Tarek Selem

- Developing the Studio web portal using ReactJs. - Developing Backend (AWS, Lambda, Amplify, GraphQL, and DynamoDB). - Performing code reviews. - Mentoring junior colleagues and newcomers.

- Performed DDD micro frontend projects using Angular 13, NgRx and Angular Material. - Built dynamic forms depends on the HTTPS REST API response. - Developed communication between the application and a SignalR web service. - Did code reviews through Gitlab. - Developed Unit tests.

- Developed features for an existing Supplier Relationship Management System using Microsoft-Stack integrated with SAP. - Developed system workflow approvals state machine using Workflow Engine. - Developed unit tests using NUnit, Rhino Mocks. - Built MS SQL Server Database Maintenance jobs based on "https://ola.hallengren.com" scripts. - Built integratable jobs and unit tests to verify databases integrity with other environments. - Optimized database Indexes, Deadlocks and System ORM Query performance.

- Developed high scale integration between MS Dynamics CRM and Payroll, Supply Chain and Accounting system for an international Canadian customer. - Developed system reports using MS SSRS. - Participated in designing and implementing MS Dynamics CRM solutions. - Developed MS Dynamics CRM using custom steps and workflows using .NET. - Developed Web pages using ASP.NET integrated with MS Dynamics CRM.

- Developed SPA enterprise web application using Angularjs, Restful APIs, MS SQL Server and Azure cloud. - Developed a mobile app using Xamarin.Forms. - Developed features for an existing Car rental middleware system using Microsoft-Stack and Azure cloud. - Developed a single sign-on authentication layer by Azure Active Directory using .NET. - Developed a high-scale medical system integrated with medical insurance and online payments services for a huge medical chain in U.S.