Matheus M.

Key Skills

Software

Other

Top Subject Matter

AI response evaluation and content quality assessment

Machine learning data annotation and validation

Top Data Types

Text

Top Task Types

Classification

Freelancer Overview

Outlier AI | Remote freelancer (AI model evaluation/training). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

Outlier AI | Remote freelancer (AI model evaluation/training)

OtherText

Evaluated and trained AI models by reviewing AI-generated responses against strict project guidelines. Assessed and improved AI outputs to ensure they met quality standards and aligned with the defined requirements. Performed consistency checks to support reliable dataset or model behavior across tasks. • Reviewed AI responses according to detailed rubric-based guidelines • Scored/validated outputs to improve quality and adherence to specifications • Flagged issues to maintain accuracy and reduce guideline deviations • Supported iterative refinement of AI behavior through feedback

2025 - Present

CrowdGen | Remote freelancer (AI data annotation/validation)

OtherTextClassification

Participated in AI data annotation and validation projects focused on machine learning training datasets. Ensured data quality by checking that annotated items were accurate and consistent with project expectations. Contributed to improving the reliability of labeled data used for downstream model training. • Performed data annotation and validation for ML training datasets • Verified label accuracy and consistency with task guidelines • Helped ensure dataset quality and reduce annotation errors • Supported dataset readiness for machine learning training pipelines

2024 - 2025

Education

Work History