Welo Global
Project Perseus | Data Labeling Associate - Spanish Speakers (Human-in-the-Loop AI)
California +9 · On-site · Full-time · Posted Apr 22, 2026
- Location
- California
Sunnyvale, CA
San Francisco, CA
Seattle, WA
Redmond, Washington
Burlingame, CA
New York City Metropolitan Area
Los Angeles, CA
Washington, D.C.
Boston, MA - Experience
- 1–2 years of professional writing experience; 2+ years of relevant experience with safety considerations in GenAI data delivery.
- Education
- University degree (Bachelor’s or higher).
- Visa sponsorship
- Must be authorized to work in the U.S.; no visa sponsorship.
About the job
Evaluates AI model outputs and data, identifies performance patterns and failure modes, and provides feedback to improve evaluation frameworks and quality standards.
What you'll do
- Review AI outputs and data, flagging patterns, edge cases, and failures.
- Apply and assess guidelines, and contribute to refining evaluation frameworks and quality standards.
- Document findings and communicate insights in team discussions and stakeholder syncs.
What they ask for
- Native-level Spanish proficiency and a university degree (Bachelor’s or higher).
- B2 or higher English proficiency.
- 1–2 years of professional writing experience.
- 2+ years of relevant experience with safety considerations in GenAI data delivery.
Nice to have
- Experience in data quality, QA, annotation, or analysis.
Pay
USD 34–34 per-hour-wage (base salary)
AI focus
Evaluates GenAI model outputs and safety, identifies gaps and failure modes, and helps improve model evaluation and quality standards.
Model-written summary · the original posting is authoritative