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Senior .net/pos Point Of Sale Developer Resume

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Irving, TX

SUMMARY

  • Full stack .NET Consultant with over 15 years of experience in software development life cycle.
  • 14 years of C#, ASP.NET Core, ASP.NET MVC, webAPI, Entity Framework, LINQ development experience.
  • 7 Year of experience in designing Enterprise level web application using various UI Frameworks namely Bootstrap, KendoUI and webAPI on services layer. Used Unit of Work with Repository Pattern to design CRUD operations using Entity Framework Code First Approach. Design Dapper for CRUD operations to dynamically bind data to class in Entity Model.
  • Experience inProjectmanagementmethodologies(AGILE SCRUM, Waterfall).
  • Expertise in developing applications with design patterns MVC, MVVM, Factory and Singleton Patterns, Chain of Events, Repository Pattern.
  • Over 3 year of experience in Angular development with Typescript. Experience in migrating projects to Angular 4.
  • Hands on experience in setting updatabasein AWS usingRDS,storageusingS3 bucketand configuring instance backups to S3 bucket to ensure fault tolerance and high availability.
  • Extensive experience in setting up the CI/CD pipelines usingJenkins, Maven, Nexus, VSTS.
  • Use Teamcity, Bamboo and Octopus builds to automate the process of building the services and automate the build and propagate new build to the private cloud platform.
  • Proven ability to lead, mange project resources, interact with clients, coordinate and work in achieving high levels of productivity and efficiency in complex, dynamic and challenging environments.
  • Supervised teams in design, development and documentation activities, also monitored performance evaluation and mentored the team in IT skills like Bootstrap framework, AngularJS. Conducted interviews to on - board resources to projects as per client’s requirement.
  • Excellent analytical, troubleshooting ability, communication, Knowledge transfer and interpersonal skills with ability to interact with individuals at all the levels.
  • Designed and Implemented Services using webAPI and SQL Dapper to for XML HTTP Requests.
  • Developed variety of .NET Framework Applications including Windows Communication Foundation (WCF), SOAP API, REST API, MVC, Web Services and Windows Services in the Agile world of Rally.
  • Strong technical knowledge of Responsive SPA(Single Page Application) using JavaScript MVVM FrameworksinAngularJS and Angular, Node.js, WebSocket, Twitter Bootstrap Framework and CSS3 Transformation Visual Effects, JavaScript, HTML5.
  • Extensive understanding of HybridMobile Responsive Design FrameworkswithJQuery Mobile, Kendo UI, Sencha Touch, Google Maps, WebSocket, WebSQL and local storageandMobile Angular UI, JQuery UI, Cordova and Xamarin Framework.
  • Experienced in MongoDB for storing the data individually.
  • Experience working with relational database like Oracle, MS-SQL Server, creating complex stored procedures involving triggers and built in as well as functions.
  • Experience working with Source Control tools namely TFVC (Team Foundation Version Control), VSTS, CVS (Concurrent Version Systems), TOAD and TFS Git.
  • Experience in TDD Test Driven Development with continuous integration and ability to create Unit Test cases to provide extensive code coverage of the application, significantly reducing the bugs generated due to continuously changing code and merging of several code base during the process of various environmental builds and code deployment
  • Experience in writing services to store and retrieve user data from NoSQL database like MongoDB
  • Experience in POS devices and Payment Processing Gateway at Confidential .
  • Developing and Enhancing code used in POS devices, Middleware and Fuel Sales modules at Confidential, Inc. In corporate Mobile Apps to interact with Confidential stores and facilitate the use of Mobile for buying Gasoline at P66 Branded Confidential stores.
  • Worked with Design patterns like the Façade, Adapter, Decorator, Observer, Mediator, Shortbus to resolve the complex problems while designing applications for enterprise.

TECHNICAL SKILLS

ASP.NET: Programming with C#, MVC, WebAPI 2.0 with .NET Core and Microservices.

Framework: .NET 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, Entity Framework 5.0, 6.0

Client Side: HTML5, JQuery, JQuery UI, JQuery Mobile, CSS3, Bootstrap, KendoUI, AngularJS, Angular

RDBMS: SQL Server 2000, 2005, 2008, 2012, Oracle, NoSQL DbThird Party Tools: Infragistics tools, Web Grid, Flex Grid, Angular Controls

Operating Systems: Windows 8, Windows 7, Windows 2008 Server

Testing Tools: QTP 10.0, Mercury QC.

Applications: Microsoft Office, VSS, TFS, SVN, VSTS

Domain Experience: Banking/Insurance, Telecom/Billing, CMS, ERP, Property Management.

Mobile Apps: Using mobile APIs and plugins with cordova, responsive web UI using Bootstrap Framework. Implement Google Maps and various Maps API.

