CareerPlanSign in

Frontier AI Agent Builder

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

Core

Providing human feedback to train advanced generative systems and Large Language Models to function as proactive, multi-step agents capable of handling complex architectural workflows.

Role type

Senior AI Backend Engineer / Human-in-the-loop AI Trainer

Builds

Autonomous AI agents and orchestration systems for innovative companies

Domain

Generative AI, Large Language Models, AI Automation

Deliverable

production ML models | product features

Required skills

Backend engineering, AI automation, complex system integration, modular software design, multi-turn system interaction management, SQL database proficiency, proficiency in at least two major programming languages (Python, JavaScript, Go, Java), practical experience in live non-mocked environments

Preferred skills

Multi-stage coordination workflow design, connecting agents with live tools (Supabase, Gmail, APIs), implementing persistent state and session tracking, identifying security issues (privacy leaks, authority escalation, prompt injection)

Technologies

Java, JavaScript, Python, SQL

Responsibilities

Provide human feedback on AI agents to train advanced generative systems, collaborate with leading AI organizations to improve Large Language Models, evaluate orchestration, reasoning, and execution quality of autonomous systems, contribute technical judgment to strengthen agent behavior across challenging scenarios, support the development of autonomous systems by refining complex architectural workflows

Seniority

Mid-level to Senior, hands-on IC

Sourced via devitjobs · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.