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Agent Builder - AI Systems

USA💼 Full-time💰 $90,000–$90,000🗓 2026-05-22 → 2026-09-26

Core

Training advanced AI agents by providing high-quality human feedback to shape proactive, multi-step LLM systems capable of operating as autonomous agents.

Role type

Senior AI Systems Engineer (Human-in-the-loop Agent Training)

Builds

Proactive, multi-step LLM systems and complex real-world architectural workflows for autonomous agents

Domain

Artificial Intelligence / Large Language Models / Agent Orchestration

Deliverable

production ML models

Required skills

Backend engineering, AI automation, complex systems integration, multi-stage coordination workflow design, live non-mocked environment development, multi-turn system interaction management, API integration, persistent state and session tracking, privacy leak detection, authority escalation prevention, indirect prompt injection mitigation

Preferred skills

Experience with Supabase, Gmail, and other live tools, designing multi-stage coordination workflows where information gathering leads to reasoned outcomes

Technologies

Java, JavaScript, Python, SQL, LLM

Responsibilities

Train advanced AI agents by providing high-quality human feedback, help shape proactive multi-step LLM systems, evaluate system behavior in live environments, support development of orchestration and automation capabilities, analyze multi-turn interactions to surface actionable feedback, identify and report nuanced failure modes in agent behavior

Seniority

Mid-level to Senior, hands-on IC

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