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Daniel Pauli Lucena

AI Trainer / Data Annotator Generalist and STEM Specialist (DataAnnotation, Outlier AI, Invisible Technologies)

BRAZIL flag
São José do Rio Preto, Brazil
$25.00/hrIntermediateData Annotation Tech

Key Skills

Software

Data Annotation TechData Annotation Tech

Top Subject Matter

Stem Domain Expertise
General Knowledge
Education Domain Expertise

Top Data Types

TextText
ImageImage
AudioAudio

Top Task Types

Classification
Object Detection
Question Answering
Text Summarization
RLHF
Evaluation Rating
Prompt Response Writing SFT

Freelancer Overview

AI Trainer / Data Annotator Generalist and STEM Specialist (DataAnnotation, Outlier AI, Invisible Technologies). Brings 17+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Master of Science, São Paulo State University (2008) and Bachelor of Science, São Paulo State University (2005). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediatePortugueseEnglish

Labeling Experience

AI Trainer / Data Annotator Generalist and STEM Specialist (DataAnnotation, Outlier AI, Invisible Technologies)

Text
As an AI Trainer and Data Annotator Generalist and STEM Specialist, I contributed to the evaluation and training of AI systems. My primary tasks included annotating and reviewing text data for quality and accuracy to enhance large language models. I worked on a variety of STEM-related data labeling tasks involving question answering, classification, and evaluation of model outputs. • Annotated and evaluated STEM and general text data outputs • Provided expert feedback on AI-generated text to improve quality • Utilized internal and proprietary annotation tools for labeling • Collaborated with teams to maintain annotation consistency and high accuracy

As an AI Trainer and Data Annotator Generalist and STEM Specialist, I contributed to the evaluation and training of AI systems. My primary tasks included annotating and reviewing text data for quality and accuracy to enhance large language models. I worked on a variety of STEM-related data labeling tasks involving question answering, classification, and evaluation of model outputs. • Annotated and evaluated STEM and general text data outputs • Provided expert feedback on AI-generated text to improve quality • Utilized internal and proprietary annotation tools for labeling • Collaborated with teams to maintain annotation consistency and high accuracy

2025 - Present

Education

S

São Paulo State University

Master of Science, Science Education

Master of Science
2008 - 2008
S

São Paulo State University

Bachelor of Science, Biological Sciences

Bachelor of Science
2005 - 2005

Work History

P

Pequeno Príncipe School

Biology and Natural Sciences Teacher

Ribeirão Preto
2020 - Present
K

Kelvin School

Biology and Natural Sciences Teacher

São José do Rio Preto
2012 - Present