Expert Rater (Spanish) | Remote (Spain) | $19.55/hour

🚀 Join Welo Data and help improve the quality of AI-powered advertising systems!

We're looking for experienced Spanish-speaking Expert Raters based in Spain to support AI data quality by coaching raters, reviewing annotations, and ensuring high-quality evaluation standards.

• Job Title: Expert Rater
• Language: Spanish
• Location: Remote (Spain)
• Employment Type: Freelance
• Hourly Rate: $19.55/hour
• Schedule: 30 hours/week (potential to increase to 40 hours/week)
• Project Duration: 1 Month
• Start Date: 27th July
• Potential: Opportunity for full-time employment based on performance and project needs

• →Support and mentor AI Raters to improve rating quality and consistency.
• →Review annotations and create high-quality gold-standard datasets.
• →Conduct Tier 2 quality reviews and identify improvement opportunities.
• →Analyze data trends and KPIs to support data-driven decisions.
• →Collaborate with clients and internal teams to meet quality expectations.
• →Prepare clear client communications, feedback, and documentation.
• →Participate in AI research and quality improvement initiatives.

• Native or fluent Spanish.
• English proficiency (B2 or higher).
• 1+ year of rating, annotation, or AI evaluation experience.
• Experience with data labeling, content evaluation, or quality assurance.
• Intermediate knowledge of Google Workspace.
• Strong analytical, communication, research, and coaching skills.
• Understanding of Spanish and U.S. cultural and societal norms is an advantage.

• Background in Social Sciences, Linguistics, Psychology, Education, or Quality Assurance.
• Experience mentoring teams or conducting quality reviews.