Remote AI Data Annotator — Sharp Thinker & Detail Pro

Synthires; España; Remote; EUR 62,000 - 111,000; Full time

Job summary

Synthires is seeking Generalists to contribute to a dynamic customer project focused on training and evaluating next-generation AI systems. This fully remote role emphasizes critical thinking, attention to detail, and clear communication, with no prior AI experience required.

You will analyze, annotate, and review datasets to support AI training and validation, delivering precise feedback and maintaining high quality across tasks while working with distributed teams worldwide.

Qualifications

• Excellent written and spoken English.
• Strong critical thinking and analytical reasoning skills.
• Excellent attention to detail and accuracy.
• Ability to produce precise, high-quality work independently.
• Strong written and verbal communication skills.
• Ability to follow detailed project requirements and quality standards.
• Strong time-management and organizational skills.
• Ability to work effectively in a fully remote environment.
• Commitment to completing assignments on time and to a high standard.

Responsibilities

• Analyze, evaluate, and annotate datasets to support AI system training and validation.
• Provide clear, accurate, and high-quality written input and feedback based on project requirements.
• Review and refine AI model outputs to improve relevance, accuracy, and overall quality.
• Complete problem-solving tasks requiring critical thinking and cross-domain understanding.
• Apply project guidelines consistently across assigned tasks and deliverables.
• Participate in quality assurance processes to maintain project standards.
• Communicate findings, observations, and insights effectively through written and verbal channels.
• Identify inconsistencies or areas for improvement in data and model outputs.
• Maintain a high level of accuracy and attention to detail throughout all project activities.
• Collaborate effectively with remote project teams in a digital-first environment.

Skills

Written English (English proficiency)

Critical thinking

Attention to detail

Independent work

Written and verbal communication

Time management

Remote collaboration

Data labeling experience (preferred)

Job description

Synthires is seeking Generalists to contribute to a dynamic customer project focused on training and evaluating next-generation AI systems. This fully remote role emphasizes critical thinking, attention to detail, and clear communication, with no prior AI experience required.

You will analyze, annotate, and review datasets to support AI training and validation, delivering precise feedback and maintaining high quality across tasks while working with distributed teams worldwide.