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Agentic AI - Developer​/Architect Phoenix, AZ; Onsite

Job in Phoenix, Maricopa County, Arizona, 85044, USA
Listing for: AceStack
Seasonal/Temporary, Contract position
Listed on 2026-03-06
Job specializations:
  • Software Development
    AI Engineer, Machine Learning/ ML Engineer
Job Description & How to Apply Below
Position: Agentic AI - Developer / Architect || Phoenix, AZ (100% Onsite) || Contract
Only VISA Independent Candidates - USC/GC only

For Developer/Sr. Developer: 8-10 Years

For Architect: 12-15 Years

Role:
Agentic AI Developer

Location:

Phoenix, AZ (100% Onsite)

Employment Type:

Contract


Job Summary

We are seeking a highly skilled Agentic AI Developer to design, build, and optimize autonomous AI agent workflows for enterprise applications. The ideal candidate will have hands-on experience with LLMs, agentic frameworks, multi-step reasoning pipelines, orchestration tools, and integration of external systems/APIs
. This role requires strong practical implementation capabilities - not just experimentation.

Key Responsibilities
  • Design and develop autonomous AI agent workflows for decision-making, task coordination, and reasoning.
  • Build and optimize LLM-driven agents capable of planning, tool usage, retrieval, and iterative improvement.
  • Integrate agents with APIs, enterprise applications, knowledge bases, and vector databases
    .
  • Implement RAG (Retrieval-Augmented Generation) and prompt-chaining workflows for accuracy and reliability.
  • Evaluate multiple LLMs and frameworks to determine optimal model performance for different use cases.
  • Debug hallucinations, improve reasoning quality, and enhance agent reliability.
  • Collaborate with cross-functional engineering, product, and data teams to implement end-to-end agent workflows.
Required Skills & Experience
  • 9-12+ years of software development experience (Python preferred).
  • 2-5+ years hands-on experience with LLMs and Generative AI solutions.
  • Strong experience with Agentic AI frameworks (e.g., Lang Chain Agents, Auto Gen, CrewAI, ReAct, Function Calling frameworks, or similar).
  • Experience building RAG pipelines using Vector DBs (Pinecone, Weaviate, Chroma, FAISS, Elastic, etc.).
  • Proficiency with OpenAI, Anthropic, Gemini, or Llama model APIs.
  • Hands-on experience with orchestration tools
    :
    Azure OpenAI, Hugging Face, Llama Index, Databricks Model Serving, Ray, or Airflow.
  • Understanding of tool-use reasoning, multi-step planning, and agent feedback loops
    .
  • Strong debugging skills to reduce hallucinations & improve reliability of agent workflows.
Good to Have
  • Experience building enterprise copilots or workflow automation with AI
    .
  • Knowledge of MLOps
    , CI/CD pipelines, and model deployment best practices.
  • Experience with API integrations, microservices, and event-driven systems
    .
Work Environment
  • Location: Phoenix, AZ
  • Schedule: Onsite, 5 days/week
  • Type: Contract
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