Senior AI Builder for Multi-LLM Agents

Appnovation Technologies; San Jose (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

Appnovation Technologies is seeking an experienced AI/Agent Engineer to build and evolve MCP servers, tools, and graph-RAG pipelines for multi-LLM platforms. You will collaborate with product, data, and QA in agile sprints to improve accuracy and grounding of agent outputs.

The role requires hands-on Python development, experience with RAG systems, and strong problem-solving and communication skills to operate in ambiguity and fast-paced environments.

Qualifications

• Bachelor's Degree in Computer Science, Engineering, or equivalent practical experience.
• 5+ years of software engineering, with 2+ years in AI/ML or LLM-based applications.
• Strong Python, with hands-on experience in LLM application development and agentic patterns.
• Direct experience building MCP servers, tools, and skills.
• Experience with RAG and graph-RAG systems, vector databases, and embeddings.
• Familiarity with graph data stores (Neo4j and/or Postgres/Supabase-based graph implementations).
• Comfortable working against multiple LLM providers (e.g., Claude, Gemini).
• Solid software engineering fundamentals: Git, testing, and CI/CD.
• Strong problem-solving and communication skills, with the ability to work independently in ambiguity.

Responsibilities

• Build and evolve MCP servers, tools, and skills that expose the platform to multiple LLMs.
• Design and refine the graph-RAG pipeline that represents facts, entities, and relationships.
• Implement retrieval across multiple tiers and temporal replay.
• Partner with QA on eval-driven improvements to answer quality and grounding.
• Write clean, well-tested production-grade code and participate in code reviews.
• Collaborate with product, data, and QA in an agile/sprint model.
• Document designs, prompts, and tool interfaces for maintainability and handover.
• Monitor deployed agents/models, troubleshoot issues, and iterate on performance.
• Stay current with the fast-moving LLM/agent tooling landscape.

Skills

Python

AI/ML

LLM development

Problem solving

Communication

Education

Bachelor's degree in Computer Science or Engineering

Tools

Neo4j

Postgres

Supabase

Git

CI/CD

Job description

Appnovation Technologies is seeking an experienced AI/Agent Engineer to build and evolve MCP servers, tools, and graph-RAG pipelines for multi-LLM platforms. You will collaborate with product, data, and QA in agile sprints to improve accuracy and grounding of agent outputs.

The role requires hands-on Python development, experience with RAG systems, and strong problem-solving and communication skills to operate in ambiguity and fast-paced environments.