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Expert Rater Project - Portuguese

Welo Data

Evaluation & Quality Full-time
Remote (Global) From $15/hr July 17, 2026

Job description

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)

Apply now

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Frequently asked questions

Is Welo Data legitimate?
Yes, Welo Data is a legitimate company listed on RemoWork. We verify all companies on our platform. However, we always recommend doing your own research before sharing personal information or starting work. Check reviews from other users and visit the company's official website for the most up-to-date information.
How do I get started with Welo Data?
To get started, visit Welo Data's official website and look for their careers or sign-up page. Create an account, complete your profile with relevant skills and experience, and apply for available positions or projects. Some companies may require you to pass a qualification test or assessment before you can start working.
Does Welo Data offer remote work?
Yes, Welo Data offers remote work opportunities. Most tasks and positions can be completed from anywhere with a reliable internet connection and a computer or smartphone. Specific location requirements may vary by project or role, so check individual listings for details.
How does Welo Data pay its workers?
Payment methods and schedules vary. Common payment options include PayPal, bank transfers, Payoneer, and other digital payment platforms. Visit Welo Data's official website or check their payment/FAQ section for specific details about payment methods, minimum thresholds, and payout schedules.
What skills do I need to work with Welo Data?
Required skills vary by role and project. Generally, you'll need a reliable internet connection, basic computer literacy, strong attention to detail, and good communication skills. Some positions may require specialized expertise, language proficiency, or technical qualifications. Check individual job listings for specific requirements.
What is the relationship between Welo Data and Welocalize?
Welo Data is a brand launched by Welocalize in 2024, specifically focused on AI data services. Welocalize has over 25 years of experience in translation and content solutions. Welo Data leverages this heritage while focusing on AI training data, annotation, RLHF, and LLM fine-tuning services with a global network of 500,000+ experts.
What types of AI tasks does Welo Data offer?
Welo Data offers a comprehensive range of AI tasks: text/image/video/audio annotation and labeling, transcription, summarization, prompt engineering, Supervised Fine-Tuning (SFT), RLHF, red teaming, adversarial model training, model output ranking, data collection, and culturally nuanced evaluation for search, ads, and LLM outputs across 100+ languages.
How do I apply to work with Welo Data?
Apply through the Welo Data website (welodata.ai). You'll go through a screening process including a language/cultural assessment and a task-related qualification exam. Once approved, you access projects through the "Welo Works" platform. Optional study materials and training guides are provided to help you prepare for assessments.
Apply now

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