concepts of continuous integration using tool Jenkins and fixing the bugs quickly encountered in continuous builds. Implemented Angular Router to enable navigation from one view to the next as agent performs application tasks. Setup Cypress test cases for UNIT and Functional Testing of JavaScript. Attending the daily standups as part of Agile and communicating assigned user story updates and discussing any issues with the team upfront. Environment: Java, Spring, HTML/HTML5, CSS/CSS3, AWS, Angular 6, SEO, Node.js, GraphQL, GraphQL API, Pixel perfect, Express JS, NestJS, Vue.js, Bootstrap, XML, XSL/XSLT, Cypress, Jasmine, Karma, Nginx, YARN, Babel, Webpack, Underscore, JSHint, PHP, Python, NPM, SASS, Gulp, Agile methodology, SVN, Docker, Kubernetes, Jenkins, GIT, TypeScript. OpenText, Alpharetta, GA Feb 2020 June 2021 Sr Full Stack developer/Angular developer Responsibilities: Done the design, development and testing phases of Software Development using AGILE methodology and Test- Driven Development (TDD). Designed and Developed End to End customer self service module using annotation-based Spring MVC, Hibernate, and jQuery. Implemented Router Module of Angular 5 to make the whole project a Single Page Application and add routers according to the requirements. Used Angular-CLI for initializing and for project setup with scaffolding features. Enhanced application performance by Angular 5 Component based development in view of future Angular framework transitions. Worked with Angular2 directives, components, pipes, Injectables. Used Selectors, Events, Ajax and DOM manipulation using components in Angular 2.0 for updating content on DOM nodes. Created SPA structure with multiple modules using Angular 2.0 Type Script search facility using RXJS Designed and developed the agent portal using framework Angular 2.0 along with HTML5, CSS3, and TypeScript. Implemented error handling and strictly typed coding practices. Used Ng2-grid angular module for responsive data. Implemented Angular Router to enable navigation from one component to another Have developed custom reusable Angular 2.0 components. Used JavaScript DOM manipulation and JavaScript event to get the data from HBASE and render image in UI. Configured and managed AWS Services using Command Line Interface (CLI) tool Moved existing Angular JS controllers and services to Angular 2 components for more responsive and less dependency. Have done a POC to measure effort in migrating Angular 1 to Angular 2.0 Developed an advanced Facet search single page application using Angular JS with complete UI. Involved in creating SPA (Single Page Applications) using Angular JS. Have developed custom reusable Angular directives. Have given few sessions on Typescript to the team. Used and experience using YARN for various aspects of packages management, including installation and administration for multiple packages files in the mono repo. Developed mock data generation feature that is integrated with GraphQL IDE interface to allow users to send queries against their custom generated schema and render mock results in order to familiarize users to the GraphQL syntax. Worked on version control system called SVN and comfortable with branching, Tagging and merging. Developed the User Interactive web pages in a professional manner with using web technologies like HTML5/HTML and CSS3/CSS. Created reusable templates and style sheets based on UI standards and guidelines; Performed functional tasks using specifications and wireframes. Implemented JSON parsing for data handling on different application. Wrote extensive HTML5, CSS3 and JavaScript code to build dynamic pages. Used Bootstrap and Angular UI Bootstrap for creating rich, Responsive UI Screens for varying screen sizes and devices. Participated in making Responsive Web Designs using Bootstrap. Implemented nested views and routing using Angular UI Router as per the requirement. Created various Angular directives, controllers, DOM, expressions, templates, data binding, etc. Developed applications using Hibernate persistent framework, developed persistent classes, hibernate-mapping files.hbm.xml file, hibernate query language. Used various features in Angular JS like data binding, routing, custom filters, custom directives to meet various customized requirements. Used the http services in Angular JS to make API calls and exchange data in JSON. Implemented Angular promises to handle asynchronous communication with our Rest API for various requirements. Implemented role-based page views based on the permissions of the user logged in. Used Jasmine as testing framework and Karma as test runner to perform unit testing. Used package managers like Npm to manage dependencies. Used Gulp as a build tool for post development activities like minification, concatenation and etc. Used Kubernetes to orchestrate then deployment, scaling and management of Docker Containers. Experienced in managing Docker orchestration and Docker containerization using Kubernetes. Understanding the concepts of continuous integration using tool Jenkins and fixing the bugs quickly encountered in continuous builds. Attending the daily standups as part of Agile and communicating assigned user story updates and discussing any issues with the team upfront. Environment: HTML, CSS, JavaScript, Angular JS, Angular 4/5, Bootstrap, Yarn, AWS, jQuery, JSP (Java Server Pages), Grunt, XML, Kubernetes, Docker, Jenkins, Gulp. TCG The Carlyle Group, Hyderabad, India Mar 2018 Dec 2018 UI/Web Developer Responsibilities: In Phase One, worked closely with the UX Team to create a Custom Components Library using React JS. Design, develop and test HTML5, CSS3, Bootstrap, jQuery and React JS that meets accessibility and web browser standards for website. Implemented client-side Interface using React JS. Added Excel-Builder to download the Tabular data in Excel format using React. Collaborating with designer to create views for a responsive, single page app in React JS and maintaining current code. Implemented the Drag and Drop functionality using React-Draggable Responsible for creating a responsive front-end UI using CSS3, HTML5, Angular JS and Twitter Bootstrap. Involved in creating wireframes for and designs for a variety of forms as well as dashboards. Implemented latest HTML5 and CSS3 features like creating various effects, shadings, 2D/3D animations, shapes, handling multimedia files and many others. Experience in creating DOM control structures in Angular for repeating/hiding DOM fragments as