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Guilherme Braga

Guilherme Braga

AI Training Specialist | AI Data Annotator

BRAZIL flag
N/A, Brazil
$10.00/hrExpertClickworkerOneformaOther

Key Skills

Software

ClickworkerClickworker
OneFormaOneForma
Other
RemotasksRemotasks

Top Subject Matter

Artificial Intelligence/Language Models
AI Model Training/Natural Language Processing
Legal Services & Contract Review

Top Data Types

TextText
Computer Code ProgrammingComputer Code Programming
DocumentDocument

Top Task Types

Prompt Response Writing SFT
Text Generation
Classification
Transcription
Data Collection
Computer Programming Coding

Freelancer Overview

AI Training Specialist | AI Data Annotator. Brings 21+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Technology, Anhanguera Educacional (2025) and Bachelor of Education, CESFP (1999). AI-training focus includes data types such as Text and labeling workflows including Prompt + Response Writing (SFT).

ExpertPortugueseEnglish

Labeling Experience

AI Training Specialist | AI Data Annotator

TextPrompt Response Writing SFT
As an AI Training Specialist and Data Annotator at Outlier, I participated in the creation and refinement of prompts to enhance artificial intelligence model outputs. My duties included critical analysis of AI responses to ensure guideline compliance and the highest possible response accuracy. Collaboration with multidisciplinary teams was crucial for continuous quality improvement. • Developed and optimized prompts for AI models. • Evaluated AI-generated responses for coherence and standards compliance. • Contributed to workflow improvements with ongoing team feedback. • Improved the quality and reliability of AI model outputs.

As an AI Training Specialist and Data Annotator at Outlier, I participated in the creation and refinement of prompts to enhance artificial intelligence model outputs. My duties included critical analysis of AI responses to ensure guideline compliance and the highest possible response accuracy. Collaboration with multidisciplinary teams was crucial for continuous quality improvement. • Developed and optimized prompts for AI models. • Evaluated AI-generated responses for coherence and standards compliance. • Contributed to workflow improvements with ongoing team feedback. • Improved the quality and reliability of AI model outputs.

2022 - Present

Business Consultant (AI Training/Prompt Engineering)

TextPrompt Response Writing SFT
While serving as a Business Consultant at Trinn Phone, I was involved in AI training by writing and evaluating prompts for language model platforms. Responsibilities included prompt development and systematic analysis of AI-generated responses. The work was aimed at increasing efficiency in AI model training and enriching natural language understanding. • Designed and assessed prompts for natural language models. • Analyzed response outputs for correctness and improvement. • Collaborated on feedback cycles for training enhancement. • Elevated prompt quality and AI accuracy through iteration.

While serving as a Business Consultant at Trinn Phone, I was involved in AI training by writing and evaluating prompts for language model platforms. Responsibilities included prompt development and systematic analysis of AI-generated responses. The work was aimed at increasing efficiency in AI model training and enriching natural language understanding. • Designed and assessed prompts for natural language models. • Analyzed response outputs for correctness and improvement. • Collaborated on feedback cycles for training enhancement. • Elevated prompt quality and AI accuracy through iteration.

2011 - 2012

Education

A

Anhanguera Educacional

Bachelor of Technology, Mobile Development, Computer Programming - Specific Applications

Bachelor of Technology
2022 - 2025
C

CESFP

Bachelor of Education, Education

Bachelor of Education
1997 - 1999

Work History

E

Estúdio Braga

CEO, Web Developer & Project Manager

N/A
2023 - Present
M

Municipal Department of Education

Special Education Teacher

N/A
2024 - 2024