Project Perseus - Speech & Voice AI Analyst - Portuguese; Brazil Speakers

Overview

Welo Data is looking for detail-oriented and reliable individuals to join our team as Data Labeling Analysts, supporting speech and voice AI systems. This is a high-impact production role focused on building the datasets that power real-world AI systems. You’ll be working with audio, speech, and language data — helping ensure models are trained on accurate, well-structured, and representative inputs. While this role is more execution-focused than evaluation-heavy, it still requires strong judgment, attention to detail, and consistency.

The work sits at the intersection of language, data, and AI systems — where precision and discipline matter ’re looking for people who are dependable, focused, and take pride in producing high-quality work, even across repetitive workflows.

• Job Title:
  
  Data Labeling Analyst
• Hiring in:
  Onsite (Bay Area, Seattle, NYC, or client-dependent)
• Hours:
  
  Full-time, 40 hours per week
• Employment Type:
  
  W2 Full-Time Employee
• Work Authorization:
  Must be authorized to work in the U.S. (no visa sponsorship)
• Pay Rate: $26 - $28 per hour
• Location:
  
  100% onsite; candidates must be located in or able to commute to one of the following cities: NYC, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, Burlingame, Austin, Los Angeles, Washington DC, Chicago, Boston
• Identification Verification:
  All new employees will complete a live video verification with selected IDs and provide photos of these IDs within their first three days of employment

Ability to work independently and maintain high quality in repetitive tasks. Strong judgment, attention to detail, and consistency. Reliable, focused, and dependable work ethic. Ability to comply with federal employment verification processes.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.