Senior Spanish Expert Rater & Coach for Client Tests
Job Description & Overview
Welo Data in Spain seeks an Expert Rater (ER) to support and coach fellow Raters, guiding annotation practices and ensuring high-quality AI data for advertising systems. You will drive test rounds with clients, interpret templates, and mentor the team to improve rating accuracy and decision-making.
The role is freelance, approximately 30 hours/week, starting July 27, with potential extension to 40 hours and a 1-month project duration. Local Spanish context applies.
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Key Details
- Date Posted: 25 Oct 2026
- Location: valladolid
- Employment Type: Contract
- Category: General
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Welo Global
Verified Transport EmployerVerified transport and logistics firm operating commercial fleets across the UK network.
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