well as experience of form validations. Implementation of REST- API for services and controlling access to the databases. NodeJS for communication between mobile devices and backend. Developed responsive UI modules using BackboneJs, UnderscoreJs, RequireJs and jQuery. Implemented nested views and routing using Angular UI Router as per the requirement. Worked with Automation QA team to handle E2E integration testing for angular projects using Protractor. Used Jasmine as testing framework and Karma as test runner to perform unit testing. Worked on cross browser compatibility issues using feature detection library called Modernizer. Used Require Js to load and manage dependencies of an application for better performance. Developed few backend REST API modules Login, Profile, User manager for admin portal using Nodejs based on SOA architecture. Used Microservices to build individual components of the application and built the application on Spring Framework. Used React JS for templating for faster compilation and developing reusable components. Involved in setting up Grunt tool for the existing project to build, obfuscate the JavaScript code and to integrate it with various Unit testing frameworks. Leveraged angular resources for all data access, encapsulating URLs and standardizing data access interfaces. Developed prototypes and UI deliverables, such as wireframes using the tool BALSAMIQ. Established UX design as the first stage of all Web and mobile application developments, instituting a user- centered design (UCD) approach. Designing product for web and mobile platforms as UX Designer. Involved AWS Elastic Beanstalk for deploying and scaling web applications and services developed with Java and Node.js and Docker on familiar servers such as Apache. Extensively used jQuery, Node.js in implementing various GUI components in application portal. Used jQuery to make the HTML, CSS interact with JavaScript functions to add dynamism to web page. Created and tested scripts using jQuery on various browsers Chrome, Firefox, Opera, Safari, IE, etc. Used Google analytics reports, optimized the page load time for the pages that had heavy traffic and Improvised those pages using CSS. Maintained cross browser compatibility and implemented responsive features using Twitter Bootstrap. Coding pages with best Search Engine Optimization (SEO) techniques. Environment: Java, HTML, Spring, AWS, CSS, JavaScript, React JS, Angular JS, SEO, YARN, bootstrap, jQuery, JSP (Java Server Pages), Grunt, Gulp. Intergraph, Hyderabad, India Jul 2016 Feb 2018 UI/Web Developer Responsibilities: Involved in developing web application using JavaScript, CSS, and HTML including performance handling, optimization, security, and AJAX. Used Bootstrap and Angular JS in effective web design and also involved in refactoring the existing code. Involved in developing a data dash boarding site using Angular JS and D3.js. Development of Client-Side Validation techniques using jQuery and Angular JS directives. Development of custom Angular directives, which can be use along with HTML components for DOM Manipulation. Used Angular JS to implement rich functionality in various pages: form validation, CRUD, grid, search, sort, pagination, multi-selection, tags-input, advanced directives, authentication, server-side proxy, unit tests, cloud integration, slide pages, users switch etc. Defined new validations through Angular JS for the form field validation implemented through HTML and used AJAX, JSON to send request to the server to check the functionality of the website. Involved in Enhancement of existing application utilizing Angular JS, created HTML navigation menu that is role based wherein menu items changes dynamically based on the values derived. Processed JSON response data by consuming RESTful web services and used Angular filter for implementing search results. Enhanced legacy application by building new components in Angular 2 and typescript with a REST wrapper around the existing backend java services as well as various enterprise web services integration. Worked on Angular 2.0 by consuming Restful web services & used Angular 2.0 forms like Template Driven forms and Modern Driven (Reactive) forms to perform form validations both on server and client side. Built Angular 2 components, UI services to consume rest services using Component based architecture provided by Angular 2 Design, develop and test HTML, CSS, jQuery and React JS, Redux that meets accessibility and web browser standards for car dealerships websites. Client-Side code was written in React JS, Backbone JS and Server-Side Code were developed using MVC4. Used SOAP Technology for exchanging the XML application using HTTP. Developed APIs using AJAX and JSON to implement more robust and efficient client facing applications. Used Bootstrap library to quickly build project UI s and used Angular JS framework to associate HTML elements to models. Responsible for transforming design mock-ups to W3C standards compliant HTML pages using HTML, XHTML, CSS. Wrote code to fetch data from Web services using JQUERY AJAX via JSON response and updating the HTML pages. Created XHTML pages with CSS and the Box Model. Integrated the Java code (API) in JSP pages. Created the Application using React JS and Node.js libraries NPM, gulp directories to generate desired view and flux to root the URLs properly. Worked with Node JS for creating networking applications that could be run on server side. Responsible for adding ability to have multiple filters on a dashboard page. Used frameworks like Bootstrap to develop UI with responsive design. Worked on several dashboards that connect to API and display charts with correct data. Used Angular JS to achieve the two-way data binding. Tested cross-browsers compatibility on a range of projects. Setup Agile iteration, product life cycle and had daily scrum meetings. Using Google analytics report optimized the page load time for the pages that had heavy traffic and improvised those pages using CSS and fixed the issues for the pages with low traffic and high load time. Creating rapid prototypes of interfaces to be used as blueprints for technical development. Environment: HTML, XHTML, CSS3, Java, Dojo, JavaScript, React JS, Responsive Web Design, XML, Sencha, Backbone.js, Node.JS, Handlebars.js Mongo DB, jQuery, JSP, AJAX, JSON, Jasmine. Keywords: cprogramm cplusplus quality analyst user interface user experience javascript sthree database information technology procedural language Georgia