SUMMARY

• Around 8+ years of strong expertise in teh IT Industry having extensive experience in web based and client server application software analysis, design, development, implementation, testing and maintenance using .NET Web/Windows and SOA.
• Proficient with Software development methodologies like Agile Methodologies.
• Extensive development experience in object - oriented analysis, design and programming (OOA/OOD/OOP) throughout complete SDLC in various models like Waterfall and Agile.
• Strong experience in teh development of WinForms, WebForms and XML Web services using ASP.Net, Core, C#.Net, VB.Net, ADO.Net, LINQ, WPF, WCF, WF, XML, XAML, Infragistics, ORM (NHibernate, Entity Framework).
• Strong Expertise in front end technologies such JSP, HTML 5, DHTML, XHTML, XML, XSLT, CSS 3, JavaScript, Angular JS/4/7, JQuery and Ajax.
• Experience in providing solutions using HTML, ASP, Java Script, AJAX, WPF/Silverlight, JQuery, Knockout JS Data Modeling and Database Programming using SQL Server 2005/2008/2012 and Oracle 10g/11g/12c.
• Proficient in Oracle 10g/11g, PL/SQL Stored Procedures, Functions, Triggers, and packages.
• Expertise in Advanced JavaScript libraries and frameworks such as Prototype, ExtJS, Angular JS, Node.JS and Object-oriented programming in JS.
• Experience building API’s using NodeJS and Express.
• Successfully designed and implemented various reusable components and frameworks using Design Patterns like MVC (Model View Controller), Singleton, Factory, DAO and Facade.
• Experience in designing and implementing AWS Solutions using EC2, Lambda, IAM, Dynamo DB, Route53, S3, EBS, Elastic Load balancer (ELB), VPC and Cloud Formation.
• Experience in logging teh application using Log4Net.
• Experience in using Version Control Systems like CVS, Clear Case, SVN, TFS and GIT.
• Used Xamarin iOS and Xamarin Android for creating native user interface.
• Highly adaptable and adept at building good working relationships.
• Experience in developing teh Technical design documents and application flows.

TECHNICAL SKILLS

Languages: C#, Java, Python, Typescript

Framework: .NET Framework 2.0/3.0/3.5/4.0/ Core, Web API and Entity Framework.

Technologies: MVC, Struts, SOA, SOAP, JavaScript, XML, Angular 4/7 and HTML.

Version Control Tools: CVS, Clear Case, Tortoise SVN, Smart SVN, GIT.

Operating Systems: Windows 98/XP/7, DOS, UNIX, and Linux

Database: SQL Server, Oracle 9i/10g/11g/12c, MySQL, Mongo DB, Cassandra.

Design Patterns: Singleton, MVC, Business Delegate, Session Façade, Factory, DAO, Value Object, Proxy etc.

IDE Tools: Visual Studio, Visual Studio Code

PROFESSIONAL EXPERIENCE

Confidential, Baltimore, MD

.Net Full Stack Developer/ Xamarin Developer

Responsibilities:

• Participate in understanding, gathering functional requirements and documenting technical design documents for teh mobile application.
• Followed Agile Methodology. Involved in daily scrum meetings to self-organize and complete work.
• Used .NET Xamarin Forms to develop teh User Interface.
• Stored in SQLite locally while taking teh assessment and saving teh data on teh cloud on submitting teh assessment after completion. This helps avoid any data loss in case of loss of network connectivity.
• Involved in database design, table, stored procedure creation etc.
• Developed SQL queries for multiple CRUD operations using joins, CTE’s etc. and did performance tuning.
• Successfully developed teh back end layer of teh application using Web API, Azure Functions and leveraged Entity framework (EF) in teh environment by using Visual Studio.
• Implemented Data Access layer using WCF, Web API Restful services and Entity Framework.
• Created a set of core assemblies in C# containing helpful utilities and extensions as well as components for implementing Dependency Injection in applications and services using teh Microsoft Unity platform.
• Worked in AGILE SCRUM environment regularly attending teh Status Meetings and updating status to Scrum Master and involved in Code Review meetings, Implementing User Stories.
• Git and Bitbucket are used for version control tools for teh application, CICD and Jenkins for Build process.
• Used Log4Net to print teh logging, debugging, warning, info on teh server console.

