Jobs · Information Technology

Senior Agentic AI Developer

PlanIT Group, LLC · Arlington, VA · 3 mo ago
RemoteRemoteInformation TechnologyContract

Key Responsibilities

  • Design and implement agentic AI systems with planning, memory, and tool orchestration
  • Build and maintain multi-agent architectures for collaborative problem solving
  • Integrate LLMs with APIs, databases, vector stores, and enterprise platforms
  • Develop agent reasoning pipelines (ReAct, tree-of-thought, reflection loops, etc.)
  • Optimize prompt engineering, system instructions, and tool schemas
  • Ensure reliability, observability, and evaluation of AI agent outputs
  • Establish guardrails, safety constraints, and monitoring mechanisms
  • Collaborate with infrastructure teams to define AI strategy

Required Experience/Skills/Certs/Education

  • Core AI & Agentic Systems
  • Strong experience with large language models (OpenAI, Anthropic, open-weight models)
  • Experience building agent frameworks using tools such as:LangGraph / LangChain, AutoGen, CrewAI
  • Custom agent orchestration systems
  • Deep understanding of Prompt engineering, Tool calling / function calling, Multi-agent coordination patterns
  • Experience with RAG pipelines and vector databases (e.g., Pinecone, Weaviate, FAISS)
  • Senior-level proficiency in Python and/or Powershell
  • Strong software architecture and system design skills
  • API integration
  • Monitoring & logging

Required Experience

  • 5+ years of professional software engineering experience
  • 2+ years working with LLM-based systems or AI applications
  • Demonstrated experience building production AI agents (not just prototypes)
  • Experience collaborating with and mentoring peers

Additional Provisions

  • PASS both a client mandated clearance process to include drug screening, criminal history check and credit check.
  • All candidates must be a US Citizen
  • Candidate must have lived in the US for the past 5 years
  • Cannot have more than 6 months travel outside the United States within the last five years
  • Military Service excluded. (Exception does not include military family members.)

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