Senior AI Engineer - .NET/C# & Azure AI

Relevance Lab Inc.; Coppell (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Relevance Lab Inc. is seeking a Senior Software Engineer - AI for onsite work in Coppell, TX.

You will design, build, and deploy enterprise-grade .NET/C# solutions and AI-powered agents on Microsoft Azure, leveraging Azure OpenAI, Azure AI Foundry, and related frameworks. You will lead memory management, RAG pipelines, and tool orchestration while mentoring junior engineers and collaborating with product, data science, and DevOps teams.

Qualifications

• 9+ years in software development with .NET and C#.
• 1+ years of experience developing AI solutions and agents using Microsoft technologies.
• Strong understanding of prompt engineering, context engineering, and LLM-based architectures.
• Experience with RESTful APIs, microservices, and cloud-native development.
• Familiarity with CI/CD pipelines, Git, and agile methodologies.

Responsibilities

• Design, develop, and maintain scalable .NET/C# applications and services.
• Design and implement AI-powered solutions using Microsoft Azure AI services, including Azure OpenAI, Azure AI Foundry, Cognitive Services and Microsoft Agent Framework.
• Build and deploy intelligent agents that integrate with enterprise systems and workflows.
• Apply prompt engineering and context engineering to optimize agent behavior and model outputs.
• Integrate retrieval-augmented generation (RAG) pipelines to enhance agent knowledge and responsiveness.
• Leverage tool use orchestration and action planning to enable agents to interact with external systems and APIs.
• Implement memory management strategies for agents (episodic, semantic, and working memory).
• Use state management, goal tracking, and feedback loops to support autonomous decision-making.
• Evaluate and verify AI agents using various techniques and tools.
• Collaborate with cross-functional teams including product managers, data scientists, and DevOps to deliver high-impact solutions.
• Conduct code reviews, mentor junior engineers, and contribute to best practices in software development and AI integration.
• Stay current with emerging technologies and trends in AI, machine learning, and software engineering.

Skills

Problem-solving

Communication

Collaboration

Education

Bachelor's or Master's degree in Computer Science or related field

Tools

NET/C#

Azure OpenAI

RESTful APIs

Microservices

CI/CD

Git

Azure AI Foundry

Cognitive Services

Agent Framework

Job description

Relevance Lab Inc. is seeking a Senior Software Engineer - AI for onsite work in Coppell, TX.

You will design, build, and deploy enterprise-grade .NET/C# solutions and AI-powered agents on Microsoft Azure, leveraging Azure OpenAI, Azure AI Foundry, and related frameworks. You will lead memory management, RAG pipelines, and tool orchestration while mentoring junior engineers and collaborating with product, data science, and DevOps teams.