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Project Perseus | Data Labeling Associate - Spanish 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 for Project Perseus in California. This full-time position suits individuals who possess sharp analytical skills and a strong command of Spanish to evaluate cutting-edge artificial intelligence systems.

Role Overview

The Data Labeling Associate position involves working at the intersection of model evaluation, human judgment, and data quality. Associates collaborate directly with advanced AI models by assessing their outputs, spotting performance gaps, and shaping how these systems react in practical situations. This role requires critical thinking and adherence to project guidelines.

Key Responsibilities

Evaluate and review outputs generated by advanced artificial intelligence systems.
Identify performance gaps and behavioral flaws in model responses.
Contribute insights to improve how AI behaves in real-world scenarios.
Engage in active discussions with team members, leads, and stakeholders.

Requirements

Must be authorized to work in the United States without visa sponsorship.
Fluent in Spanish.
Able to commute to an approved office location, as remote work is not permitted.
Capable of working 40 hours per week on a full-time schedule.

Skills and Tools

Critical thinking and strong analytical reasoning.
Attention to detail for rigorous data evaluation.
Communication skills for collaborating with colleagues and stakeholders.

Salary and Benefits

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

About the Company

Enterprise AI Training Data & Human operates in the artificial intelligence sector, focusing on human-in-the-loop AI training data solutions. The organization partners with talent to refine, evaluate, and scale machine learning models.

How to Apply

To apply for this opportunity, please visit the official company careers page at welodata.ai and submit your application.

Questions candidates ask

What is the pay rate for the Data Labeling Associate role?

The pay rate for this position is $34 per hour.

Is this position remote or onsite?

This is a 100% onsite position. Remote work is not available, and candidates must commute to one of the approved cities.

What is the duration of the contract?

The role is a 1-year contract with the possibility of extension.

Does the company offer visa sponsorship?

No, candidates must already be authorized to work in the United States, as there is no visa sponsorship available.

What are the working hours?

This is a full-time position requiring 40 hours per week.

Ready to apply?

The application is on the official Welocalize careers page.

Apply on company site