Welo Data is looking for an experienced Expert Rater to support, mentor, and guide rating teams while helping improve the quality of AI-powered advertising systems.
Key Responsibilities:
✅ Coach and support raters to improve rating accuracy and decision-making
✅ Conduct quality reviews, test rounds, and performance monitoring
✅ Analyze datasets, identify trends, and leverage KPIs for insights
✅ Collaborate with clients and internal teams to meet quality standards
✅ Create clear feedback, documentation, and client communications
Requirements:
• Native/Fluent Portuguese proficiency
• English level B2 or above
• 1+ year of rating experience
• Knowledge of data labeling, annotation, and evaluation methodologies
• Strong communication, research, and analytical skills
• Intermediate Google Workspace proficiency
📍 Location: Portugal (Remote)
💰 Pay: $15/hour
⏰ Capacity: 30 hours/week (potential extension to 40 hours/week)
📅 Duration: 1 Month
🚀 Start Date: 27 July
📄 Type: Freelance (with potential full-time extension based on performance)
With 27+ years of experience, Welo Data is the human-centered infrastructure for globally effective AI. We fuel AI/ML and GenAI innovation through scalable, high-precision training data and multilingual expertise. Our network of 500,000+ expert evaluators and domain specialists across 105 countries ensures diverse and reliable AI solutions.
Welo Data, a Welo Global brand, delivers a comprehensive spectrum of AI data services—including data annotation and labeling, LLM enhancement, data collection and generation, and relevance and intent assessment.
With 14 secure facilities globally, 7 ISO certifications, and 24/7/365 support, we consistently deliver quality measures across scaled programs and complex, emerging projects.
Leading technology innovators, including Google, Spotify, Amazon, Workday, Squarespace, and Dropbox, trust Welo Data. Our enterprise-grade solutions empower organizations to unlock the full potential of their data and AI initiatives while maintaining the highest standards of quality and ethical responsibility.
By joining Welo Data, you will obtain:
- Limitless FLEXIBILITY: Work on projects at the times that work best for you, with clear guidelines and transparent pay.
- Limitless GROWTH: Access to optional learning resources and guidance to expand your skills with each project you complete.
- Limitless SUPPORT: Connect with a global community and receive responsive assistance whenever you have questions.
Welo Data is redefining how AI learns and how people thrive in shaping it.
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