Portuguese (Brazil) Quality Control Lead

W
Welo DataAI Data Quality
Brazil / Mexico / Argentina / SpainContractLead
Salary not disclosed
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Job Details

Languages
Native-level proficiency in Portuguese (Brazil) and professional written and spoken English.
Experience
Minimum 2 years of experience in AI training, data annotation, linguistic quality, localization QA, or a related quality assurance role; at least 1 year of experience leading or supervising reviewers, annotators, or quality teams.
Required Skills
Quality AssuranceNLP

Requirements

  • Native-level proficiency (CEFR C2 or equivalent) in Portuguese (Brazil).
  • Professional written and spoken English.
  • Minimum 2 years of experience in AI training, data annotation, linguistic quality, localization QA, or a related quality assurance role.
  • At least 1 year of experience leading or supervising reviewers, annotators, or quality teams.
  • Strong understanding of linguistic quality, including grammar, fluency, tone, register, and cultural nuances.
  • Experience providing structured, evidence-based feedback and coaching others to improve quality.
  • Excellent analytical skills with the ability to evaluate complex tasks.
  • Strong organizational skills and the ability to manage multiple priorities in a fast-paced remote environment.

Responsibilities

  • Lead and support a team of approximately 10 Quality Control Reviewers, ensuring consistent quality standards across the Portuguese (Brazil) locale.
  • Review reviewer feedback, audit quality, and ensure alignment with project guidelines.
  • Act as the primary quality point of contact for the Portuguese (Brazil) locale, resolving quality questions and escalating complex issues when necessary.
  • Conduct calibration sessions and provide structured coaching to improve reviewer performance.
  • Monitor quality trends, identify risks, and proactively address performance gaps.
  • Support the onboarding and development of new Quality Control Reviewers.
  • Collaborate with global Quality Teams to improve processes, documentation, and quality consistency across AI training tasks.
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