AI Agent Engineer: Build Multi-LLM Pipelines & RAG

Appnovation-Technologies; Austin (TX); On-site; USD 140,000 - 170,000; Full time

Job summary

Appnovation Technologies in Austin, TX seeks an AI/Agent Engineer to join our dynamic team. You will design MCP servers, craft graph-RAG pipelines, and enable integration with multiple LLM providers to deliver accurate, scalable answers.

Collaborating with product, data and QA in an agile setting, you will write clean, tested code, document prompts and interfaces, monitor models in production, and stay current with rapid AI tooling to drive continuous improvement and client value.

Qualifications

• Bachelor’s degree in CS/Engineering or equivalent practical experience.
• 5+ years in software engineering; 2+ years AI/ML or LLM-based apps.
• Strong Python and hands-on LLM app development.
• Experience building MCP servers, tools, and skills.
• Experience with RAG, graph-RAG, vector databases, embeddings.
• Familiarity with graph data stores (Neo4j and/or Postgres/Supabase-based graphs).
• Comfortable working with multiple LLM providers (Claude, Gemini).
• Solid Git, testing, and CI/CD fundamentals.
• Strong problem-solving and communication; able to work independently.

Responsibilities

• Build and evolve MCP servers, tools, and skills for multiple LLMs.
• Design and refine the graph-RAG pipeline transforming documents into agent-friendly facts.
• Implement retrieval across source documents, vector-RAG, dense graph, and temporal replay.
• Partner with QA on eval-driven improvements to answer quality and grounding.
• Write clean, 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.
• Monitor deployed agents/models, troubleshoot, and iterate on performance.
• Stay current with fast-moving LLM/agent tooling landscape.

Skills

Python

LLM development

MCP servers

Graph-RAG

Vector databases

Neo4j

Postgres/Supabase

CI/CD

Git

Communication

Education

Bachelor's in CS/Engineering

Tools

Neo4j

Postgres

Supabase

Job description

Appnovation Technologies in Austin, TX seeks an AI/Agent Engineer to join our dynamic team. You will design MCP servers, craft graph-RAG pipelines, and enable integration with multiple LLM providers to deliver accurate, scalable answers.

Collaborating with product, data and QA in an agile setting, you will write clean, tested code, document prompts and interfaces, monitor models in production, and stay current with rapid AI tooling to drive continuous improvement and client value.