About The Position

ASSYST is seeking a Senior .NET Developer – Azure & AI Solutions to support our client in designing, developing, modernizing, and maintaining enterprise applications using Microsoft Azure and the latest .NET technologies. The ideal candidate will have extensive experience with .NET 8/.NET Core, C#, cloud-native application development, and Microsoft Azure , along with hands-on expertise in implementing AI-powered solutions using Azure OpenAI, Azure AI Foundry, AI Agents, and Retrieval-Augmented Generation (RAG) . This role requires a highly skilled professional who can modernize legacy .NET applications, design scalable cloud-native solutions, and collaborate with cross-functional teams to deliver secure, high-performing applications that leverage modern AI capabilities.

Requirements

  • Expert-level experience with C#, ASP.NET Core, .NET Core/.NET 8 , and cloud-native application development.
  • Strong experience developing applications on Microsoft Azure .
  • Hands-on experience with: Azure App Services Azure Functions Azure API Management Azure Service Bus Azure SQL Azure OpenAI Azure AI Foundry
  • Experience implementing AI Agents, Retrieval-Augmented Generation (RAG), prompt engineering , and GitHub Copilot for Developers .
  • Strong experience developing microservices , secure REST APIs, and implementing API security .
  • Experience with Microsoft Entra ID/B2C authentication .
  • Experience modernizing legacy .NET Framework/Web Forms applications to .NET 8 and cloud-native architectures.
  • Proficiency with GitHub or Azure DevOps , CI/CD pipelines, and containerization technologies.
  • Solid understanding of SQL , Cosmos DB , and modern UI frameworks such as Blazor, React, or Angular .
  • Exceptional analytical and problem-solving abilities.
  • Experience conducting feasibility studies and solution assessments.
  • Expertise in performing gap analyses and recommending practical technical solutions.
  • Ability to evaluate complex technical requirements and provide actionable recommendations.

Responsibilities

  • Design, develop, modernize, and support enterprise applications using C#, ASP.NET Core, and .NET 8/.NET Core .
  • Modernize legacy .NET Framework and Web Forms applications into modern .NET 8 and cloud-native architectures.
  • Design and implement scalable cloud-native solutions utilizing Microsoft Azure services.
  • Develop and integrate Azure services, including Azure App Services, Azure Functions, API Management, Service Bus, Azure SQL, Azure OpenAI, and Azure AI Foundry .
  • Build and implement AI-powered solutions using AI Agents, Retrieval-Augmented Generation (RAG), prompt engineering techniques, and GitHub Copilot for Developers .
  • Develop secure microservices and RESTful APIs while implementing modern API security practices and Microsoft Entra ID/B2C authentication .
  • Design and maintain CI/CD pipelines using GitHub or Azure DevOps .
  • Utilize containerization technologies to support cloud-native application deployment.
  • Work closely with client stakeholders and technical teams to evaluate business requirements and recommend scalable technical solutions.
  • Conduct feasibility studies, solution assessments, and gap analyses to support application modernization initiatives.
  • Analyze complex technical challenges and provide effective, innovative solutions.
  • Communicate technical concepts clearly to project teams, stakeholders, and leadership while collaborating effectively across cross-functional teams.
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