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Project Perseus | Data Labeling Associate - Portuguese (Portugal) Speakers (Human-in-the-Loop AI)

WelocalizeCaliforniaData Annotation
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Salary
$34 USD per hour
Job type
Full-time
Posted
22 Apr 2026
Status
Open · checked 7d ago

About this role

Enterprise AI Training Data & Human is hiring a Data Labeling Associate to evaluate cutting-edge AI systems and improve real-world model behavior. This full-time onsite position is suited for sharp, curious individuals who possess strong critical thinking skills and want to work at the intersection of data quality and model evaluation.

Role Overview

This position involves working directly with advanced artificial intelligence models to assess outputs, spot gaps, and enhance system performance. The work relies heavily on human judgment, analytical thinking, and the ability to follow specific guidelines while collaborating effectively with team members, leads, and stakeholders.

Key Responsibilities

Evaluate and review outputs generated by advanced artificial intelligence systems.
Identify performance gaps and behavioral issues in real-world scenarios.
Contribute actively to discussions with teammates, leads, and stakeholders.
Apply critical thinking to assess data quality beyond basic guidelines.

Requirements

Must be authorized to work in the United States without visa sponsorship.
Must be located in or able to commute to one of the approved hiring locations, which include New York City, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, Burlingame, Austin, Los Angeles, Washington DC, Chicago, or Boston.
Availability to work 40 hours per week on a full-time schedule.
100% onsite attendance is mandatory; remote work is not available.

Skills and Tools

Critical thinking and opinion formation regarding AI model behavior.
Effective communication and collaboration for team discussions.
Attention to detail for rigorous data quality assessment.

Salary and Benefits

Pay rate of $34 per hour.
W2 full-time employee status.
One-year contract duration with the possibility of extension.

About the Company

Enterprise AI Training Data & Human operates in the artificial intelligence sector, focusing on human-in-the-loop AI training data, model evaluation, and data quality improvement.

How to Apply

Interested candidates should visit the official company careers page at welodata.ai to submit their application, ensuring they meet the mandatory onsite location and work authorization requirements.

Questions candidates ask

What is the pay rate for this role?

The pay rate is $34 per hour.

Is remote work allowed for this position?

No, this is a 100% onsite position and remote work is not available. Candidates must be located in or able to commute to specific approved cities.

What are the approved hiring locations?

Approved locations include New York City, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, Burlingame, Austin, Los Angeles, Washington DC, Chicago, and Boston.

Is visa sponsorship provided?

No, candidates must be authorized to work in the U.S. as no visa sponsorship is available.

What is the employment type and contract duration?

This is a W2 full-time employee position structured as a one-year contract with the possibility of an extension.

Ready to apply?

The application is on the official Welocalize careers page.

Apply on company site