Thriveth

The AI job market, made clearer

Find work worth
your expertise.

Back to all jobs
Posted 23 Sept 2026

Data Labeling Specialist

We're looking for Data Labeling Specialists to categorize, tag, and annotate the data that powers cutting-edge AI — one precise label at a time.

Portugal$40–$120 per hour
Hiring companyAlignerr
Application processN/A1 of 3 reviews needed
Work experienceN/A1 of 3 reviews needed

About the role

What if your attention to detail could directly influence how the next generation of AI systems sees, reads, and understands the world?

This is a fully remote, flexible contract role open to anyone with a sharp eye for detail and the ability to follow structured instructions. No prior AI or tech experience required — just consistency, focus, and a reliable internet connection.

Why Join Us

  • Work on real AI projects alongside leading research labs and top AI organizations.
  • Fully remote and flexible — work when and where it suits you.
  • Freelance autonomy with the structure of meaningful, task-based work.
  • Contribute to AI development that shapes how technology perceives and interacts with the world.
  • Potential for ongoing work and contract extension as new projects launch.

Responsibilities

  • Categorize and tag data — including text, images, and audio — using predefined guidelines and label sets.
  • Annotate content accurately and consistently across large datasets.
  • Follow structured project instructions and quality standards with precision.
  • Participate in calibration exercises to maintain high accuracy across your work.
  • Complete task-based assignments independently on your own schedule.

Required skills

  • Detail-oriented with a systematic, consistent approach to repetitive tasks.
  • Able to follow structured instructions carefully and precisely.
  • Comfortable working with web-based tools and interfaces.
  • Self-motivated and reliable when working independently.

Preferred skills

  • Experience with quality assurance, data entry, or transcription.
  • Familiarity with AI tools or annotation platforms as an end user.
  • Background in research, editing, or any field requiring careful attention to detail.

Experience and education

  • No prior data labeling or AI experience required.

Schedule details

10–40 hours per week.

Eligibility

Work arrangement: Fully remote

Eligible countries: Portugal

Compensation details

$40–$120 per hour.

More about the hiring companyAlignerr
Find AI-training work. Know what to expect.

Thriveth makes AI data-training work easier to find, understand, and navigate. We replace uncertainty with clear opportunities, realistic expectations, and insights from real application journeys.