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Vinicius Vaz Nogueira

Vinicius Vaz Nogueira

Multilingual AI Data Trainer

Brazil flagAracaju, Brazil
$10.00/hrEntry LevelLabelboxRemotasksScale AI

Key Skills

Software

LabelboxLabelbox
RemotasksRemotasks
Scale AIScale AI

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
DocumentDocument
TextText

Top Task Types

Evaluation Rating
Prompt Response Writing SFT
Red Teaming
RLHF
Translation Localization

Freelancer Overview

Multilingual AI Trainer with over six months of experience in data annotation and AI training, specializing in RLHF. Proven background in project management, quality assurance, and team leadership, leveraging expertise in qualitative data analysis and cross-cultural communication to enhance the safety, accuracy, and relevance of Large Language Models. Experience includes enhancing LLM performance through expert data annotation and categorization across nine projects in English and Portuguese, with a focus on safety, evaluation criteria, and RLHF initiatives. Skilled in engineering and refining targeted prompts to test model capabilities, identify weaknesses, and mitigate biases, leading quality control efforts by reviewing and providing detailed feedback on over 50 tasks from other contributors—experience with platforms such as Labelbox and Scale AI.

Entry LevelFrenchEnglishRussianSpanishPortuguese

Labeling Experience

Labelbox

Labelbox Audio Portuguese Project

LabelboxAudioEvaluation RatingAudio Recording
Participation as reviewer of audio collected for enhancing audio recognition and transcription AI models. Reviewed the work of other data labelers.

Participation as reviewer of audio collected for enhancing audio recognition and transcription AI models. Reviewed the work of other data labelers.

2025 - 2025
Scale AI

LLM Safety and Security Scale AI Projects

Scale AITextText SummarizationTranslation Localization
Evaluation, SFT, Localization of safety and security-related LLM content.

Evaluation, SFT, Localization of safety and security-related LLM content.

2025 - 2025

Education

I

Instituto Séneca

Master's Degree, Negotiation & Conflict Resolution

Master's Degree
2022 - 2025
U

University of London - London School of Economics (LSE)

Graduate Diploma, International Development

Graduate Diploma
2018 - 2020

Work History

U

United Nations Mission in Colombia

Field Officer

Bogotá
2023 - 2023
I

IMPACT Initiatives

Junior Assessment Officer

Lviv
2022 - 2023