Job Title: C# .NET Full Stack Engineer (AI/LLM)
Location: Canada (Candidates must be currently based in Canada)
Employment Type: Long-Term Contract
About the Role
We are seeking an experienced C# .NET Full Stack Engineer with strong expertise in modern backend and frontend development, cloud technologies, and AI-powered application development. The ideal candidate will have hands-on experience building scalable enterprise applications using C#/.NET, Azure, Next.js, and React, along with practical experience integrating Large Language Models (LLMs) such as OpenAI, Azure OpenAI, or Anthropic into production applications.
This role involves designing, developing, and maintaining cloud-native applications while building intelligent AI-driven solutions that leverage modern architectural patterns and distributed systems.
Key Responsibilities
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Design, develop, and maintain scalable backend services using C#/.NET and modern software architecture principles.
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Build responsive and high-performance web applications using Next.js and React.js.
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Integrate AI/LLM services such as OpenAI, Azure OpenAI, or Anthropic into enterprise applications.
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Develop AI-powered workflows including document processing, Retrieval-Augmented Generation (RAG), prompt engineering, streaming responses, and human-in-the-loop solutions.
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Design and develop REST APIs, microservices, and asynchronous processing services.
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Build event-driven solutions using messaging platforms such as Azure Service Bus, RabbitMQ, or similar technologies.
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Design and optimize document-based data models using Cosmos DB or other NoSQL databases.
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Collaborate with cross-functional teams to design scalable, secure, and maintainable application architectures.
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Participate in code reviews, technical design discussions, and architecture planning.
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Utilize modern AI-assisted development tools such as GitHub Copilot, Cursor, or Claude Code to improve development productivity.
Required Skills
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Strong experience with C#, .NET, and ASP.NET Core.
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Experience designing and developing REST APIs and microservices.
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Hands-on experience with Azure Cloud services.
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Strong frontend development experience with Next.js and React.js.
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Experience integrating OpenAI, Azure OpenAI, Anthropic, or similar LLM platforms.
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Knowledge of AI concepts such as prompt engineering, streaming responses, RAG, document processing, and hallucination mitigation.
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Experience with event-driven architectures using Azure Service Bus, RabbitMQ, or similar messaging technologies.
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Experience designing and optimizing Cosmos DB or other document-oriented NoSQL databases.
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Strong understanding of distributed systems, scalability, and cloud-native application architecture.
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Excellent problem-solving, communication, and collaboration skills.
Preferred Qualifications
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Experience with AI-enabled enterprise applications.
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Knowledge of Clean Architecture and modern .NET development practices.
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Experience with Docker, Kubernetes, and CI/CD pipelines.
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Familiarity with Azure DevOps and cloud deployment best practices.
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Experience working in Agile development environments.
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