SUMMARY:

• Around 4 years of experience in Application Development in Web and Backend Applications.
• Oracle certified Associate, Java SE 8 Programmer. Click here to view the certificate.
• Working experience developing applications using Java8 and jUnit.
• Hands on UI Developer worked on SPA with Responsive design using Angular and ReactJs frameworks and their Component based architecture.
• Used libraries like NgRx for reactive state management. Experienced in Promise and Observable usage for asynchronous processing.
• Good working experience in using JavaScript new standards ES6 & Typescript. Utilized JavaScript design patterns: Module, Revealing Module, Singleton and Prototype.
• Experience in making Responsive Web Pages using Media Queries, Twitter Bootstrap and leverage the befits of CSS pre - processors SAAS and LESS.
• Worked on Material Design based UI implementations. Utilized Angular-Material integrations for visual components.
• Used Webpack for automating UI code bundle and usage of middleware for hot deployments and production builds.
• Experience in designing and developing RESTful webservices using microservices architecture and deployed on NodeJs.
• Experience in handling performance issues, clustering, performance monitoring and memory configurations of Node.js applications.
• Developed UI specs for Unit and E2E testing with using Karma, Jasmine and Cucumber.
• Experienced in Continuous Integration (CI) and Continuous Delivery (CD) using Jenkins.
• Good understanding on NoSQL database MongoDB. Worked on complex Mongo queries using Projections and Aggregations. Worked in indexing and clustering.
• Experienced SDLC models and Agile/Scrum model.

TECHNICAL SKILLS:

Languages: Java8, JavaScript/ES6, Typescript.

Web Technologies: HTML5, CSS3, Bootstrap, Angular 2/5, Angular CLI, Webpack, React, JSLint.

Testing: Jasmine, Sinon, Cucumber, Selenium, Mocha, Chai, jUnit

Server Technologies: NodeJs, ExpressJs, LoopBack, Spring, JDBC, Mongoose, SQL REST WebServices, MicroServices architecture

Databases: My SQL, Oracle, MongoDB.

Version Control Tools: GIT, SVN, Source tree.

IDE and Tools: Eclipse, Visual Studio Code, Android Studio, Jenkins, Robo 3T, Postman.

Cloud Platforms: AWS Cloud S3, EC2, SQS, SNS, Load balancer, Lambda.

PROFESSIONAL EXPERIENCE:

Confidential, NJ

Fullstack Web Developer

Responsibilities:

• Worked with the cross functional teams in gathering requirements, define user flows, end user experience.
• Developed user flows on webapp using HTML5, CSS3/SCSS, and Angular 6 framework.
• Developed views using Angular modules, components, services and routes.
• Created Custom services and pipes in Angular for focusing on input control etc.
• Implemented form validations using ngForms and created the Custom Validators for validating date types and custom input components.
• Developed high-quality code to support multiple browsers while still meeting high performance requirements. Implemented performance improvements strategies like minification, on-demand module loading, compression, caching, prefetching for UI layer.
• Developed the application using React, Node, Express, GraphQL, Mongoose and MongoDB.
• Create backend Services and leveraged Schema objects from Mongoose library to build object models. Implemented CRUD operations with security enabled for REST clients and GraphQL clients.
• Developer about 15 different Data Modals and used Mongoose JS and integrated MongoDB. Leveraged auto increment, Object reference capability to manage various data models.
• Utilized 3rd party libraries like Lodash to work with arrays, numbers, objects, strings, etc.
• Worked with middleware like Express Validator, Body Parser, and Cookie Parser.
• Worked on GraphQL and implemented GraphQL query language for APIs so that clients can make selective data element querying.
• Implemented Authentication using Passport.Js.
• Worked with DevOps to automate application deploying using Jenkins for Automatic Deployment and testing. Deployed Node and MongodDB on AWS EC2 instances.
• Validated application on multiple devices using Browserstack.com.

Confidential, New York City, NY

UI Developer

Responsibilities:

• Developed application using Angular 4 as main framework and leveraged many supporting libraries for rich UI.
• Active participation throughout the entire software development lifecycle from project inception to code development of various modules.
• Created TypeScript reusable components and services to consume REST API's using Component based architecture provided by Angular 4
• Responsible for creating efficient design and developing UI screens using HTML5, CSS3, Bootstrap, JavaScript, AJAX, Angular, and JSON.
• Worked with Express.js to interact with the Node.js server and for routing.
• Developed UI Templates using string interpolation, one way/two-way data binding using Angular.
• Used Cascading Style Sheet (CSS) in web pages to separate presentation from structure.
• Created forms to collect and validate data from the user in HTML and JavaScript.
• Used JSON for storing and exchanging information between browsers and servers.
• Extensively used Bootstrap and CSS3 media queries for Responsive Web Design (RWD).
• Developed SQL queries to perform insert, update or delete operation on MySQL database.
• Worked on data access layer using MongoDB and Mongoose.js.
• Managing tickets through JIRA and use Source tree with GIT for version control.

Confidential

Java Developer

Responsibilities:

• Involved in the analysis, design, and development and testing phases of application.
• Developed the view components using CSS, HTML5, JavaScript.
• Implemented persistence layer using JPA and writing SQL queries based on JPA criteria API.
• Extensively used data manipulation language and data query language to access, manage, and query data.
• Created AngularJS Routing to connect different controller to the view which allows the single-page application.
• Implemented AngularJS Services to bind the data and provide access to the data on the server.
• Actively involved in performance tuning of Java Spring Integration layer and production issues.
• Used SoapUI for functional testing and inspection and invocation of Spring-based Web Services
• Used web services architecture with Spring Integration based service through REST.
• Deployed applications on Web Logic Application Server.
• Configured ATG nucleus components for connection pooling and data source. Implemented the Hibernate framework (ORM) to interact with database.
• Implemented spring security for application transaction management.
• Developed Web Services to integrate with the External System.
• Extensively worked with XML using DOM and SAX parsers for transferring the data between different components.
• Involved in developing EJB's Message Driven Bean (MDB) for asynchronous messaging.
• Developed the Junit test cases.
• Used JIRA 5.2 for the issue tracking and bug reporting.
• Used Log4j and commons-logging frameworks for logging the application flow.
• Conducted version control, software maintenance and backup using Maven and GIT.
• Worked in multiple environments including SIT, UAT and Production Environment.