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Carlos Mcreynolds

Carlos Mcreynolds

Data Quality & Evaluation Analyst

Argentina flagBuenos Aires, Argentina
$15.00/hrEntry LevelOtherAws Sagemaker

Key Skills

Software

Other
AWS SageMakerAWS SageMaker

Top Subject Matter

Business Analytics
SME Quality Evaluation
AI Model Output Assessment

Top Data Types

TextText
DocumentDocument
AudioAudio

Top Task Types

ClassificationClassification

Freelancer Overview

AI Data Labeling Specialist (Freelance). Brings 22+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and AWS SageMaker. Education includes Master of Science, Illinois State University (2012) and Master of Science, Florida International University (2001). AI-training focus includes data types such as Audio and Document and labeling workflows including Evaluation and Rating.

Entry LevelEnglishSpanishGerman

Labeling Experience

AI Data Labeling Specialist (Freelance)

OtherAudio
Reviewed and labeled GenAI-generated audio files for transcription errors, hallucinations, and quality inconsistencies. Utilized a structured rubric to classify audio accuracy, mispronunciations, incorrect content, and semantic drift. Maintained rigorous throughput to meet client benchmarks for AI model training datasets.• Applied established annotation guidelines for error identification • Provided granular quality feedback for model improvement • Developed expertise in audio data annotation workflows • Ensured client deadlines and throughput targets were consistently met

Reviewed and labeled GenAI-generated audio files for transcription errors, hallucinations, and quality inconsistencies. Utilized a structured rubric to classify audio accuracy, mispronunciations, incorrect content, and semantic drift. Maintained rigorous throughput to meet client benchmarks for AI model training datasets.• Applied established annotation guidelines for error identification • Provided granular quality feedback for model improvement • Developed expertise in audio data annotation workflows • Ensured client deadlines and throughput targets were consistently met

2025 - 2025

Education

I

Illinois State University

Master of Science, Actuarial Science

Master of Science
2010 - 2012
F

Florida International University

Master of Science, Economics

Master of Science
2000 - 2001

Work History

C

Catalis

Data Quality & Evaluation Analyst

Chicago
2021 - 2024
M

Milhouse Construction & Engineering

Business Intelligence & Data Analyst

Chicago
2019 - 2021