HYBRID ROLE: Senior AI Engineer

Santa Clara, CA

PAY: $80-85/hour W2. Our company offers our consultants a suite of benefits after a qualification period including health, vision, dental, life and disability insurance. 
This is a hybrid role in Santa Clara, onsite work is required 3x/week.

W2 Candidates only, 1099/C2C not possible for this role.
Responsibilities

  • Agentic Architecture: Design and deploy multi-agent systems that utilize reflection, self-correction, and planning loops to solve open-ended business problems.
  • Orchestration & State Management: Build complex, cyclic AI workflows using LangGraph to handle long-running tasks, state persistence, and error recovery.
  • Model Optimization: Implement and fine-tune Gemini (2.5 Pro/Flash) models within the Vertex AI ecosystem, optimizing for latency, token efficiency, and reasoning quality.
  • Tool Integration: Develop secure, robust interfaces for agents to interact with external APIs, databases (SQL & Vector), and legacy enterprise systems.
  • Advanced RAG: Architect "Agentic RAG " systems that don't just retrieve data, but intelligently route queries, verify source relevance, and synthesize multi-step answers.
  • Observability & MLOps: Set up advanced monitoring for agentic behavior, including tracing "chain-of-thought " reasoning, cost tracking, and automated evaluation of agent performance.
Skills:
  • Core Languages: 7+ years of experience with Python, with deep expertise in asynchronous programming and building scalable APIs (FastAPI/Flask).
  • Agentic Frameworks: Proven track record of shipping production-grade applications using LangGraph
  • GCP Ecosystem: Expert-level experience with Vertex AI, including Model Garden, Vertex AI Search & Conversation, and deploying models via Vertex Endpoints.
  • LLM Expertise: Deep understanding of Gemini capabilities (function calling, multimodal input, long-context window management).
  • Vector Infrastructure: Hands-on experience with Vertex AI Vector Search (formerly Matching Engine) or similar databases like Pinecone/Weaviate.
  • Engineering Excellence: Strong grasp of CI/CD for AI, containerization (Docker/GKE), and "eval-driven development " to measure agent accuracy.
  • Experience with Model Context Protocol (MCP) for standardized tool-calling.
  • Familiarity with alternative agent frameworks like CrewAI or Semantic Kernel.
  • Contributions to open-source AI libraries or a strong portfolio of agentic research projects.

 



Who We Are:
The Fountain Group is a nationwide staffing firm with over 80 Fortune 100-500 clients. Since 2001, TFG has maintained a consistent standard of excellence, and our work is broadly recognized every year through numerous industry performance awards. Our success is a team effort.
Browse our website below for additional information on our company.
The Fountain Group
3407 W Martin Luther King Jr. Dr. Tampa, FL 33607
“We work in Life Sciences, Clinical, Engineering, IT, and more. Above all, we specialize in people.”

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