AI Engineer at Varick Agents

About Varick Agents

Varick deploys large-scale AI transformations at major enterprises, automating entire departments through interconnected agent systems integrated into existing infrastructure.

AI Engineer - San Francisco (SF-based required) Full-time | Posted March 22, 2026

Compensation: $220,000-$250,000/year with equity

Benefits: 100% medical, dental, vision; MacBook Pro + peripherals

Key Responsibilities:

Design and implement agent systems for complex enterprise workflows involving multi-step reasoning and exception handling

Develop evaluation systems measuring agent quality, accuracy, safety, and factual grounding

Engineer prompt systems and retrieval pipelines ensuring reliable agent behavior

Create feedback mechanisms enabling agents to learn from human corrections

Optimize inference costs and latency for production deployments

Establish governance and observability standards for agent reliability

Requirements:

3+ years software engineering experience with 1-2 years focused on LLM or AI systems in production

Hands-on experience building agent workflows with tool integration and multi-step reasoning

Deep expertise in prompt engineering and context optimization for LLM reliability

Experience building evaluation frameworks for AI outputs

Strong Python and backend engineering fundamentals

Demonstrated shipping of AI features to real users, managing hallucinations and edge cases

Helpful Experience:

Frameworks: LangGraph, CrewAI, Claude patterns

Vector databases: Qdrant, pgvector, Pinecone

MCP, tool-calling protocols, API integrations

Fine-tuning, LoRA, model adaptation

Enterprise AI deployments with governance and compliance