W2 Only | Senior .NET/C# Engineer with AI | Coppell, TX | Onsite | Long Term Job at TMS LLC, Coppell, TX

  • TMS LLC
  • Coppell, TX

Job Description

Job Description



Role: Senior Software Engineer (.NET/ C#) with AI

Duration: Long Term

Location: Coppell, TX- Onsite

 

We are seeking a highly skilled and forward-thinking  Senior Software Engineer  with over 9 years of experience in designing and developing enterprise-grade solutions using  .NET and C# , and at least 1 year of hands-on experience building  AI solutions and intelligent agents  on the  Microsoft platform . The ideal candidate will be passionate about leveraging  Prompt Engineering ,  Context Engineering, RAG, Vectorization & Indexing , and modern AI techniques to drive innovation and efficiency across our technology stack.

 

Key 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.

 

Required

Qualifications

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
  • 9+ years of experience in software development using .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.
  • Excellent problem-solving, communication, and collaboration skills.

 

Preferred

Qualifications

  • Experience with Azure OpenAI, Azure AI Foundry, Semantic Kernal Framework, AutoGen, Lang Graph, Machine Learning, or other Microsoft AI platforms.
  • Knowledge of NLP, generative AI, and conversational agent design.
  • Certifications in Microsoft Azure or AI-related technologies.
  • Contributions to open-source projects or technical blogs.

Additional Information



All your information will be kept confidential according to EEO guidelines.

Job Tags

Contract work

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