Rao Kumar Email & Phone Number

United States

•Around 10 years of experience in design, development, testing and implementing application software and Microsoft.NET technologies on windows and web-based applications.•Experience in developing web-based applications using MVC.•Sound knowledge of Object-Oriented Language Principles (Java, C#).•Sound knowledge in .NET Framework features such as Events, Delegates, Multithreading, Generics, Collections and Exception Handling.•Worked with Angular 7 and typescript as part of migration from Angular and vanilla JavaScript to Angular 7 and react.•Extensive experience in Web Application development (Websites) and Windows Application Development (Win Forms) using ASP.NET 3.0/3.5/4.0/4.5.Worked on ReactJS Virtual DOM and React views, rendering using components which contains additional components called custom HTML tags.•Used Agile methodology with tight sprints to deliver regular releases.•Design, develop and build application ASP.NET Web API Core 2.0.•Migrated REST APIs from .NET framework 4.5 to .NET Core 2.2•Implemented ASP.NET Core View Components to display common UI parts with via jQuery unobtrusive•Used C# as language to develop code behind business logic.•Experience in C# for middle tier business logic and implementation of Web Services using WCF and Web API.•Create a production-level pilot project to evaluate Angular 9 vs ASP.NET Blazor (WebAssembly and Server Side) vs React front ends.•Implemented HTTP requests using RxJs Observable library to handle multiple values over time.•Design and Develop DataStage ETL jobs and test cases on Teradata.•Extensively used tools like Web pack to minify JavaScript files, compile Sass files to CSS and reduce the React JS and Redux file size.•Used ASP.NET MVC 6 to build presentation layer of the web application.•Developed a JavaScript framework to allow custom implementation of few features of application.•Used Angular JS and Angular 2 to build responsive forms in Admin application.

India

• Gathered business requirements and used UML in preparing case and activity diagrams.• Developed a 3- tier web application following agile development methodology.• Involved in Design, Development and Testing of Web Forms and Web Services using IIS 6.0, ASP.NET, XML, and ADO.NET.• C#.NET is used to program business logic including code-behind files and classes in the middle tier.• Extensively used AJAX control• Used JavaScript and .NET Validation Controls for performing client-side validations.• Designed a Master Page and used CSS for to provide a consistent look and feel of inherited web pages.• Designed Custom and User Controls that allows Change, Edit, and Move the content on aspx pages.• Developed Dynamic web applications with AJAX and Web sockets.• State Management Techniques are used to maintain state at control level using View State and at application level using Sessions.• Created package JSON for Bower and consumed Restful web services using Angular JS 1.5, AJAX.• Used WebAPI to register external users.• Implemented Security Features using ASP.NET Login Controls, Personalization, Membership, Authentication and Authorization.• Migrating data from the different sources (Text based files, Ms-Excel spread sheets and Ms-Access) to SQL Server databases using SSIS.• Extensive use of various GOF design pattern to help in achieving optimal solution for the business need.• Consumed Remote Web services using WCF Service Model and called within Silverlight to implement Data Binding with Silverlight controls.• Extensively worked on Creating, Transmitting and Consuming WCF and Web Services.• Implemented DAL using ADO.NETcomponents like Data Set, Data Provider, and Data Reader to store and retrieve database information.• Experience in working on Docker for deploying the applications.• Used Microsoft Team Foundation Server (TFS) for version control and file sharing.• Performed Unit Testing (Mocking objects) on data access and business access layers.

India

• Prepared Functional Specifications, Design Specifications document and UML Diagrams.• Designed and Developed application using .NET framework 4.0, Object Oriented Concepts (C#).• Designed & Developed GUI (Graphical user interface) for all pages in Web forms using AJAX, HTML, Bootstrap and CSS.• Used Server-Side Validation Controls and Client-Side Validations for handling the form inputs.• Created DTS Packages to import data from Flat Files into SQL Server Database.• Develop batch process in .NET that imports and exports data from the third-party application to other systems.• Designed and developed a WEBAPI application that is considered as an endpoint to outside world for our data.• Worked on SQL Server Analysis Services (OLAP) for Performance Tuning Operations.• Used ADO.NET and its components DataReader, Dataset, Connection and Data Adapterto access the database information.• Used Web Sockets to provide full-duplex communication channels over a single TCP connection.• Designed and created Neuron ESB applications utilizing C#.net, XML and XSLT to receive and process incoming store Point of Sale (POS) data for deployment to Lawson and/or PeopleSoft SQL 2005 Server databases.• Creating Packages on SSIS by using different data Transformations like Derived Column, Lookup, Conditional Split, Script, Merge Join, Sort and Execute SQL Task, Script Component Task to load data into Database.• Performed Client-Side Validations across various Views using AngularJS.• Components were consumed by web applications and windows applications utilizing SQL Server and stored procedures to perform logical business transactions.• Implement modules into Node JS to integrate with designs and requirements.• Created and deployed XML Web Services using ASP.NET. Consumed Web Services from both Windows forms and ASP.NET web applications.• Actively participated in project discussions with the client and finalizing on the technical side of the application.

India

• Developed custom User Controls to reduce the complexity in UI coding and provide better look & feel. ADO.NET• Designed and developed various interfaces, classes to construct the business logic using C#.NET, ADO.NET and XML.• Implemented the business logic in the middle tier using C#.NET.• Used Master Pages templates, CSS Themes to define unified look and feel for the application.• Reengineered existing applications to N Tier web-based application using ASP.Net with C# as back end.• Used Design Patterns to separate the User Interface and the Business Logic• Involved in writing complex SQL Statements, and UDF’sIndexes to validate data and ensure system integrity and security in SQL Server 2005(T-SQL)• Used ASP.Net caching to improve the performance of the pages.• Implemented the data access layer where the tracking history details and contact information are stored and retrieved from the database using ADO.NET and C#.NET.• Implemented exception handling and developed custom error pages.• Excellent experience in developing applications that meet the requirements as specified by Web Content Accessibility Guidelines (WCAG) 2.0.• Developed the back-end layer for the workflow solution, elaborate test cases and conducted customize walkthroughs.• Supported production software operations through testing and troubleshooting to resolve the issues.• Used Neuron ESB for creating itineraries and for exception handling.• Wrote Data Access Layer Methods (ADO.NET), T-SQL Queries, Store Procedures, and SQL User Defined functions for fetching Transaction details, Customer Details, and Product Configuration data.• Integrating procedural steps and processes with technical requirements and system functions to assure successful delivery of work has been done.• Involved in unit and system testing, ensuring the smooth delivery of the project.