Speech and Voice AI Data Labeling Analyst – Portuguese (Brazil)

Job overview

The Speech and Voice AI Data Labeling Analyst – Portuguese (Brazil) role is 100% onsite in Redmond, WA, with hiring also described for other listed cities depending on client needs. The posting lists pay of $26–$28 per hour. Welo Data’s language and training-data services support AI and machine-learning systems. The analyst produces and annotates speech and voice datasets, including transcription, categorization, and tagging. Consistent application of detailed guidelines, quality expectations, and escalation procedures helps create accurate training data for AI pipelines.

What you'll do

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

What we're looking for

Skills & competencies

speech and voice ai

data labeling analyst

portuguese (brazil)

redmond wa

welo data

onsite

audio annotation

transcription

language data

ai training data

$26–$28/hr

Work arrangement

• Weekend coverage required

Benefits & perks

• Paid vacation
• paid company holidays
• paid sick leave
• medical, dental, and vision insurance
• HSA
• 401(k)
• employee assistance program
• voluntary benefits. Onsite perks may include meals, snacks, and commuter benefits where applicable.

Why this role

The posting requires native-level Brazilian Portuguese fluency and specifies that remote work is unavailable.

About the employer

Welo Data is hiring for this role. Industry: Media Representatives. Sector: 54.