Worked with C# with MVC, Rest API, JSON, NHibernate and Dapper,Worked several projects to add some new endpoints, swagger, docs, and improve the performance.Made a lot of refactors to have the functions to be reusable and more clean.Worked with RabbitMQ for the notification events.TeichertMaintained and developed for both frontend (80%) and backend (20%).Worked with ReactJS Hooks with Javascript, RestAPI, C#, MS-SQL and Azure CosmosDB.Built many screen and reusable widget components, and some libraries such as Antd and Visx for the desktop, tablet, and mobile views.Refactored many different components including the top, left side, and carousel footer navigation menus.

Worked with AngularJS, bootstrap, .NET C# Core and Framework, SQL Server,Vue, MVC, IIS, JavaScript, CSS, SCSS, Webpack, and Html.Worked 2 projects to develop the 2 web applications with multiple formsfrom scratch. Also, There was no dependency injection nor andunit tests before I created them.Made numerous AngularJS directives to make the html pages more lightweight.Made a lot of refactors to have the functions to be reusable and more clean.

Designs, modifies, develops, writes and implements software programming applicationsParticipates in the testing process through test review and analysis, test witnessing and certification of softwareDeveloped and migrated from WinForms and GWT to React Native on the front-end and improving SQL performance and refactoring on back end.Assign and manage project tasks, ensuring tasks are completed by assigned developers on time and in accordance with standards and guidelinesMaintenance the legacy web pages with some Razor syntax.. Created publish/subscribe for the workflows with events and actions to publish to the email or notification on those partners subscribe.Worked with Python developing the UI with some scenarios for the QA Automation tests such as login, capture elements, invoke click or enter, and etc to success or fail result using Flask and Selenium in PyCharm IDE.Using C#, Java, React Native, Typescript, JavaScript, JQuery, GWT, GXT, CSS, SCSS, CSS3, SVG, Canvas, SQL Server, T-SQL, Dapper, ASP .Net, Rails, WSDL, MVC, IIS.SCRUM using Kanbanize and JIRA - 2 weeks sprintCreated new widgets, screens, containers, pods, dialogs with Redux React since it uses state/prop and easy to test with.. I have also created a lot of Restful API endpoints including the controller, repository, validator, data access layer, and unit tests with jest and mock.Learning Angular and React in the training.Developed a whole Gantt chart with a calendar project by myself where we can drag and drop with CSS arrow lines and images.Improved performance and refactored in the back end as we migrated from EF to Core with Dapper. Improved SQL query using dynamic stored procedures.Developed the HTML with markdown support for the outlook and gmail emails and the markdown in React too..Worked with DevOps and CI/CD teams with GIT CPR, code review, deploy, automation tests in the AWS Environment.

App-licate LLC• Developed the website that will scrape data from public counties databases after clicking a property on the map using ASP.NET, AJAX, C#, SQL Server 2005 and IIS 7.0. • Developed the Point-to-Indicate utility for the Windows Mobile & Android platform with map including pan/zoom. • Planned to develop the Point-to-Indicate for the iPhone and Blackberry with the map activityGigaGolf, Inc• Developed table where user can check out and buy the pre-owned clubs with JavaScript clock countdown using J2EE, Serlvet, CSS, D-HTML, JSP, and JDBC on Tomcat server.

I was a role to develop the mobile application for the iPhone, Windows Mobile, BlackBerry, and Android.Geodexy is a simple-to-use web service for gathering information in regards to one or more locations.Developed Geodexy applicationfor the iPhone platform using Objective-C on Mac OS X Snow Leopard.90% developed on Geodexy for the Windows Mobile platform using C#.NET.Both platforms are interfaced with Ruby on Rails.Have developed plenty of serial ports, reading GPS, static map API from Google, Yahoo, and MapQuest.

* Supported AT&T as our customer as subcontract.* Responsible to setup Remote Authentication Dial-In User Service (RADIUS) on Windows 2000 with Active Directory and Internet Authentication Service (IAS) for IEEE 802.1x authentication protocol using Protected Extensible Authentication Protocol (PEAP) with MS-CHAP version 2 the strong encryption.* Fixed numerous graphic unit interface and function issues using on Visual Studio 2005 (C++).* Developed to have a client software to support Windows Mail on Vista on Visual Studio 2005 (C++).* Secured password fields to prevent Cain and Abel access.

* Developed and enhanced edit/update for customer’s address and credit card transaction including domestic and international address validation using XML and a United Parcel Service (UPS) online tool.* Built global shipping tools using Java Servlet and XML interfacing with United Parcel Service (UPS).* Maintained and enhanced the credit card process with PL/SQL.* Developed web application with mixed Flash and HTML interfaces.* Strong contributions for shopping cart, checkout prices, and transaction for user selection of golf clubs or accessories utilizing My SQL, Beans, Servlet, Java, JSP, XML, TagLib, CSS, XSD, HTML, and DHTML.* Experience with Sun's NetBeans IDE and operating the applications with Apache's Tomcat 4.1 and 5.5.* Added wish list, customer comments, rating and some more new features for the shopping cart, shipping options including international and checkout process.

Network Management Platform Application DevelopmentDeveloped web application for the intranet to work with routers data using PHP, UNIX script, HTML, Apache server and Tomcat on Windows platforms and Linux.Developed Java Telnet, Automation Configuration and VPN Snapshot applications including the access to trouble ticketing feature, Web Engine in Java including CGI, Perl, UNIX shell script, PHP, Remote Method Innovation (RMI).Developed a simple stress test, extended ping test, and an SNMP test for the new router enable in Java and C programming on AIX/Unix including designed and developed TCP/IP to pull the router configuration and data from client's side.Developed friendly-user GUI Java Automap with extensive use of Swing.Worked on Ticketing, which receives Master Cell events and opens the tickets in the Global Problem and Change System (GPCS); a UNIX environment using Java.Modified Publish/Subscribe adapter for Europe, Middle East, Asia (EMEA) and the U.S. to enable VPN snapshot utilizing AOTS, servlets, jsp, XML, and WSDL in Java and PHP using on Visual Studio 6.Improved the reliability of TicketStatAgent to recover from system-induced errors.De-compiled approximately 1,600 classes to source code; modified and re-wrote them before creating new classes for two different version of a java plug-in for the Total Control project using on Visual Studio 6.Total Control project utilized Oracle SQL and MS SQL database using JDBC and Java to insert and pull the data from table for Value Wise database. Fixed numerous of JSP and PHP scripts and servlets that were interfaced with Crystal Enterprise on web for the Total Control project.

Network Management Development.Developed multiple agent application using the C programming language. Each DNMS machine contained the polling engine and an alert filtering/correlation engine on the hub tree.Developed Security Manager in Java using User Datagram Protocol (UDP) and Transmission Control Protocol/Internet Protocol (TCP/IP).Fixed, created, installed, and maintained Netwatcher using C++ and MFC on Visual Studio 6.Developed and modified the Real-Time Traffic Management Agent Performance application for the Virtual Private Network (VPN) for the client and server to monitoring the routers and hubs using C, STL library including developed TCP/IP with firewall and NAT.Updating routers on MS-SQL Server.