Rox
Foundations Engineer (Agents, SF In Office)
San Francisco · On-site · Full-time · Posted Sep 26, 2025
- Experience
- 5+ years of work experience.
- Education
- BS or MS in Computer Science or related field.
About the job
Build and improve AI-driven agent workflows for revenue teams, from model training and evaluation through integration into customer-facing systems.
What you'll do
- Design and implement scalable multi-step agent workflows and systems.
- Work with customers and product and AI engineers to understand needs, ship solutions, and improve agent reliability.
- Apply LLM research in production and run experiments and evaluations for AI-powered features.
What they ask for
- BS or MS in Computer Science or a related field.
- 5+ years of work experience.
- Tech stack: Python, Flask, AWS.
- Located in or willing to relocate to San Francisco.
Nice to have
- Experience building and scaling platform systems.
- Understanding of LLM models and/or deep understanding of services in multiple clouds.
Tools
Python, Flask, AWS, Amazon Aurora, DynamoDB, Snowflake, S3, SQS
AI focus
Develop agentic workflows; train and evaluate models; apply LLM research in production; integrate models into user-facing systems; and improve AI feature intelligence and reliability.
Model-written summary · the original posting is authoritative