Welo Global
Project Perseus | Speech & Voice AI Analyst - Spanish (Mexico) Speakers
California +9 · On-site · Full-time · Posted Oct 13, 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 year of experience in data labeling, annotation, or content-focused work; alternatively, a Bachelor's degree or equivalent academic qualification in a related field.
- Education
- A Bachelor's degree or equivalent academic qualification in a related field is an alternative to the stated work experience.
- Visa sponsorship
- Must be authorized to work in the U.S.; no visa sponsorship.
About the job
Produces and quality-checks speech and voice data labels, including transcription, categorization, and tagging, for AI training datasets.
What you'll do
- Label and annotate high-volume speech and voice datasets according to detailed guidelines.
- Transcribe, categorize, and tag audio and language data while meeting accuracy and throughput expectations.
- Escalate ambiguous cases and participate in team calibrations and quality alignment.
What they ask for
- Native-level fluency in Spanish (Mexico).
- Strong written communication skills and language fundamentals.
- Ability to follow detailed instructions consistently and maintain accuracy in repetitive tasks.
- Must be authorized to work in the U.S.; no visa sponsorship.
Nice to have
- Basic familiarity with AI, speech technology, or language data.
Pay
USD 28–28 (per-hour-wage; hourly pay)
AI focus
Supports AI training pipelines by labeling speech, voice, audio, and language data.
Model-written summary · the original posting is authoritative