Brazilian Portuguese Data Labeling Analyst (Onsite)

Welo Data; Washington; On-site; USD 33,000 - 44,000; Full time

Benefits offered by this job

Paid vacation

Company holidays

Sick leave

Health insurance

HSA

401(k)

Employee assistance

Voluntary benefits

Free meals

Snacks & beverages

Commuter benefits

Campus perks

Job summary

Welo Data is seeking detail-oriented Data Labeling Analysts to support speech and voice AI systems on-site across multiple U.S. locations.

This 40‑hour, full-time role emphasizes building accurate, well-structured datasets from audio and language data with careful adherence to guidelines. Candidates should demonstrate strong attention to detail, reliability, and the ability to work consistently in structured, process-driven environments.

Qualifications

• 1 year of data labeling work or related field.
• Ability to follow detailed instructions consistently.
• High attention to detail and accuracy in repetitive tasks.

Responsibilities

• Evaluate AI model outputs and provide structured feedback.
• Audit data and model behavior to identify patterns and edge cases.
• Apply guidelines thoughtfully and flag mismatches with real-world scenarios.
• Document findings clearly for stakeholders.

Skills

Brazilian Portuguese (native)

Attention to detail

Written communication

Time management

Education

Bachelor's degree or equivalent

Tools

Data labeling tools

Job description

Welo Data is seeking detail-oriented Data Labeling Analysts to support speech and voice AI systems on-site across multiple U.S. locations.

This 40‑hour, full-time role emphasizes building accurate, well-structured datasets from audio and language data with careful adherence to guidelines. Candidates should demonstrate strong attention to detail, reliability, and the ability to work consistently in structured, process-driven environments.