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Senior AI Trainer

Location: RemoteContract type: ContractSalary: $14 – $36Posted: September 29, 2026

About the Role

Role Title: Senior AI Trainer
Role Type: Contractor, Remote
Location: Northern America and Europe.

micro1 is engaging Senior AI Trainers to collaborate on a customer-driven project enhancing AI system quality through expert-level model training and evaluation. In this role, you'll apply your generalist expertise and hands-on experience with AI products to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input.

What You'll Do

  • Evaluate the performance of AI chat and search tools under standardized, repeatable conditions.
  • Apply detailed grading guidelines to accurately evaluate, rank, and annotate model responses, providing structured feedback that improves model performance.
  • Write, refine, and stress-test prompts that probe model capabilities, ensuring coverage of diverse scenarios, edge cases, and user intents.
  • Verify consistency and accuracy across evaluations, correcting discrepancies between ratings and the underlying rubric or guidelines.
  • Utilize AI training tools and platforms to record findings and submit evaluation datasets in alignment with project standards and milestones.
  • Collaborate with project trainers and contributors to resolve ambiguities, refine guidelines, and ensure evaluation consistency across the team.
  • Participate in ongoing quality reviews, incorporating feedback to maintain rigorous training and annotation standards.

Requirements

  • Exceptional attention to detail and accuracy in reviewing and evaluating AI-generated content.

  • Strong written and verbal communication skills for effective collaboration, reporting, and timely updates on progress and challenges.

  • Demonstrated time management and self-organization abilities for independent, remote project participation.

  • Analytical and problem-solving mindset, with a proactive approach to resolving evaluation challenges.

  • Proven experience with AI model training, RLHF, data labeling, or similar data-centric evaluation projects.

  • Familiarity with AI products and tools, including prompt engineering and understanding of model behaviors and limitations.

  • Experience writing evaluation rubrics, grading model outputs, or reviewing AI responses for accuracy, helpfulness, and safety.

  • Background in AI training, machine learning data preparation, or LLM-focused projects (strongly preferred).

Compensation & Logistics

See Pay Min/Max columns for the hourly rate range.