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Mauricio Braz

Mauricio Braz

LLM Evaluation and Text Generation Specialist in English & Portuguese

Brazil flagBelo Jardim, Brazil
$22.00/hrIntermediateAppenData Annotation Tech

Key Skills

Software

AppenAppen
Data Annotation TechData Annotation Tech

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
Computer Code ProgrammingComputer Code Programming
TextText

Top Task Types

Classification
Computer Programming Coding
Evaluation Rating
Fine Tuning
Translation Localization

Freelancer Overview

I have over a year of hands-on experience in data annotation, I have worked on diverse projects involving multiple data types, including: Audio input, transcribing, labeling, and categorizing speech data for machine learning models. Text interpretation, annotating and structuring textual data for NLP tasks, sentiment analysis, and intent classification. Fine-tuning AI Responses, improving model accuracy by refining datasets and ensuring high-quality outputs. Image labeling, classifying and tagging images for computer vision applications, including object detection and localization. Localization, adapting datasets for region-specific contexts to enhance model relevance. I have contributed to projects from various sources, including personal initiatives, demonstrating strong attention to detail and a commitment to delivering precise, structured annotations for AI training.

IntermediateEnglishSpanishPortuguese

Labeling Experience

Data Annotation Tech

Text evaluator

Data Annotation TechTextSegmentationText Generation
Classification, Summary, Response and evaluation of several models in order to explore possible vulnerabilities, exploits or biases that would harm the performance of the LLM being trained.

Classification, Summary, Response and evaluation of several models in order to explore possible vulnerabilities, exploits or biases that would harm the performance of the LLM being trained.

2024
Data Annotation Tech

Image classification

Data Annotation TechImageClassificationQuestion Answering
The main task is to classify images both created by AI and other image data that has not yet been labaled, indicating subtleties and possible complications in the categorization of each image.

The main task is to classify images both created by AI and other image data that has not yet been labaled, indicating subtleties and possible complications in the categorization of each image.

2024

Education

F

Federal Institute of Science and Technology of Paraíba

N/A, Analysis and Systems Development

N/A
2012 - 2020

Work History

F

Freelance

Data Analyst

Recife
2024 - Present
S

Self-Employed

Data Scientist

Recife
2023 - 2024