Speech and Voice AI Data Labeling Analyst – Japanese

Job overview

The Speech and Voice AI Data Labeling Analyst – Japanese is an onsite, full-time role in Los Angeles, California, with pay of $26–$28 per hour. The posting also lists other eligible work locations, including New York City, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, Burlingame, Austin, Washington, D.C., Chicago, and Boston. Welo Data provides multilingual content and training-data services that support language technologies and AI systems. The analyst produces and annotates speech and voice datasets used to train AI systems. The role follows detailed guidelines for transcription, categorization, and tagging, maintains accuracy and throughput, escalates ambiguous cases, and participates in team calibration and quality alignment.

What you'll do

• Complete high-volume speech and voice data labeling and annotation
• follow guidelines to maintain consistency, accuracy, and data integrity
• transcribe, categorize, and tag audio and language data
• meet throughput and quality expectations
• escalate unclear cases
• adapt to changing workflows
• support AI training data production
• participate in team calibration and quality alignment.

What we're looking for

Skills & competencies

data labeling analyst

speech ai

voice ai

japanese

audio annotation

transcription

language data

ai training data

onsite

los angeles ca

welo data

$26–$28 per hour

full-time

Work arrangement

• Weekend coverage required

Benefits & perks

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

Why this role

Requires native-level Japanese fluency and either one year of data labeling, annotation, or content-focused work experience or a related bachelor’s degree/equivalent; the role is 100% onsite and does not offer visa sponsorship.

About the employer

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