Principal AI Architect for Production-Grade Agents & RAG

Harnham; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Harnham in San Francisco seeks a senior technical leader to shape the architecture of AI agents and data infrastructure. You will define how multi-step agents, RAG pipelines, and knowledge retrieval systems are designed, built, and evaluated across the platform.

You will own the AI coding capability from prompts to validation, mentor engineers, and drive production-grade decisions as the company scales toward its next funding round.

Qualifications

• 8+ years of software engineering with AI/ML leadership.
• Experience owning and shipping AI agents in production at scale.
• Strong Python with RAG, vector DBs, and knowledge graphs (Neo4j).
• Ability to make architectural decisions under uncertainty and ship to production.
• Experience with AWS, Kubernetes, and full AI development lifecycle.
• Experience with Databricks, Snowflake, BigQuery, Spark; Scala/Go bonus.

Responsibilities

• Set technical direction for multi-step agent architectures, RAG pipelines, and retrieval systems.
• Own the platform's AI coding capability from prompt design to large-scale validation.
• Lead large initiatives end-to-end with minimal direction.
• Shape production AI with standards for evaluation, observability, and reliability.
• Influence architectural decisions and mentor engineers across the org.

Skills

Python

AI/ML leadership

RAG pipelines

Vector databases

Knowledge graphs (Neo4j)

AWS

Kubernetes

Databricks

Snowflake

BigQuery

Spark

Scala

Go

Tools

Neo4j

Job description

Harnham in San Francisco seeks a senior technical leader to shape the architecture of AI agents and data infrastructure. You will define how multi-step agents, RAG pipelines, and knowledge retrieval systems are designed, built, and evaluated across the platform.

You will own the AI coding capability from prompts to validation, mentor engineers, and drive production-grade decisions as the company scales toward its next funding round.