Front End Stack Developer

Nagajyothi

Full Stack Developer

Email: ad5wuo@r.postjobfree.com

Ph #: 479-***-****

Professional Summary:

● 8 years of Front-End developer experience in Enterprise Applications and Web Application development with emphasis on front end Technologies.

● 2 years of backend developer experience in using micro services and Java backend technologies.

● Extensive experience working in both AGILE/SCRUM and SDLC based development environments and participating in SCRUM sessions that includes Analyzing, Designing and Coding.

● Experience in developing Web User Interface (UI) using Object Oriented JavaScript, TypeScript, Angular 5/6/7/8/9/10, jQuery, Responsive Web Development, Node.js, Media Queries, Bootstrap, HTML5 and CSS3 frameworks.

● Experienced in creating Single Page and Multi-page Applications using Angular 2/4/5/6/7/8/9/10 components, Dependency Injection, Services, Routing, pipes, Animations, Forms, AOT, Lazy Loading etc.

● Proficient with Angular related frameworks/libraries such as NgRX, RxJs, ui-bootstrap, ui- router, ng-bootstrap, ngx-bootstrap and Angular Material.

● Experienced in solving issues in web browsers, following the W3C standards to maintain the website with defect free.

● Proficient in using AJAX for implementing dynamic webpage's where the content was fetched via API calls and updated the DOM (JSON Parsing).

● RealTime Experience in Spring Framework modules such as Spring MVC (dependency of Injection), IOC, AOP and SpringJDBC, SpringJTA, Spring IO, Spring Security, Spring Boot with Thyme leaf, Spring Batch, Spring Heroku.

● RealTime Experience in various components in Spring, which includes Spring IOC, AOP, Spring JDBC, Spring MVC, JPA, Spring Batch, Spring Security and Spring Boot.

● Proficient in creating Web Services using Spring Boot.

● Understand the core AWS services, uses, and basic architecture best practices.

● RealTime Experience in building microservices using spring boot and deploying to AWS Cloud.

● Experienced in the functional usage and deployment of applications in JBoss, WebLogic, WebSphere and Apache Tomcat.

● Expertise with Object Oriented Design (OOD), Object Oriented Analysis (OOA), Object Oriented Modelling

(OOM) based on Unified Modelling Language (UML) architecture.

● Extensive Use of React for building interactive UserInterface

● Experience in using NodeJS for making calls (GET, POST, PUT, DELETE) for triggering or fetching data from Restful API’s provided by the backend team.

● Expertise in debugging and troubleshooting existing code using Firebug and Developer Tools.

● Experienced in working with AGILE methodology-based development environment and participated in Scrum sessions.

● Proficient in using Front End editors like Dreamweaver, Notepad, Notepad++, Visual Studio Code, Sublime Text2, Brackets and Microsoft Expression Web.

● Experience in writing lightweight NodeJS express servers, and using technologies like AJAX, JavaScript, jQuery, JSON to make connections between server and databases like MongoDB and MySQL.

● Experienced with JIRA for bug tracking and issue tracking and GIT as Version Control Tool.

● Produced visually appealing designs focused on usability, utility, cross-browser compatibility and hence worked on Google Chrome, Safari, Firefox, Internet Explorer.

● Excellent analytical, problem solving and interpersonal skills. Ability to learn new concepts fast. Consistent team player with excellent communication skills.

Technical Skills:

Web Technologies HTML5, CSS3, JavaScript, AJAX, XML, XHTML, XSLT, JSON, XPath Libraries and Frameworks AngularJS, Bootstrap, Angular 2/4/5/6/7/8/9/10,13,React jQuery, Backbone.js, RxJS, Node.js

Cloud Technologies Amazon Web Services (AWS)

Web Servers HTTP Web Server, Apache Tomcat

Utility Tools Soap UI, Postman

Debugging Tools Chrome or Safari Developer Toolbar, Firebug Lite, IE Developer Toolbar. Databases Oracle, SQL Server, My SQL server, Mongo DB Version Control GitHub, SVN

Operating Systems Windows, iOS, Android

Professional Experience:

Kajeet Inc Mclean,VA April 2022-April 2024

Role: UI/Front End/Web Developer

Responsibilities:

● Developed the sentinel application for esim activation,deactivation based on the User preferences.

● Provide the flexibility for users to activate and deactivate the e-SIM by providing their details like UUID and IMEI #.

● Developed feature to provide the list of activations in a dashboard view for auditing and reviews.

● Created automation test scripts to automate the entire UI that handles activation and deactivation process.

● Enabled the screens for end users to review their account with multi-carriers and private wireless network information.

● Developed web application using Typescript and Angular 13 by following Agile and Scrum methodologies.

