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R

Rebeca Francelino

Medical AI Data Annotation and RLHF Contributor

BRAZIL flag
São Paulo, Brazil
Entry Level

Key Skills

Software

No software listed

Top Subject Matter

Medical Imaging
Neuroradiology Domain Expertise
Head & Neck Oncology

Top Data Types

No data types listed

Top Task Types

RLHF

Freelancer Overview

Medical AI Data Annotation and RLHF Contributor. Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Doctor of Medicine, Universidade de Pernambuco (2018). AI-training focus includes data types such as Medical and DICOM and labeling workflows including RLHF.

Entry Level

Labeling Experience

Medical AI Data Annotation and RLHF Contributor

RLHF
Engaged in medical AI data annotation and algorithmic ground-truth validation as part of clinical and academic duties. Participated in RLHF (Reinforcement Learning from Human Feedback) for training medical large language models and improving diagnostic accuracy. Leveraged domain knowledge in neuroradiology and head & neck imaging for specialized annotation tasks. • Focused on volumetric image data involving MRI and CT scans. • Tasks included validation and correction of AI-generated diagnostic suggestions. • Contributed expertise in neuro-oncology imaging annotation. • Utilized internal/proprietary tooling for ground-truth curation.

Engaged in medical AI data annotation and algorithmic ground-truth validation as part of clinical and academic duties. Participated in RLHF (Reinforcement Learning from Human Feedback) for training medical large language models and improving diagnostic accuracy. Leveraged domain knowledge in neuroradiology and head & neck imaging for specialized annotation tasks. • Focused on volumetric image data involving MRI and CT scans. • Tasks included validation and correction of AI-generated diagnostic suggestions. • Contributed expertise in neuro-oncology imaging annotation. • Utilized internal/proprietary tooling for ground-truth curation.

Not specified

Education

U

Universidade de Pernambuco

Doctor of Medicine, Medicine

Doctor of Medicine
2012 - 2018

Work History

H

Hospital Israelita Albert Einstein

Attending Radiologist – Neuroradiology and Head & Neck Imaging

São Paulo
2025 - Present
H

Hospital Madre Teresa

Medical Resident – Radiology and Diagnostic Imaging

Belo Horizonte
2019 - 2022