# Senior Frontier Agents Engineer (Applied AI) at Scale

- Company: Scale
- What the company does: Backed by Accel, Index and Y Combinator.
- Company website: http://www.scale.com
- Type: Startups (AI role)
- Level: Senior
- Location: San Francisco, CA; New York, NY
- Work setup: On-site
- Posted: 2026-07-31
- Apply by: 2026-10-08
- Apply: https://job-boards.greenhouse.io/scaleai/jobs/4720478005
- Page: https://www.1752.vc/careers/jobs/scale-senior-frontier-agents-engineer-applied-ai/

## About the role

Applied AI is moving faster than ever. New foundation models, reasoning techniques, agent architectures, and research papers emerge every week. Yet building AI systems that reliably solve real-world problems remains one of the hardest engineering challenges.

## What they're looking for

- 5+ years of software engineering, machine learning, or applied AI experience
- Strong Python programming skills
- Experience building production AI systems using LLMs
- Experience with modern AI tooling, including OpenAI, Claude, MCP, agent frameworks, vector databases, or retrieval systems
- Strong understanding of machine learning fundamentals and modern language models
- Experience designing or evaluating AI systems using quantitative metrics

Tags: Enterprise Engineering