● Implemented functions and features using Angular 13 at client-side and Web API at server-side.

● Worked with NPM commands and using package.json for managing dependencies and dev-dependencies of Node JS applications as part of app migration from Angular JS to 13.

● Implemented new principles such as responsive design, mobile first and adaptive design using Angular 9 libraries using Typescript.

● Refactor the Code from AngularJS to the latest version of Angular i.e., Angular 13 and implement the latest features available.

● Continuously refactor and optimize the system to improve the efficiency and quality of the development cycles Environment: Angular 11/13, Microservices,HTML5,CSS,CI/CD,Jenkins, HTTP, Jira, GIT, Visual Studio, Agile,

Bank of America Pennington, NJ March 2021-April 2022 Role: UI/Full Stack Developer

Responsibilities:

● Requirements Analysis, Design, Implementation and Maintenance in Agile and DailScrum environment.

● Utilized Angular Material or other UI libraries to create visually appealing and consistent UI elements.

● Ensuring high performance of application

● Developed and maintained applications using standard development tools

● Good knowledge of development patterns

● Worked in an Agile scrum team. Participate in all Agile ceremonies. Worked closely with the scrum master to estimate effort of new features

● Implemented Java 11 features like utility methods, local-Variable Syntax for Lambda Parameters, and Nested Based Access Control.

● Developed application on spring framework by utilizing its features like Spring Boot, Spring Transaction, SpringData, Spring AOP with Spring MVC.

● Developed and consumed Rest Services using HTTP methods such as GET, POST, PUT, and Delete for user and account Microservices.

● Utilized Angular Material or other UI libraries to create visually appealing and consistent UI elements.

● Installed, Configured the Enterprise applications on browser and diagnosed the issues with Java applications

● running on Tomcat server.

● Worked on RESTful Web Services for transferring JSON data between two interfaces.

● Deployed Spring Boot based microservices and Docker container using Amazon EC2 container services using AWS

● Used Maven Scripts to build and deploy applications and worked closely with build team to resolve CI, Maven and Report Issues

● Created branching and tagging strategies to maintain the source code in the code hub repository and coordinate with developers with establishing and applying appropriate branching, labelling/naming conventions using GIT source control.

● Used NPM as the package manager and NPM scripts as build tools for the application.

● Configure the Jenkins Build for auto deployment upon code push to GIT repository using GitHub for reviewing and merging the code to the remote repository.

● Shared services developed across platform for seamless Integration between modules

● Provided seamless integration between audit application modules including portal

● Role based access control

● Provided admin capability for all modules

● Comply with GT&O standard operating models for CI/CD support and comply with EARC tools and technologies

● Headless BPM for overall audit process and module level sub process workflows Environment: Java 11, Spring Boot, Microservices, Spring Transaction Management, Angular 9/10, Spring Data, Spring AOP, Spring Security, AWS, EXT JS, OAuth 2, Apache Tomcat Server, Jenkins, HTTP, Jira, GIT, Visual Studio, Maven, Agile, Windows.

Client: Sun & Ski Sports, Houston, TX Aug 2020 – Feb 2021 Role: UI/Front End/Web Developer

Responsibilities:

● Developed web application using Typescript and Angular 10 by following Agile and Scrum methodologies.

● Implemented functions and features using Angular 10 at client-side and Web API at server-side.

● Worked with NPM commands and using package.json for managing dependencies and dev-dependencies of Node JS applications as part of app migration from Angular JS to 10.

● Implemented new principles such as responsive design, mobile first and adaptive design using Angular 9 libraries using Typescript.

● Refactored the Code from Angular JS to the latest version of Angular i.e., Angular 10 and implement the latest features available.

● Written modular code including experience using ES6 with Angular.

● Created individual components and services in Angular 9 with NgRx to modularize the functionality.

● Used the Angular Material to optimize in-browser use and to load the module and to improve speed.

● Consuming RESTful Web Services using FETCH rendering JSON response.

● Dealt with Custom Directives, Controllers, Services and filters modules of Angular.

● Implementing authentication and authorization using JSON Web Tokens.

● Developed the components using Angular 9 needed for the application from the scratch and customizing from various Angular related libraries to meet the application's functionality.

● Dealt with MongoDB (locking, transactions, indexes, Sharding, replication and schema design) No SQL Database and developed code using Visual Studio Code.

● Deploying the applications to GitHub / Gitlab Building real-time application

● Used JIRA as a Tool for tracking the estimates based on the User Stories and iterations for each sprint. Environment: Angular 10, TypeScript, Angular CLI, Node JS, NgRX, Angular Material, HTML5, CSS3, JSON, MongoDB, GITHUB, Visual Studio Code, Jira, Agile, Windows. Client: Arvest Bank, Bentonville, AR Jan 2019 – Jul 2020 Role: UI/Front End Developer

Responsibilities:

● Collaborated with Scrum Agile team members to review user stories and supporting requirements and translated them into a system design.

