AI training contract
Senior AI Trainer
AI & Machine Learning · USD 14-36 an hour. · 50 openings
Senior AI Trainer is contract work for micro1, reviewing and correcting what AI models produce in ai & machine learning. The output of the job is expert judgement written down: a model gives an answer, someone who knows the subject decides whether it is right and explains why.
What it requires. No credential is stated on this listing beyond experience in the field.
What it pays. USD 14 to USD 36 an hour, as published by micro1. Rates in this category track how rare the credential is rather than how hard the work is.
Where. The listing's location line reads "Northern America and Europe". That does not settle where you can apply from, so check on micro1's page before you count on being eligible.
micro1 lists 50 openings on this role.
Skills named: Video Annotation, Attention to Detail, Data Labeling, Video Annotation Tools, Time Management.
Applications are made on micro1, not here. WFA Digital is independent of micro1 and may receive a referral fee if you are hired, at no cost to you.
Full listing, as published by micro1
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. Key Responsibilities: 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. Required Skills and Qualifications: 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. Preferred Qualifications: 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).
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Rate, openings and requirements checked 2026-09-25 against micro1's own public postings.