> Markdown version of [/jobs/ext/4409407-senior-c-net-software-engineer-ai-agentic-systems](https://www.wearedevelopers.com/jobs/ext/4409407-senior-c-net-software-engineer-ai-agentic-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior C#/.NET Software Engineer - AI & Agentic Systems - **Company:** THE PHOENIX - **Location:** Mundelein, IL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Applications Architecture, ASP.NET MVC Framework, Microsoft Azure, C Sharp (Programming Language), Continuous Integration, Python (Programming Language), Object-Oriented Software Development, Windows PowerShell, OpenAI, Cloud Services, Salesforce.Com, Microsoft SharePoint, Software Deployment, Software Engineering, SQL Databases, Systems Integration, Enterprise Software Applications, Cloud Platform System, .NET Core, Large Language Models, Aderant, Backend, Agentic-AI, Web Technologies, Restful APIs, Model Context Protocol, Workday - **Published:** October 27, 2026 - **Apply:** https://www.thejobnetwork.com/job/c1f5d3c3-6266-42e7-9bb2-fdd9dd8d0d96/senior-cnet-software-engineer-ai-agentic-systems ## About the Role * 5+ years of professional software engineering experience, ideally with significant hands-on experience in C#/.NET. \n * Strong experience building production applications using C#, .NET / .NET Core, ASP.NET MVC/Core, REST APIs, and SQL. \n * Strong software engineering fundamentals including application architecture, APIs, object-oriented development, testing, CI/CD, and production deployment. \n * Hands-on Python development, particularly for AI applications, backend services, APIs, or automation. \n * Experience integrating LLMs into production software applications. \n * Experience working with OpenAI APIs or comparable LLM APIs/platforms. \n * Experience building AI agents, agentic workflows, or AI-enabled application features. \n * Hands-on experience with Model Context Protocol (MCP), ideally including development of custom MCP servers or tools. \n * Understanding of authentication, authorization, APIs, and secure service-to-service communication. \n * Experience with cloud environments such as Azure or AWS. \n * Ability to take ownership of complex engineering problems from architecture and design through production deployment. \n, * Experience in the legal industry. \n * Experience with iManage Cloud API, PowerShell, Salesforce, SharePoint, Azure DevOps, Aderant, Workday. \n ## Description * Design, develop, and maintain enterprise applications and services using C#, .NET, ASP.NET MVC/Core, SQL, and modern web technologies.