Freelance Remote Backend Engineer for AI Agents

Outlier; Venezia; Remote; EUR 51,000 - 72,000; Full time

Job summary

Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw? We collaborate with leading AI organizations to train LLMs to function as proactive, multi-step agents.

Our projects focus on teaching these systems how to design, coordinate, and optimize complex, real-world architectural workflows. Whether you are a passionate orchestration guru or experienced software developer — we want

Qualifications

• 2+ years of experience in backend engineering, AI automation, or complex systems integration.
• Proven ability to build and maintain production-grade software with modular separation (e.g., distinct services for data parsing, logic processing, and reporting).
• Practical experience building for live, non-mocked environments and handling multi-turn system interactions.
• Outstanding attention to detail and the ability to provide clear, high-density technical feedback on complex system behaviors.
• Nice to have: Expertise building multi-stage coordination tasks where data acquisition leads to reasoned output.
• Nice to have: Hands-on experience integrating agents with live tools such as Supabase, Gmail, and various APIs to solve real-world problems.

Responsibilities

• Write Eval Rubrics
• Debug Agent Traces
• Stress Test Agent

Skills

Backend engineering

AI automation

Systems integration

Tools

Supabase

Gmail

APIs

Job description

Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw? We collaborate with leading AI organizations to train LLMs to function as proactive, multi-step agents.

Our projects focus on teaching these systems how to design, coordinate, and optimize complex, real-world architectural workflows. Whether you are a passionate orchestration guru or experienced software developer — we want