Keystone a division of Valsoft is seeking a highly motivated Fullstack Developer to support and modernize our Microsoft-based application stack This role involves maintaining and enhancing an existing legacy ASP application assisting in the transition to modern technologies e g Blazor NET Core integrating with ValPay and managing CI CD pipelines and IIS-hosted infrastructure We are open to junior candidates with high learning capacity and strong technical fundamentals who are eager to take ownership and grow within a fast-paced pragmatic development environment Key Responsibilities Maintain and extend a production ASP Classic ASP NET Web Forms application with high attention to quality security and performance Modernize components of the application using Blazor WebAssembly C and NET Core as part of a long-term migration strategy Integrate ValPay Valsoft s preferred payment solution into the existing payment workflows ensuring PCI-compliant implementation and smooth user experience Manage and troubleshoot Windows Server environments particularly IIS-hosted applications ensuring reliability and minimal downtime Design implement and improve CI CD pipelines leveraging GitHub Actions Azure DevOps or comparable tools Document systems processes and technical decisions clearly and thoroughly Requirements Proficiency in C and NET Core NET 6 ASP NET Blazor WebAssembly Razor Components Familiarity with legacy ASP or ASP NET Web Forms applications Experience with CI CD pipelines e g GitHub Actions Azure DevOps Jenkins Solid understanding of Microsoft IIS administration including deployment troubleshooting and log analysis Working knowledge of HTML CSS JavaScript particularly in the context of Blazor or WebAssembly Comfort with Git-based workflows and branch strategies Strong analytical and problem-solving skills Excellent verbal and written communication Preferred Qualifications Familiarity with payment integration libraries e g Adyen Stripe Exposure to multivalue databases Understanding of DevOps practices and the software development lifecycle SDLC Experience with automated testing and test-driven development TDD Ability to thrive in a hybrid legacy-contemporary codebase and help reduce technical debt incrementally

📌 Fullstack Developer - Dotnet (Tamil Nadu)
🏢 Valsoft
📍 Tamil Nadu