Environment: Visual Studio .NET 2019, .Net Core, C#, DevExpress controls, SQL Server 2016, Entity Framework Core, HTM5, CSS3, Angular, GitHub, SQLite, Azure SQL database, Azure Web Service, Azure Storage.

Confidential, Phoenix, AZ

.Net Full Stack Developer

Responsibilities:

• Understanding functional specifications and documenting technical design documents for teh Project.
• Worked in Agile methodology for software development. Involved in daily scrum meetings to self-organize and complete work.
• Used ASP.NET MVC framework to support teh use of Dependency Injection to inject objects into a class, instead of relying on teh class to create teh object itself
• Implemented strategies for Migration from classic to .Net 3.1 and from .Net core 2.2 to 3.1.
• Created Framework for IoC mapping classes and services as per .Net core 3.1 standards
• Implemented client-side functionality using HTML 5, CSS 3, Bootstrap and Angular5.
• Developed Browser Script code in Angular Typescript for JavaScript (ECMA 5/6) transpilation.
• Worked with Typescript new features block scope, type restrictions, decorators, arrow functions, classes, interfaces, modules (import and exports).
• Used TypeScript to create reusable components and services to consume REST API's using component-based architecture provided by Angular 4.
• Developed teh data layer class using C# which is reusable for data transactions of entire project.
• Developed and Implemented Win Forms, Web Forms using ASP.NET and coded teh Business logic in C
• Worked with http interceptors configurations for security in Angular 5 applications.
• Worked with Angular 5 directives, components, and pipes, injectable.
• For Responsive Web design used Bootstrap to build grids, layouts and components. Used Bootstrap components like dropdown menus, navigation bar, alerts, and labels.
• Created Stored Procedures PL/SQL statements Functions to manipulate teh databases.
• Implemented Azure cloud storage services for user key accounts
• Developed User Interface for services in REST and CORE.
• Writing custom mapping with n-hibernate and developing theSQL Querybuilder using N-hibernate entities.
• Used JSON for Web API and Data binding using Angular 5.
• Developed location Services using Xamarin.
• Used Dependency injection service to make use of Native features dat exist in android, iOS.
• Developed Cross-Platform Mobile app using Xamarin Forms with code sharing between all platforms (Android, iOS and Universal Windows apps).
• Implemented REST API's with azure service fabric stateless MicroServices usingASP.NET Core.
• Developed ASP.NET application in N-Tier architecture following agile methodology.
• Developed component repositories which process Kafka message queues to extract data and tan perform CRUD operations into various tables into SQL Server databases.
• Implemented XML Web Services in C# based on SOAP protocols using XML and XSLT extensively for data transfers.
• Created Real and Fake Factory Services to call REST Controller to get required JSON data.
• Implemented Code First utilizing Entity Framework Core
• Implementing MVC frameworks like Angular.JS and Backbone.JS.
• Implemented Concurrency and Multithreading/async Result Pattern for implementation.
• Implemented App insights integration with Serilog Logging.
• Wrote Lambda functions in Python for AZURE which invokes python scripts to perform various transformations and analytics on large data sets in EMR clusters.
• Designed and developed automation test scripts using Python.
• Involved in Unit testing and Integration testing with other modules (NUnit)
• Involved in thorough Integration Test with QA Team before passing to QA

Environment: Visual Studio .NET 2019.Net Core 3.1 C#, Python, Xamarin, Resharper, ASP.NET MVC Core, LINQ, SQL Server 2016, Entity Framework Core, HTM5, CSS3, Angular 5, Node.JS, GitHub, Azure SQL database, Azure Web Service, Azure Storage. AWS.

