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AI Engineer

Job in New York, New York County, New York, 10261, USA
Listing for: The Phoenix Group
Full Time position
Listed on 2026-10-05
Job specializations:
  • Software Development
    AI Engineer (Applied/Software), Backend Developer, Full Stack Developer, .NET Developer
Salary/Wage Range or Industry Benchmark: 140000 - 220000 USD Yearly USD 140000.00 220000.00 YEAR
Job Description & How to Apply Below
Location: New York

We are seeking a Senior Software Engineer – AI & LLMs to design, build, and integrate AI-powered solutions within a sophisticated enterprise technology environment.

The ideal candidate is a strong software engineer with experience building and architecting enterprise applications who has expanded into AI/LLM engineering
. This role requires strong Python skills and hands‑on experience building production AI applications, agents, and LLM-powered workflows.

Experience with C#/.NET and Microsoft-based enterprise applications is strongly preferred
.

You will work across existing enterprise applications and new AI initiatives, integrating both externally hosted models and internally hosted LLMs into business‑critical systems.

Responsibilities
  • Design, develop, and deploy production‑grade AI and LLM‑powered applications using Python.
  • Architect AI solutions that integrate with existing enterprise applications, APIs, databases, and business systems
    .
  • Build AI agents, agentic workflows, and autonomous processes to automate complex business tasks.
  • Design and develop custom MCP servers, tools, and integrations that allow AI systems to securely interact with enterprise applications.
  • Build solutions utilizing OpenAI APIs as well as internally/self‑hosted language models.
  • Work with local model inference technologies such as Ollama, vLLM, Hugging Face, LM Studio, or similar platforms
    .
  • Develop solutions utilizing RAG, embeddings, semantic/vector search, tool calling, prompt engineering, and LLM orchestration
    .
  • Evaluate and optimize models and AI workflows for performance, reliability, security, and scalability.
  • Develop evaluation and testing strategies for production AI applications.
  • Establish best practices around agent development, MCP, AI tooling, model integration, and AI‑assisted software development
    .
  • Collaborate directly with technical and business stakeholders to translate complex requirements into scalable AI solutions.
  • Evaluate emerging AI models, frameworks, developer tools, and infrastructure.
  • Participate in architecture discussions, code reviews, troubleshooting, and knowledge sharing.
Qualifications
  • 5+ years of professional software engineering, application development, or systems architecture experience.
  • Strong hands‑on development experience with Python
    .
  • Experience with C#/.NET, ASP.NET, or another enterprise application development stack strongly preferred
    .
  • Hands‑on experience building production AI/LLM applications
    , rather than solely prototypes or proof‑of‑concept projects.
  • Experience building AI agents, agentic workflows, or autonomous AI systems
    .
  • Experience with MCP (Model Context Protocol), including MCP servers, tools, or integrations.
  • Experience working with OpenAI APIs and/or other leading LLM APIs.
  • Experience with self‑hosted or locally deployed LLMs using technologies such as Ollama, vLLM, Hugging Face, LiteLLM, or similar.
  • Experience integrating AI into existing enterprise software and business applications
    .
  • Understanding of RAG, embeddings, vector/semantic search, tool calling, prompt engineering, and AI evaluation
    .
  • Strong knowledge of software architecture, APIs, databases, authentication, security, testing, and production development practices.
  • Experience with Azure and/or AWS
    .
  • Strong communication skills and the ability to collaborate with both technical and business stakeholders.
Preferred Qualifications
  • Professional experience with C#/.NET, ASP.NET MVC/Core, SQL Server, and T‑SQL
    .
  • Experience modernizing legacy applications or adding AI capabilities to existing enterprise software
    .
  • Experience with AI development tools such as Claude Code, Codex, Open Code, or similar technologies
    .
  • Experience creating reusable AI Skills, plugins, tools, or internal AI platforms
    .
  • Experience with Microsoft Entra , OAuth,…
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