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M
Marco Antonio A.

Marco Antonio A.

Independent AI Trainer & Data Annotation Specialist

Mexico flagMexico City, Mexico

Key Skills

Software

Scale AIScale AI

Top Subject Matter

LLM training
RLHF evaluation
AI response quality and safety alignment

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

RLHFRLHF
ClassificationClassification
Entity (NER) ClassificationEntity (NER) Classification

Freelancer Overview

Independent AI Trainer & Data Annotation Specialist (Outlier / Scale Labs). Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Scale AI. Education includes Technical Degree in Informatics, Centro de Bachillerato Tecnológico No. 4 and Backend Developer Track, Oracle Next Education (ONE). AI-training focus includes data types such as Text and Image and labeling workflows including RLHF, Evaluation, and Rating.

Labeling Experience

Outlier / Scale Labs | Independent AI Trainer & Data Annotation Specialist

ImageImageEntity (NER) ClassificationEntity (NER) Classification

No description provided.

2026 - Present
Scale AI

Independent AI Trainer & Data Annotation Specialist (Outlier / Scale Labs)

Scale AIScale AITextTextRLHFRLHFClassificationClassification

Independent AI training contractor delivering multimodal data annotation and model feedback for LLM training pipelines. Performed RLHF-based evaluation of AI-generated responses, judging accuracy, coherence, instruction-following, and safety compliance against project guidelines. Produced structured feedback to improve model behavior across diverse prompt types. • Rated outputs using excellence/good quality rubrics • Flagged edge cases and quality failures • Conducted prompt-level evaluation for alignment • Ensured consistent quality across concurrent tasks

2026 - Present

Education

C

Cisco Networking Academy

Junior Cybersecurity Analyst (In Progress), Cybersecurity Analytics

Junior Cybersecurity Analyst (In Progress)
2026
C

Cisco Networking Academy

Ethical Hacker (In Progress), Cybersecurity

Ethical Hacker (In Progress)
2026

Work History

P

Private Company

Specialized Technical Support Engineer

Mexico City
2024 - 2026
A

Apple Mexico

Apple Certified Technician & Trade-In Area Lead

Mexico City
2023 - 2024