● Created Front-end Applications using HTML5, Bootstrap, TypeScript, Angular 8/7, AJAX, XML and JSON.

● Worked on RXJS Compatibility package to get backwards compatibility with RxJS previous to Angular version 8.

● Implemented HTTP Interceptors to add JWT tokens and authentication headers to every HTTP call to provide authentication to pages.

● Implemented NGRX store to maintain the state of the application. NGRX store was used to store results after angular injector observable retrieved the data from backend.

● Working with Bootstrap twitter framework to Design single page application.

● Used NPM for installing required node modules and other published Angular NPM modules.

● Updated the routing between the pages and created specific access groups for restricted access in routing to specific web pages.

● Used RxJS to converting existing code for async operations into observables, iterating through the values in a stream, mapping values to different types, filtering streams, Composing multiple streams.

● Developed main features of application functionality CRUD (create, read, update, delete) features on client side. And successfully sent to REST services.

● Built custom form control library to add in accessibility, end-to-end testing and directives for form validations.

● Developed Web Services to communicate to other modules using REST protocols.

● Tested/De-bugged on browser using Firebug.

● Used GIT as Version Control Tool and Jira as Bug tracking Tool.

● Participated in everyday SCRUM meetings to discuss the ongoing project and related issues. Environment: Angular 8/7, TypeScript, Node JS, Angular CLI, NPM, Bootstrap, HTML5, CSS3, NGRX, RxJS, JSON, XML, GIT, Jira, Firebug, Agile, Windows.

Client: American Fidelity Insurance, Oklahoma City, OK Nov 2017 – Dec 2018 Role: UI/Web Developer

Responsibilities:

● Essentially involved in all phases of SDLC to structure the unformatted requirements.

● Involved in design and development of SPA (Single Page Application) using Typescript, Angular 6/5.

● Proficiently applied the directives in UI Bootstrap Library to make more dynamic and smoother UI, like Modal Popup, Dropdown navigation bar and Date picker controls.

● Developed higher order components for reusability throughout the application. Including Services using RxJS.

● Worked on routing and navigation functionality to navigate through different pages.

● Implemented dependency Injectable services to connect the web application to back-end RESTful APIs to POST/GET the data used in the application.

● Created custom, self-contained, reusable, and testable Angular modules, components and services through Angular CLI to implement key functionalities.

● Implemented Angular client-side validation through form module and wrote custom validators as needed

● Develop the registration page and login page with angular reactive form for customizing the validators with specific requirements.

● Used Maven script for building and deploying the application.

● Used JIRA for bug tracking. Git is used as a version control tool and Jenkins is used for continuous integration of builds.

Environment: Angular 6/5, TypeScript, Angular CLI, NPM, Node JS, Bootstrap, RxJS, Mongo DB, Maven, Jira, Jenkins, Windows.

Client: Simmons Bank, Little Rock, AR Jan 2016 – Dec 2017 Role: Web Developer

Responsibilities:

● Used MVC architecture of Framework for developing web applications and to simplify the code complexity.

● Developed end to end application with agile methodology and daily stand-up meetings.

● Performed form validations using reactive forms for sign in and inputting ticket rising information from Angular2 framework.

● Designed multiple views using HTML 5, CSS3 and Bootstrap.

● Converted PSD image files into HTML templates.

● Developed a component that varies content based on the user’s navigation by using router- outlet directive in Angular 2/JS.

● Implemented Angular 2 services to communicate with Express.js on the server-side in-order to perform CRUD operations on database.

● Used Angular JS to implement rich functionality in various pages: form validation, grid, search, sort, pagination, authentication, slide pages, users switch.

● Used CSS3 and Bootstrap for styling the HTML5 elements.

● Daily stand-up SCRUM meetings with the team, Used JIRA for Stories/Bugs/Create Tasks/sub tasks.

● Created Template Driven Forms and Reactive Forms in Angular 2.

● Implemented SPA by using several in built core directives, expressions, and modules in perspective of Angular2.

● Implemented Services to share logic across different components in Angular 2.

● Designed dynamic and browser compatible pages using HTML5, CSS3 and JavaScript.

● Developed event-based Node JS to perform AJAX operations on the server side.

● Developed custom-form validation using built-in angular form properties such as $valid, $invalid, and $dirty. Environment: Angular 2/JS, HTML5, CSS3, Bootstrap, Node.JS, Mongo DB, jQuery, Ajax, JSON, Dreamweaver, GIT, JavaScript, Windows.

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