Freelance AI Agent Builder Opportunity: Earn Up To $50/hr Remotely

Further Details

Join a leading AI platform as a freelance Agent Builder, contributing to the advancement of autonomous AI systems. This remote position focuses on providing human feedback to train Large Language Models (LLMs) for complex architectural workflows. Opportunities exist for individuals with a strong background in backend engineering or AI automation. As an Agent Builder, you will engage in tasks such as developing evaluation rubrics, diagnosing agent behaviors, and conducting rigorous stress tests. The role requires a keen eye for detail and the ability to deliver clear, technical feedback on sophisticated system functionalities. This is a unique chance to gain invaluable experience in the rapidly evolving field of artificial intelligence while earning competitive compensation.

Freelance AI Agent Builder in Italy with Outlier

Discover a compelling opportunity to become a freelance AI Agent Builder with Outlier, working remotely from Salerno, Campania, Italy. This position represents excellent hiring in the region. This role is designed for professionals passionate about shaping the future of autonomous agents and contributing to the advancement of Large Language Models (LLMs).

You will earn up to $50 USD per hour, with additional incentives, enjoying the flexibility of a freelance schedule. Outlier provides access to industry-leading AI tools and fosters a collaborative environment for skill enhancement.

• Job Title: Freelance AI Agent Builder
• Location: Remote (based in Italy)
• Company: Outlier
• Pay Rate: Up to $50 USD per hour + Incentives
• Required Experience: 2+ years in backend engineering or AI automation
• Key Responsibilities: Writing Eval Rubrics, Debugging Agent Traces, Stress Testing Agents
• Qualifications: Proven experience in production-grade software development and complex system integrations
• Benefits: Free access to LLMs, flexible working hours, weekly payments

Skills

• 2+ years of experience in backend engineering
• 2+ years of experience in AI automation
• 2+ years of experience in complex systems integration
• Proven ability to build and maintain production-grade software
• Experience with modular software separation
• Practical experience building for live, non-mocked environments
• Experience handling multi-turn system interactions
• Outstanding attention to detail
• Ability to provide clear, high-density technical feedback
• Expertise building multi-stage coordination tasks
• Hands-on experience integrating agents with live tools (e.g., Supabase, Gmail, APIs)
• High comfort level implementing persistent state and session discovery
• Experience identifying subtle system failures
• Proficiency in GPT and Claude

Duties and Responsibilities:

• Write evaluation rubrics for AI agents
• Debug agent traces to identify issues
• Stress test agent functionalities to ensure robustness
• Train Large Language Models (LLMs) to function as proactive agents
• Design, coordinate, and optimize complex, real-world architectural workflows
• Provide human feedback to improve AI agent performance

How to apply

💼 Explore this exciting freelance opportunity to become an AI Agent Builder with Outlier.

🎯 If you possess a strong background in backend engineering or AI automation and meet the experience requirements, this role offers significant career development.

🔎 Review the detailed responsibilities, including writing evaluation rubrics, debugging agent traces, and stress-testing AI systems.

🎓 Ensure you have at least 2 years of experience in production-grade software development and experience with complex systems.

✅ Visit the official Eurojobs.com link for this position to submit your application.

👉 The application deadline is December 16, 2026.

📌 Apply now to shape the future of autonomous AI agents.