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Agent Systems Engineer

San Francisco💼 Full-time🗓 2026-08-21 → 2026-09-26

Core

Build production agent systems that execute multi-step tasks across real tools and services under constraints like incomplete information and external failures.

Role type

Senior IC agent systems engineer

Builds

Reliable, multi-step agent execution loops that improve over time with real usage

Domain

AI Agents / LLM Orchestration / Production Systems

Deliverable

production ML models

Required skills

Agent design (planning, reasoning, tool use, orchestration, memory), Production ML/backend system development, Rigorous evaluation systems, Execution tracing and observability, Tradeoff analysis (quality, latency, cost, complexity)

Preferred skills

Experience with OpenAI Responses API, MCP, Server- vs client-side execution

Technologies

OpenAI Responses API, MCP

Responsibilities

Design agent architectures for planning, reasoning, tool use, memory, and external integration; Improve reliability on long-running tasks including failure recovery; Build feedback loops for continuous performance improvement; Develop robust evaluation metrics; Make practical tradeoffs between quality, latency, cost, and complexity

Seniority

Senior, hands-on IC

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