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AI Engineer – Agentic AI, Node Js

Job in Phoenix, Maricopa County, Arizona, 85001, USA
Listing for: Artech
Full Time position
Listed on 2026-09-02
Job specializations:
  • Software Development
    AI Engineer (Applied/Software), Machine Learning/ ML Engineer, Backend Developer
Job Description & How to Apply Below

AI Engineer – Agentic AI, Node Js

We are seeking a Senior AI Engineer with strong experience in Agentic AI, Generative AI, LLM systems, Type Script/Node.js, and Python to design, build, and operate production-grade autonomous AI systems. The ideal candidate will have a strong distributed-systems background combined with hands-on experience developing agentic workflows, LLM orchestration, RAG pipelines, tool use, memory, evaluation, and AI infrastructure.

Candidates without recent hands-on experience in Agentic AI, Generative AI, and Node.js/Type Script will not be considered.

Key Responsibilities
  • Drive technical direction for Agentic AI initiatives, including architecture, autonomy boundaries, orchestration, reliability, and scalability.
  • Design, develop, deploy, and operate production-grade agentic AI systems across multiple products and teams.
  • Build agent frameworks and orchestration layers supporting planning, tool use, memory, and multi-agent workflows.
  • Design and implement RAG, retrieval, grounding, and vector search pipelines.
  • Develop LLM infrastructure, inference services, model gateways, and integrations with commercial and open-source LLMs.
  • Implement evaluation, observability, safety, and monitoring capabilities for autonomous AI systems.
  • Build scalable backend services, APIs, data pipelines, workflow engines, and event-driven architectures.
  • Work with asynchronous processing, queues, streaming systems, and distributed architectures.
  • Lead technical design reviews and make architecture decisions balancing autonomy, safety, reliability, scalability, performance, and cost.
  • Evaluate emerging LLM models, agentic patterns, frameworks, and techniques and translate them into enterprise-ready solutions.
  • Collaborate with engineering, product, data, and business teams to deliver complex AI initiatives from concept through production.
  • Influence technical direction and align cross-functional teams without requiring formal authority.
Required Technical Skills
  • 10+ years of experience building large-scale distributed systems and backend applications.
  • Strong recent hands-on experience with Agentic AI, Generative AI, and LLM-based systems.
  • Strong recent experience with Node.js, JavaScript, and Type Script.
  • Advanced proficiency in Python.
  • Experience with PyTorch, Hugging Face, and exposure to Tensor Flow.
  • Hands-on experience with agent/orchestration frameworks such as Lang Graph, Lang Chain, Llama Index, Semantic Kernel, CrewAI.
  • Strong understanding of agentic AI concepts, including planning, tool calling, memory, reasoning workflows, orchestration, and evaluation.
  • Experience designing and implementing RAG and retrieval/grounding solutions.
  • Experience with vector databases and embedding-based search.
  • Strong experience with REST APIs and gRPC.
  • Experience with AWS and/or GCP, preferably including Kubernetes.
  • Experience with Kafka, event-driven architectures, workflow engines, queues, and streaming systems.
  • Experience with Pydantic and/or Zod for schema validation and state management.
  • Strong understanding of backend systems, data pipelines, cloud infrastructure, and distributed systems.
Preferred Qualifications
  • Experience building agentic AI systems in fintech or other regulated industries.
  • Experience with fine-tuning, model optimization, embeddings, and inference pipelines.
  • Experience integrating both commercial and open-source LLMs into production agentic workflows.
  • Experience as a founding engineer, early technical leader, or technical owner of AI-driven products.
  • Demonstrated success delivering autonomous AI systems used by customers in production.
  • Meaningful contributions to open-source AI or agentic AI frameworks.
  • Strong understanding of AI-assisted and agentic software development workflows.
  • Excellent problem-solving, communication, and cross-functional collaboration skills.
  • Ability to explain complex AI concepts to non-technical stakeholders.
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