Confidential, Austin, TX

Sr. Net Developer

Responsibilities:

• Web application development for backend system using Angular JS and Node JS with cutting edge HTML5 and CSS3 techniques
• Working on sites built with Express JS and Node.JS.
• Created Sequence Diagrams and Flow Diagrams for new Process for Coding Efforts.
• Defined project’s scope and Create Base Classes.
• Defined batch process and Dependency/Triggering process for console .Net application.
• Created Factory Classes and methods exposed using Factory Pattern.
• Created Framework for IoC mapping classes.
• Experienced in optimizing queries for performance by looking at Execution plan, creatingINDEXESand views usingSQL SERVER 2012.
• Creating live reporting module using Kendo UI grid and REST API using MVC
• Designed and coded Win Forms using C#.NET.
• Worked on automated UI Acceptance testing using Xamarin Test Cloud.
• Developed WCF service to be used by teh ASP.NET applications
• Developed User Interface utilizing MVC design pattern with C#, Used Razor Views Visual Studio 2017
• Created Web pages for screen navigation to generate pdf documents by user events.
• Used JSON for Web API and Data binding using Angular.JS.
• Managed and maintained Oracle and NoSQL databases in production domain.
• Developed component repositories which process RABBIT MQ message queues to extract data and tan perform CRUD operations into various tables into SQL Server databases.
• Created Directives in AngularJS for additional DOM manipulation, integrated into Razor
• Created Factory Services to call REST Controller to get required JSON data.
• Implemented Code First utilizing Entity Framework.
• Implemented customized Logging.
• UsedC# in Xamarin to create native mobile application.
• Implemented FileNet methods like Get URL, Get Content URL, Get Doc Class, Get All Choice List, and Get Document Property in C# using WebAPI and MVC frameworks like interface to utilize service in other projects.
• Implemented SOA architecture and used RESTful Services as service layer.Net Web API.
• Created libraries for common usage of sending email notification in HTML format.
• Analyzed, developed and troubleshooting C# code to fix defects in functional builds in .Net framework 3.5.
• Designed and developed teh Data access layer using Entity Framework integration.
• Used LINQ to SQL, LINQ to Entities, LINQ to XML and LINQ to Objects for retrieving teh data efficiently.
• Involved in writing stored procedures using PL/SQL.
• Used NUnit framework to test Service methods.
• Responsible for designing theUI usingHTML, JavaScript, jQuery, Angular 2, CSS, Xamarin.
• Configured Log4Net to handle error messages.
• Developed teh Web Application in ASP.Net 3.5 using Master Page, Themes skins to maintain teh consistent look and feel throughout teh application.
• Created TypeScript reusable components and services to consume REST API's using Component based architecture provided by Angular 2/4.
• Created and maintained database objects like complex Stored Procedures, Triggers, Cursors, and Tables, Views and SQL Joins.
• Prepared test cases and provided support to QA team in UAT. Worked closely with DevOps team to set up CI/CD pipeline using Jenkins, Ansible, AWS, Maven and GIT.
• Implemented Unit Testing using Rest Client, Postman for API, and Moq testing to test backend.
• Involved in meetings with business users and QA team.
• Participate in technology/tools evaluation and software technical proof of concepts.

Environment: Windows Server 2008, Visual Studio .NET 2017, C#, Resharper, ASP.NET MVC, LINQ, SQL Server 2016, Entity Framework, HTML5, CSS3, AngularJS, JavaScript, AJAX, XML, JSON, XSLT, XPATH, Unity, (IoC), TFS

Confidential, Irving, TX

Sr. Net Developer

Responsibilities:

