Speech and Voice AI Data Labeling Analyst — Portuguese (Portugal)

Job overview

The Speech and Voice AI Data Labeling Analyst role is 100% onsite in Burlingame, CA; remote work is not available. The stated pay rate is $34 per hour. Welo Data supports speech and voice AI systems by producing training data for language and AI workflows. The analyst labels and annotates speech datasets, including transcription, categorization, and tagging, while following detailed guidelines and quality expectations. Accurate, representative data supports the training of speech and voice models used with real users.

What you'll do

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

What we're looking for

Skills & competencies

data labeling analyst

speech and voice ai

portuguese (portugal)

burlingame ca

welo data

onsite

full-time

$34/hr

audio annotation

transcription

ai training data

medical insurance

401(k)

paid vacation

Work arrangement

• Weekend coverage required

Benefits & perks

• Six paid vacation days
• two paid company holidays
• paid sick leave per applicable law and policy
• medical, dental, and vision insurance subject to eligibility
• HSA
• 401(k)
• employee assistance program
• voluntary benefits
• onsite meals and commuter benefits where applicable.

Why this role

Requires native-level Portuguese (Portugal) fluency; onsite hiring is limited to listed cities, including Burlingame; no visa sponsorship.

About the employer

Welo Data is hiring for this role. Industry: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. Sector: 51.