Valerio T.

Key Skills

Software

OneForma

Other

Top Subject Matter

AI/LLM Safety

Conversational AI

AI/ML Training Datasets

Top Data Types

Image

Medical Dicom

Text

Audio

Document

Top Task Types

Classification

Evaluation/Rating

Prompt + Response Writing (SFT)

Text Generation

Text Summarization

Red Teaming

Audio Recording

Freelancer Overview

Data Annotator & LLM Response Evaluator. Brings 12+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and OneForma. Education includes Doctor of Philosophy, Federal University of Rio de Janeiro (2016) and Bachelor of Science, University of Parma (2011). AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including Red Teaming, Evaluation, and Rating.

Reviews (1)

Labeling Experience

Audio Data Contributor

OtherAudioAudio Recording

As an Audio Data Contributor at OpenTrainAI, I recorded and curated audio datasets to assist with multimodal language model training. I ensured every recording met strict acoustic and linguistic standards for improved model development. My efforts supported advancements in high-fidelity speech recognition and synthesis models. • Curated diverse audio datasets for AI/ML use • Maintained precise audio quality and linguistic accuracy • Ensured compliance with detailed dataset requirements • Facilitated development of advanced speech recognition systems

2025 - Present

Data Annotation & Quality Reviewer

OneFormaImageClassification

In my role as a Data Annotation & Quality Reviewer at OneForma, I performed multi-modal annotation tasks involving image evaluation, text labeling, and audio transcription checks. I focused on ensuring consistency and accuracy in large datasets for AI/ML training projects. I actively collaborated with project managers to refine annotation guidelines and optimize data quality. • Carried out large-scale image and text annotations • Reviewed audio transcriptions for quality standards • Enhanced dataset consistency for AI training • Updated and clarified annotation instructions with the team

2025 - Present

Response evaluation for safety

OtherTextEvaluation/RatingRed Teaming

The project involved the evaluation of responses on different dimension. I dedicated most part of the time in creating prompt that could generate potential harmful and evaluate them by labeling.

2024 - 2024

Education

Work History