Kevin Daniel Cinco Sánchez

Key Skills

Software

Other

Labelbox

Data Annotation Tech

Top Subject Matter

AI Language Modeling

AI Natural Language Processing

Social Media AI Optimization

Top Data Types

Audio

Text

Image

Top Task Types

Audio Recording

Transcription

Data Collection

Prompt + Response Writing (SFT)

Evaluation/Rating

Text Summarization

Text Generation

Question Answering

Object Detection

Classification

Segmentation

Freelancer Overview

Freelance Voice Actor. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Mercor, Other, and Internal. Education includes Bachelor of Marketing and Digital Media in the Benemérita Universidad Autónoma de Puebla (2021) and Certification in Google Analytics and Google Ads (2027). AI-training focus includes data types such as Audio and Text and labeling workflows including Audio Recording, Transcription, and Evaluation.

Labeling Experience

AI Content & Model Evaluation Specialist

OneformaAudio

In the role of AI Content & Model Evaluation Specialist with Outlier/Alignerr/Data Annotation/OneForma, I reviewed a broad variety of AI and data annotation projects. Responsibilities included audio transcription, prompt engineering, project review, and comprehensive data labeling. My evaluations ensured project quality and the consistent enrichment of AI training datasets. • Reviewed and rated diverse audio and text data labeling tasks. • Created and evaluated prompts to challenge language models. • Improved AI-generated content by identifying strengths and weaknesses. • Collaborated with annotation teams to maintain high project standards.

In the role of AI Content & Model Evaluation Specialist with Outlier/Alignerr/Data Annotation/OneForma, I reviewed a broad variety of AI and data annotation projects. Responsibilities included audio transcription, prompt engineering, project review, and comprehensive data labeling. My evaluations ensured project quality and the consistent enrichment of AI training datasets. • Reviewed and rated diverse audio and text data labeling tasks. • Created and evaluated prompts to challenge language models. • Improved AI-generated content by identifying strengths and weaknesses. • Collaborated with annotation teams to maintain high project standards.

2025 - Present

AI Data Specialist

Text

While working as an AI Data Specialist at Meta, I contributed to AI training by tagging content and optimizing hashtags. Transcription and evaluation tasks focused on multiple Spanish dialects to support high-fidelity AI language models. I also rated AI-generated responses to ensure quality and relevance. • Tagged and categorized social media content for AI learning. • Transcribed and reviewed diverse audio data for language variety. • Evaluated language model output for accuracy and contextual understanding. • Collaborated with teams to refine training datasets for improved model performance.

While working as an AI Data Specialist at Meta, I contributed to AI training by tagging content and optimizing hashtags. Transcription and evaluation tasks focused on multiple Spanish dialects to support high-fidelity AI language models. I also rated AI-generated responses to ensure quality and relevance. • Tagged and categorized social media content for AI learning. • Transcribed and reviewed diverse audio data for language variety. • Evaluated language model output for accuracy and contextual understanding. • Collaborated with teams to refine training datasets for improved model performance.

2024 - Present

Audio Evaluator & Transcriber for AI training

OtherAudioTranscription

As an Audio Evaluator & Transcriber for AI training at Apple, I evaluated and transcribed diverse Spanish dialect audio content. I ensured precise word alignment and added timestamps to create high-quality transcription datasets. My adaptability and attention to detail improved the inclusivity and reliability of the AI language models. • Evaluated and labeled audio files across multiple Spanish dialects. • Created word-by-word transcriptions with exact time markers. • Improved data quality by addressing various linguistic nuances in the audio. • Supported AI training by guaranteeing highly accurate datasets for model improvement.

As an Audio Evaluator & Transcriber for AI training at Apple, I evaluated and transcribed diverse Spanish dialect audio content. I ensured precise word alignment and added timestamps to create high-quality transcription datasets. My adaptability and attention to detail improved the inclusivity and reliability of the AI language models. • Evaluated and labeled audio files across multiple Spanish dialects. • Created word-by-word transcriptions with exact time markers. • Improved data quality by addressing various linguistic nuances in the audio. • Supported AI training by guaranteeing highly accurate datasets for model improvement.

2024 - 2026

Freelance Voice Actor

MercorAudioData Collection

As a freelance voice actor, I provided voice recordings in Mexican Spanish and American English for AI language model development. I enhanced audio dataset quality and natural language fluency through illustrative narration and careful review. My role required attention to detail and the ability to follow specific linguistic guidelines. • Supplied native and bilingual voice data to train and improve language models. • Reviewed and validated audio files for clarity and linguistic accuracy. • Coordinated with project teams to ensure adherence to data requirements. • Contributed to improved AI fluency by implementing feedback on narrative style.

As a freelance voice actor, I provided voice recordings in Mexican Spanish and American English for AI language model development. I enhanced audio dataset quality and natural language fluency through illustrative narration and careful review. My role required attention to detail and the ability to follow specific linguistic guidelines. • Supplied native and bilingual voice data to train and improve language models. • Reviewed and validated audio files for clarity and linguistic accuracy. • Coordinated with project teams to ensure adherence to data requirements. • Contributed to improved AI fluency by implementing feedback on narrative style.

2023 - 2026

Education

Work History