Welo Global
Project Perseus | Speech & Voice AI Analyst - Portuguese (Portugal) Speakers
California +11 · On-site · Full-time · Posted Apr 27, 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
Austin, TX
Illinois - Experience
- 1 year of work experience in data labeling, annotation, or content-focused work; or 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 requirement.
- Visa sponsorship
- Must be authorized to work in the U.S.; no visa sponsorship.
About the job
Produce and quality-check speech and voice data labels, including transcription, categorization, and tagging, to support AI training pipelines.
What you'll do
- Annotate speech and voice datasets according to detailed guidelines, maintaining accuracy and throughput.
- Transcribe, categorize, and tag audio and language data; escalate ambiguous cases.
- Adapt to changing workflows and participate in team calibrations and quality-alignment sessions.
What they ask for
- Native-level fluency in Portuguese (Portugal).
- Strong written communication skills and language fundamentals.
- Ability to follow detailed instructions consistently and maintain accuracy in repetitive tasks.
- Ability to manage time, maintain steady output, and work in a structured environment.
Nice to have
- Basic familiarity with AI, speech technology, or language data.
Pay
USD 28–28 per hour (base wage)
AI focus
Create and annotate speech and voice datasets used to train AI systems.
Model-written summary · the original posting is authoritative