AI Data Annotator

Label the text, images and audio that AI models learn from - accurately and at speed.

This UK ai data annotator career guide covers what the role involves day to day, typical salary at each stage, the usual entry route, the skills employers expect, and related careers worth comparing.

Quick facts

Starting salary
£22,000 - £28,000
Mid-career salary
£30,000 - £40,000
Senior salary
£45,000 - £60,000
Work environment
Office or remote, desk-based
Time to entry
0 - 3 months
Degree required
Not required
Category
AI, Data and Automation

What a AI Data Annotator does

Label the text, images and audio that AI models learn from - accurately and at speed.

  • RLHF Annotation - High-quality preference data for fine-tuning.
  • Domain-expert Annotation - Legal, medical or coding annotation requiring expertise.
  • Red-team Annotation - Generate adversarial prompts and rate model responses.
  • Annotation QA - Audit annotator work and maintain rubrics.

How to become a AI Data Annotator

  1. Look up AI Data Annotator roles on LinkedIn or Indeed and read 5 real job ads
  2. Talk to someone already working as a AI Data Annotator - even a 15-minute call helps
  3. Find one beginner course or qualification used by people in this role
  4. Build one small piece of evidence you've explored this (project, shadowing, short course)
  5. Apply to one entry-level role or related opportunity within the next month

Key skills

  • Attention to detail
  • Following guidelines
  • Basic data tools
  • Consistency
  • English fluency