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Fernando A

Fernando A

AI Content Evaluator - Technology & Internet

Costa Rica flagAlajuela, Costa Rica
$7.25/hrIntermediateAppen

Key Skills

Software

AppenAppen

Top Subject Matter

No subject matter listed

Top Data Types

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Top Task Types

Classification

Freelancer Overview

I am an analytical professional with hands-on experience in AI training data evaluation and prompt design, specializing in natural language processing tasks. My background includes assessing and ranking AI-generated responses for accuracy, reasoning quality, and relevance, as well as designing complex prompts to rigorously test language models. I excel at identifying subtle errors and inconsistencies, providing clear feedback, and ensuring that outputs meet real-world user needs. With a strong foundation in information technology and a keen interest in artificial intelligence, I bring a user-centered approach, attention to detail, and critical thinking skills to every data labeling and annotation project I undertake.

IntermediateEnglishSpanishPortuguese

Labeling Experience

Appen

Data labelling trainer

AppenImageClassification
Annotating visual data containing animals in diverse envioronments using controlled taxonomy to avoid ambiguity drawing bounding boxes around animals to localize the subjects, the dataset size tipically ranged from 10000 to 250000+images depending on project phase finally the quality measures were detailed by annotation guidelines and with amulti stage review

Annotating visual data containing animals in diverse envioronments using controlled taxonomy to avoid ambiguity drawing bounding boxes around animals to localize the subjects, the dataset size tipically ranged from 10000 to 250000+images depending on project phase finally the quality measures were detailed by annotation guidelines and with amulti stage review

2025 - 2025

Education

N

N/A

Bachelor of Science, Information Technology

Bachelor of Science
2021 - 2024

Work History

T

Trustscale ai

Qa rewiever

Alajuela
2024 - 2025