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From the employer's careers site First seen 5 Nov 2026

Project Perseus | Speech & Voice AI Analyst - Spanish (Spain) Speakers

Welo Data California On-site full-time

Salary

USD 28-28 per-hour-wage

Apply on Welo Data

Description

Welo Data is seeking detail-oriented individuals to join their team as Speech & Voice AI Analysts, focusing on building datasets for real-world AI systems.

You will work with audio, speech, and language data, ensuring models are trained on accurate and representative inputs.

Project Details

  • Job Title: Speech & Voice AI Analyst
  • Location: Onsite in California
  • Hours: Full-time, 40 hours per week
  • Employment Type: Full-time W2 Employee
  • Hourly Pay Rate: $28/hour

Responsibilities

  • Execute high-volume data labeling and annotation tasks across speech and voice datasets
  • Follow detailed guidelines to ensure consistency, accuracy, and data integrity at scale
  • Work with audio and language data, including transcription, categorization, and tagging
  • Maintain strong throughput while meeting quality expectations
  • Escalate unclear or ambiguous cases
  • Adapt to evolving guidelines and workflows
  • Support baseline data production needs for AI training pipelines
  • Contribute to team calibrations and quality alignment sessions

Requirements

  • Native-level fluency in Spanish (Spain)
  • Strong written communication skills and language fundamentals
  • 1 year of work experience in data labeling, annotation, or content-focused work; or a Bachelor's degree in a related field
  • Ability to follow detailed instructions and apply guidelines consistently
  • High attention to detail and ability to maintain accuracy in repetitive tasks
  • Comfort working in structured, process-driven environments
  • Ability to manage time effectively and maintain steady output
  • Willingness to ask questions and escalate when needed
  • Basic familiarity with AI, speech technology, or language data is a plus

Benefits

  • Paid Vacation: 6 days
  • Paid Company Holidays: 2 days
  • Paid Sick Leave
  • Medical, Dental, and Vision Insurance
  • Health Savings Account (HSA)
  • 401(k) Retirement Plan
  • Employee Assistance Program
  • Additional voluntary benefits
  • Onsite perks: free breakfast, lunch, and dinner; stocked micro-kitchens; commuter benefits

Skills

Required

  • Spanish
  • data labeling
  • annotation
  • transcription
  • categorization
  • tagging

Nice to have

  • AI
  • speech technology
  • language data

Ready to apply?

You apply with the employer directly. Their original posting is here: https://jobs.lever.co/weloglobal/48b1496f-97ae-40e9-9637-f7829dbafaf4

Apply on Welo Data