PROFESSIONAL EXPERIENCE

Confidential, Irving TX

Senior .NET/POS Point Of Sale Developer

Responsibilities:

  • Design and Develop Enterprise Level Service Layer to interact with P66 EDH Enhanced Dispensing Hub, Confidential RIS Retail Info Systems and facilitate sale through single KIOSK.
  • Design and Develop UI interface using Angular4 and HTM5 and CSS.
  • Used Angular UI grid to display data. Using the various filtering, sorting, pagination and late binding features of the ui grid to seamlessly bind the data from the database and make the service available for async calls.
  • Designed and Developed SSIS packages to import/export data for various upstream and downstream applications.
  • Design and Develop services which interact with various POS devices and third party PSPs.
  • Create Secure web Services using Point to Point Encryption during POS(Point Of Sale) activities to significantly improve consumer card payment security by providing features for reducing fraudulent payments that result from counterfeit and lost and stolen cards.
  • Migrating EDH and RIS systems to Enable cardholders to use secure EMVCo Europay MasterCard Visa Contactless payment cards.
  • Prepare POS devices for NFC Near Field Communication mobile non-EMV contactless payment.
  • Deploy Core services in the MPPA server using Docker.
  • Use various tools to debug and test services and data flow on the various Instore and out store devices in the state of art dev labs.
  • Integrate cloud based mobile PSP Payment Service Providers for Major Oil Companies at their Confidential branded store.

Confidential, Austin

Senior .NET Developer

Responsibilities:

  • Design, Develop, Certify and Document the REST and SOAP version of the API for users interact
  • Designed and implemented Credit card hosted Payment page, Invoice Templates with validations using Angular 4 and Material Design and Typescript, CSS3 and HTML5.
  • Create Secure web Services using 3DES Triple DES Transform and other encryption algorithms and technologies to provide a robust web API model for sensitive data transfer from VT(Virtual Terminals) and POS(Point Of Sale) at various merchandise across the globe.
  • Developed Credit card payments Micro service using .NET Core.
  • Work with token and certificates. Deploy the services to using Docker.
  • Work in Lean Agile environment using tools like JIRA and Confluence, interact with client and gather requirements, analyse, document and propose architectural design using various Design Patterns to implement it into a feasible solution.
  • Create Unit Test Cases and Integration Test Cases, for maximum code coverage.
  • Design code using the SOLID principles.
  • Create Workflow diagrams in VISIO.
  • Create Docker files and make docker Images which were then used to promote to test environments for QA activities.
  • Create builds using TeamCity and Octopus Deploy the Microservices using .NET Core and Docker.

Confidential, Plano

Senior .NET Developer

Responsibilities:

  • Designed and developed a loosely coupled web application comprising of an independent client using AngularJS and KendoUI which in turn makes XHR call XML over http request to furnish data from ASP.NET WebAPI service.
  • Created a generic Data Model using SQL Dapper/Structure mapper to typecast data to the models being passed as parameter.
  • Involved in designing the N Layered architecture of the application with SPA client interfacing with the web API and the webAPI interface with BL layer and DAL layer to expose the stored proc call to the database.
  • Agile Implementation in Rally, Code Review, Code Integration and Deployment, UI Design using KendoUI and Implementation. Creating webAPI for web-UI interface with the database. Writing complex stored procedures.
  • Securing the webAPI to allow only users from restricted AD Groups. Enabling Role based access.
  • Deploying the webAPI service and the angular web application on the IIS for the Dev Box.
  • On boarding new team members and walking them through the entire application and setting up their workstations to make this them development ready
  • Developing sql scripts, with effective transformation rules for various DB objects to load data from source to DWH layer with multiple levels of transformation
  • Branching, merging and deploying the Application from TFS. Deploy the application in various environments.

Confidential

Responsibilities:

  • Trouble shoot, debug and resolve data issue pertaining to various UI applications in the system.
  • Develop, Implement, deploy and maintain WCF Web services based on IF Framework
  • Create workflows and troubleshoot them.
  • Create MSI Packages and deploy them.
  • Manage and delegate work to offshore team.

Confidential

Senior Consultant - Tech Lead

Responsibilities:

  • Designed and developed an N Tier architecture using the modular design pattern i.e designed a loosely coupled web application making XHR calls to fetch data over the wire, with SQL Dapper to interact with the database stored procedure.
  • Build dynamic role based Navigation Menu for the app. Roles being fetched from the User groups in the active directory.
  • Designed and developed the interface between webAPI and the database using SQL Dapper.
  • Estimation for project, Agile Implementation, Code Review, Code Integration and Deployment, UI Design and Implementation. Creating webAPI for web-UI interface with the database. Writing complex stored procedures.
  • Mentor the team to ramp up from ASP.NET MVC to AngularJS, which was the UI standard followed by the IT team at Confidential .
  • Securing the webAPI to allow only users from restricted AD Groups. Enabling Role based access.

Confidential

Senior Consultant

Responsibilities:

  • Build the responsive web application from Ground up using Bootstrap Framework.
  • Create custom pages from wireframes provided by the Design team
  • Agile Implementation, Code Review, Code Integration and Deployment, UI Design and Implementation. Preparing unit test cases with Rhino Mocks.
  • Used SOLID principles while created classed and plugins.

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