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Senior AI Trainer for AI Model Evaluation (English)

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Job details

Pay

$14–$36 USD/hr

Engagement

Contract, part-time

Location

Remote

Germany only

Posted

Sep 23, 2026

OpenTrain on Trustpilot

The work

The title identifies this as a Senior AI Trainer role, while the duties focus on AI model response evaluation. Review the duties and qualifications before applying.

You will assess AI chat and search tools, rate model responses, and provide structured feedback that helps improve model behavior. The work includes reviewing real-world outputs, identifying user intent and edge cases, and keeping evaluation standards consistent.

  • Evaluate AI chat and search tools under standardized conditions.
  • Rank and annotate model responses using detailed grading rubrics.
  • Write, refine, and stress-test prompts across different scenarios and edge cases.
  • Check that ratings match the applicable rubrics and correct discrepancies.
  • Record findings and submit evaluation datasets through AI training platforms.
  • Work with other trainers and contributors to resolve unclear cases and improve consistency.
  • Take part in quality reviews and apply feedback to ongoing evaluation work.

Requirements

This is a remote contractor role with part-time work. It is available to candidates in Germany and requires fluent English.

  • $14 to $36 per hour.
  • Remote contractor role.
  • Part-time work.
  • Fluent English.
  • Intermediate experience level.
  • Exceptional attention to detail when reviewing AI-generated content.
  • Strong written and verbal communication for reporting findings and working remotely.
  • Analytical problem-solving skills, sound judgment when guidance is unclear, and good self-organization.
  • Familiarity with AI products, model behavior, and prompt engineering.
  • Experience: Intermediate level
  • Skills: Video Annotation, Attention to Detail, Data Labeling, Video Annotation Tools, Time Management

Open to applicants in

  • Germany

Helpful background

Experience in AI model training, reinforcement learning from human feedback, data labeling, machine learning data preparation, rubric creation, or large language model evaluation is useful. Experience reviewing responses for accuracy, helpfulness, and safety is especially relevant.

How to apply

  1. Press Apply now. You create a free OpenTrain account and add your resume.
  2. Finish your application on the hiring company's site. The company decides who it hires, so it runs its own form. It asks for your resume again, your LinkedIn profile, your phone number, your location and answers to 4 screening questions.
  3. Take a short AI interview.

Job ID: cmuelyccr000905l7i1uvpeqd

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