• Design and developed teh application using Jakarta Struts Framework which is based on Model View Controller design pattern.
• Understanding functional specifications and documenting technical design documents for teh SDR Project.
• Worked in Agile methodology for software development. Involved in daily scrum meetings to self-organize and complete work.
• UsedADO.NETand its components Data Reader, Dataset, Connection and Data Adapter to access theSQLdatabase.
• Initially developed POC using Web API 2.0, Entity Framework, and OAuth 2.0/OWIN Middleware with Oracle as backend.
• Created MicroService to provide RestFul API/ Rest API utilizing Spring Boot with Spring MVC.
• Worked on Camera Integration usingXamarin Formsusing dependency Injection.
• Designed and Developed Web Services to synchronize data from Remote application database to Online Database using C .Net, ASP.Net, Visual Studio.
• Creation of test databases/ Alteration of DB2 Objects.
• Designed and documented REST/HTTP APIs, including JSON data formats and API versioning strategy.
• Developed front end using Bootstrap, HTML5, CSS3, Dev Express, JQuery, JavaScript and Knockout.
• Integrated inversion of control (IOC) and mock (Moq) for Unit Testing.
• API is secured using teh popular OAuth 2.0 standard, and communicates with teh client using JSON.
• Designed and developed teh Data access layer using Entity Framework integration.
• Provided guidance for architecting a highly scalable solution.
• Developing XML Web Services in C# and SOAP for information exchange across applications.
• Involved in writing stored procedures using PL/SQL.
• UsedASP.NET MVCframework to support teh use ofDependency Injectionto inject objects into a class, instead of relying on teh class to create teh object itself.
• Implemented Web API caching using CacheCow.
• Configured JSON format to enable cross domain calls.
• Used Auto Mapper to map Data and Business layer classes.
• Implemented best practices such as exception handling, logging, test-driven development, separation of concerns, dependency injection etc.
• UsedXamarin Insightsfor analytics and error handling.
• Used Moq framework to test teh API controllers.
• Used NUnit framework to test Service methods.
• Creating teh front end of teh application inAngularJs2and Bootstrap providing rich user interface including JavaScript,angularJs2and REST API
• Assisted with deployments of new instances of MongoDB and upgrades to all of our environments.
• Configured Log4Net to handle error messages.
• Deployed Services to Windows Azure.
• Prepared test cases and provided support to QA team in UAT.
• Used SVN for version control and change management.

Environment: ASP.NET 4.5, C#, Web API 2.0, OAuth, JavaScript, JQuery, HTML5, Oracle 11g, Entity Framework 6.0, Razor, Bootstrap, NUnit, Log4net, Auto mapper, Unity, Mock, GIT.

Confidential, Reston, VA

Sr. Net Developer

Responsibilities:

• Worked through all phases of teh application software lifecycle (SDLC) including design, development, testing and deployment of teh application.
• Participated in design reviews, code reviews and proposed solutions to teh business problems.
• Designed teh UI application by Following MVC 3/4 architecture
• Used Razor Views to enable fast coding work flow.
• Created Typescript reusable components and services to consume REST API's using Component based architecture provided by Angular 2.
• Used JSON for Web API and Data binding using Knockout.JS and AngularJS.
• Designed, developed user interface look and feel and functionality for web users using XML, HTML, JavaScript Libraries, JQuery, DHTML, XHTML, BootStrap.
• Developed several new Microsoft Access databases upon requirement.
• Created user interface using native elements with teh help of Xamarin. IOS.
• Used ASP.NET web form controls such as Grid View, List View, etc. for displaying data.
• Implemented Data Access layer, Application validation, Exception handling. And customized Logging.
• Created libraries for common usage of sending email notification in HTML format.
• Developed teh screens for teh Admin for instrumentation.
• Made full use of .NET object oriented features(C#), event handling, error handling, caching and security feature.
• Worked on Procedures in-order to access teh Data Base for teh front-end application using SQL Server
• Created teh entire code behind by usingMVC Framework.
• Created user access control to restrict users based on user roles.
• Created numerous remote Exchange PowerShell scripts for accessing Active directory from CAS servers.
• Embedded PowerShell scripts into windows scheduled job to run remotely (employed Kerberos autantication only)
• UsingSQLdeveloped stored procedures, triggers to support data requirements.
• Implemented OAuth 2 Web Services usingXamarin. Auth
• Created exchange PowerShell scripts for testing Active directory objects.
• Extensively used LINQ to Objects to query teh objects based on requirement.
• Created stored procedures for inserting, deleting and updating screens data into database using SQL Server.
• Created and modified existing Stored Procedures.
• Involved in Database Designing, Views and Stored Procedures and triggers in SQL Server and Oracle
• Involved in Unit testing and Integration testing with other modules.

Environment: ASP.NET 3.5/4, C#, Windows PowerShell 2.0, Visual Studio 2012/2010/2008 , LINQ, ADO.NET, HTML, DHTML, XML, XSL, XSD, SOAP, Web Services, Rest Service, SQL Server 2008, Knockout.JS, AngularJS, JQuery, CSS, AJAX, Node.JS