Dot net Developer

Responsibilities• Enhance and maintain our main web application, ASCLOGS, built on ASP.NET MVC(.NET Framework 4.8) with features such as authentication, PDF generation viaIronPdf, audit logging with log4net, Twilio SMS integration, and data access throughPetaPoco.• Support multiple companion projects including:• CopyForm, an MVC tool that copies form templates between SQL Serverdatabases using AJAX and PetaPoco data access.• SQLImportApp, a WinForms importer leveraging ExcelDataReader andZ.Dapper.Plus for bulk inserts.• DEAVerification, a WinForms app automating data retrieval via SeleniumWebDriver and storing results with PetaPoco.• UniversalScrapperAPI, an ASP.NET Web API that scrapes licensinginformation using Selenium and logs results with log4net.• HL7DocAssistantSync, a VB.NET library for HL7 message processing andPDF generation with PdfSharp.• ChatGPT Implementation, a .NET 8 Web API example showing how weintegrate with OpenAI's ChatGPT service.• S3MicroService, a .NET 8 Web API using AWS SDK packages(AWSSDK.S3, AWSSDK.Extensions.NETCore.Setup) and Entity FrameworkCore for storage.• Maintain PowerShell utilities used for onboarding tasks such as document-to-PDFconversion and CSV generation.• Review existing code to improve reliability, enhance testability, and refactor largecode files (for example, BusinessLayer/BusinessLayer.cs is roughly 28k lines).• Work closely with stakeholders to gather requirements for new features and ensurecompatibility with our SQL Server backend.• Assist in modernizing legacy components and implementing best practices forsecurity, error handling, logging, and deployment automation.Required Skills• 10+ years of development experience• Extensive experience with C# and the .NET ecosystem, including both legacy .NETFramework and modern .NET Core / .NET 8.• Solid understanding of ASP.NET MVC, Web API, and Windows Forms development.• Familiarity with PetaPoco, Entity Framework Core, and SQL Server.• Experience integrating third-party services such as Twilio, OpenAI, SeleniumWebDriver.• Ability to write and troubleshoot PowerShell scripts for automation tasks.• Comfortable navigating large codebases and improving code quality throughrefactoring, unit testing, and documentation.• Proficiency with version control (Git) and the Visual Studio toolchain.Preferred Skills• Background in healthcare or regulated industries, since many applications managesensitive data (e.g., DEA verification, HL7 messaging).• Knowledge of PDF generation libraries (IronPdf, PdfSharp) and logging frameworks(log4net).• Experience with CI/CD pipelines for .NET applications.• Nice to have Unit Testing frameworks (i.e. NUnit, MS Testing Framework )Location & Work EnvironmentThis role requires working with Visual Studio on Windows for the .NET Framework solutionsand .NET 8 projects. Experience with IIS or IIS Express is helpful for local development andtesting.