Welo Global
Project Perseus | Data Quality Analyst - Portuguese (Portugal) Speakers (Human-in-the-Loop AI)
California +11 · 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
Austin, TX
Los Angeles, CA
Chicago, IL
Boston, MA
Washington, D.C. - Experience
- 2–4 years in data annotation, content quality, QA, or related fields.
- Education
- University degree (Bachelor’s or higher).
- Visa sponsorship
- Must be authorized to work in the U.S.; no visa sponsorship.
About the job
Audits data-labeling work, supports and coaches Data Labeling Associates, and helps maintain quality and execution across human and model outputs.
What you'll do
- Audit DLA outputs, provide actionable feedback, and help interpret evolving guidelines.
- Support DLA onboarding and training; monitor workflows and escalate blockers or risks.
- Identify recurring issues and contribute to improving guidelines, processes, and team performance.
What they ask for
- Native-level Portuguese (Portugal) proficiency and a university degree (Bachelor’s or higher).
- B2 or higher English proficiency.
- Strong ability to interpret and consistently apply complex guidelines, with excellent attention to detail.
- Experience in AI/ML data workflows or human-in-the-loop evaluation environments, and auditing or reviewing others’ work.
Nice to have
- Familiarity with safety, compliance, or policy-driven content evaluation.
Pay
USD 38–38 per-hour-wage (base salary)
AI focus
Audits human and model outputs and supports AI/ML data workflows and human-in-the-loop evaluation.
Model-written summary · the original posting is authoritative