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Welo Data is seeking detail-oriented and reliable individuals to support speech and voice AI systems as Data Labeling Analysts.

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 appropriately.
Adapt to evolving guidelines and workflows as systems and requirements change.
Support baseline data production needs for AI training pipelines.
Contribute to team calibrations and quality alignment sessions.

Native-level fluency in Portuguese (Portugal).
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 or equivalent academic qualification 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.
Must be authorized to work in the U.S. (no visa sponsorship).

Data Annotator-Portuguese(Portugal) Speaker at Welo Data

Data Annotator-Portuguese(Portugal) Speaker