Principal AI Engineer: Agentic & LLM Apps | Hybrid Irvine

Central Business Solutions, Inc; Irvine (CA); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Central Business Solutions, Inc. is seeking a Principal AI Engineer to design and build production-grade Agentic AI and Generative AI applications for enterprise use in Irvine.

The role emphasizes accuracy, trust, scalability, and production readiness with experience in LLM-powered apps, AI agents, RAG, tool-calling workflows, and data-grounded AI systems. The ideal candidate will lead agent architectures, integrate with enterprise data sources and APIs, and collaborate with product managers and

Qualifications

• Bachelor's or Master's degree in CS/AI/ML.
• 12+ years of software engineering experience.
• 5+ years building AI/ML applications.

Responsibilities

• Design and develop Agentic AI / LLM-based applications for enterprise use cases.
• Build conversational AI experiences that allow users to query complex operational data using natural language.
• Develop agent workflows using LangGraph and LangChain.
• Design single-agent and multi-agent architectures based on business and technical requirements.
• Build RAG and retrieval workflows using vector search, embeddings, and PostgreSQL/pgVector.
• Develop controlled tool-calling and SQL-based data retrieval workflows.
• Implement mechanisms to prevent hallucinations and ensure responses are grounded in authoritative data.
• Design validation processes for data availability, freshness, accuracy, and provenance before generating responses.
• Integrate AI agents with enterprise data sources and APIs.
• Work with AWS-based data and AI infrastructure.
• Evaluate and optimize LLM application performance, including latency, token usage, cost, and response quality.
• Design approaches for managing long conversational context, intent routing, and context isolation.
• Implement real-time status/progress updates for long-running AI workflows using WebSockets or Server-Sent Events.
• Establish evaluation frameworks and metrics for AI accuracy, grounding, hallucination, and overall system quality.
• Collaborate with product managers, data engineers, architects, and business stakeholders.
• Lead technical discussions, architecture decisions, code reviews, and mentor other engineers.

Skills

Software engineering

AI/ML experience

Education

Bachelor's or Master's degree in CS/AI/ML

Tools

LangGraph

LangChain

Python

AWS

PostgreSQL

Vector databases

SQL

Text-to-SQL

Job description

Central Business Solutions, Inc. is seeking a Principal AI Engineer to design and build production-grade Agentic AI and Generative AI applications for enterprise use in Irvine.

The role emphasizes accuracy, trust, scalability, and production readiness with experience in LLM-powered apps, AI agents, RAG, tool-calling workflows, and data-grounded AI systems. The ideal candidate will lead agent architectures, integrate with enterprise data sources and APIs, and collaborate with product managers and