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Video Data Annotation Specialist - AI Training

🕒 7 days ago
📍 🇧🇷 Brazil +5 - Remote?🎹 Mid-level⌨️ Data Entry Specialist📢 🇬🇧 English Required⏳ Temporary/Contract
Video AnnotationAudio AnnotationAI Output EvaluationContent Moderation
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📜 Description

  • Review and annotate short video and audio clips using project-specific guidelines.
  • Evaluate AI-generated descriptions for accuracy, relevance, and appropriateness.
  • Assess multimedia content against moderation standards and explain flagged or uncertain material.
  • Identify inaccuracies, ambiguities, and inconsistencies in AI-generated outputs.
  • Provide concise feedback to improve AI performance and data quality.
  • Maintain annotation accuracy and consistency while collaborating with project teams to clarify guidelines and workflows.

🛠️ Requirements

  • Strong written English skills and the ability to communicate findings clearly.
  • Excellent attention to detail when reviewing visual and audio content.
  • Ability to follow detailed instructions and apply evaluation criteria consistently.
  • Strong analytical skills and sound judgment when identifying inaccuracies or ambiguous content.
  • Ability to work independently in a remote environment and adapt to changing project requirements.
  • Commitment to data confidentiality and ethical handling of sensitive information.
Full job description

About Gramian

Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs.

About the Role

We are looking for detail-oriented Video Data Annotators to support the training and evaluation of next-generation AI systems. You will review short video and audio clips, label multimedia content, assess AI-generated descriptions, and evaluate content against established moderation guidelines. Your work will help improve AI accuracy, content understanding, and output quality. Prior AI experience is not required.

Key Responsibilities

  • Review and annotate short video and audio clips according to project-specific guidelines.

  • Evaluate AI-generated descriptions for accuracy, relevance, and appropriateness.

  • Assess multimedia content against established moderation standards and flag potentially inappropriate or uncertain material with clear explanations.

  • Identify inaccuracies, ambiguities, and inconsistencies in AI-generated outputs.

  • Provide concise written feedback to support improvements in AI performance and data quality.

  • Maintain high levels of annotation accuracy and consistency across large volumes of submissions.

  • Collaborate remotely with project managers and team members to clarify guidelines and improve workflows.

  • Follow confidentiality, data protection, and responsible data-handling requirements.

Requirements

  • Strong written English skills and the ability to communicate findings clearly.

  • Excellent attention to detail when reviewing visual and audio content.

  • Ability to follow detailed instructions and apply evaluation criteria consistently.

  • Strong analytical skills and sound judgment when identifying inaccuracies or ambiguous content.

  • Ability to work independently in a remote environment and adapt to changing project requirements.

  • Commitment to data confidentiality and ethical handling of sensitive information.

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