Speech and Voice AI Analyst – Brazilian Portuguese

Job overview

The Speech and Voice AI Analyst – Brazilian Portuguese role is onsite in Los Angeles, CA, with hiring also described for other listed cities. Pay is $26–$28 per hour. The work supports Welo Data’s speech and voice AI training datasets. The analyst labels and annotates speech and voice data, including transcription, categorization, and tagging, following detailed guidelines to maintain accuracy and data integrity. The role contributes consistent, high-quality inputs to AI training pipelines and escalates unclear cases as needed.

What you'll do

• Label and annotate speech and voice datasets
• transcribe, categorize, and tag audio and language data
• follow guidelines for accuracy and data integrity
• maintain throughput and quality
• escalate ambiguous cases
• adapt to changing workflows
• support AI training data production
• participate in team calibrations.

What we're looking for

Skills & competencies

brazilian portuguese

speech ai

voice ai

data labeling

audio annotation

transcription

language data

ai training data

los angeles ca

welo data

onsite

$26–$28/hr

Work arrangement

• Weekend coverage required

Benefits & perks

• Paid vacation, company holidays, sick leave, medical, dental and vision insurance, HSA, 401(k), employee assistance program, and onsite meals and commuter perks where applicable.

Why this role

Native-level Brazilian Portuguese fluency; onsite role; benefits include paid vacation, company holidays, sick leave, medical, dental and vision insurance, HSA, 401(k), and employee assistance program.

About the employer

Welo Data is hiring for this role. Industry: Translation and Interpretation Services. Sector: 54.