Senior Full Stack .NET Developer Generative AI

At RPL International, we're looking for a Senior Full Stack .NET Developer to join an exciting technology project with our client in Doral, Florida.We're seeking an experienced developer with strong expertise in C#/.NET, Angular or React, Microsoft Azure, and Generative AI, capable of building scalable enterprise applications and integrating AI-powered solutions.Position DetailsLocation: Doral, Florida, USA.Work Model: 100% On-site (5 days per week).Compensation: $50–$55 USD/hour (DOE).Contract Type: 6-month Contract-to-Hire.Schedule: Monday–Friday, on-site (specific hours to be confirmed).Seniority: Senior Level.Key ResponsibilitiesDesign, develop, and maintain scalable full-stack applications using C#, .NET, and Angular or React.Build and integrate RESTful APIs and enterprise backend services using ASP.NET Core.Develop and deploy cloud-based solutions on Microsoft Azure.Integrate Large Language Models (LLMs) into enterprise applications using APIs such as Azure OpenAI or Claude.Implement AI-powered features, prompt engineering techniques, and Retrieval-Augmented Generation (RAG) solutions.Collaborate with cross-functional teams to deliver secure, maintainable, and high-performance applications.Required Qualifications5+ years of hands-on experience with C# and .NET (6/7/8).3+ years of experience with Angular or React and TypeScript.Strong experience developing ASP.NET Core APIs, RESTful services, and backend integrations.Hands-on experience deploying applications to Microsoft Azure, including App Services, Azure Kubernetes Service (AKS), or Azure Functions.Proven experience integrating Generative AI/LLMs into enterprise applications through APIs (Azure OpenAI, Claude, or similar).Experience with Azure AI Foundry, Prompt Engineering, and RAG architectures.Familiarity with Entity Framework Core, Dapper, SOLID principles, and design patterns.Experience with Azure DevOps, CI/CD pipelines, Git, and Agile methodologies.Nice to HaveSemantic Kernel, LangChain, or AI agent orchestration.Azure AI Search, vector databases, or Cosmos DB.GitHub Copilot, Claude Code, Cursor, or other AI-assisted development tools.Infrastructure as Code (Terraform/Bicep).Microsoft Copilot Studio, MCP, or Azure AI certifications.Interested in This Opportunity?If you're a passionate Senior .NET Developer who enjoys building modern cloud applications and leveraging Generative AI, we'd love to connect!