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Chandra Racer

Chandra Racer

AI Medical Specialist Annotator - Healthcare

USA flag
Johnsonville, Usa
$40.00/hrIntermediateData Annotation Tech

Key Skills

Software

Data Annotation TechData Annotation Tech

Top Subject Matter

No subject matter listed

Top Data Types

TextText
Medical DicomMedical Dicom

Top Label Types

Evaluation Rating
Prompt Response Writing SFT
Entity Ner Classification

Freelancer Overview

I am an AI Medical Specialist and Data Annotator with over 20 years of clinical experience in nursing, informatics, and medical terminology. My background allows me to expertly bridge the gap between complex EHR documentation and the structured data requirements essential for machine learning and AI applications. I specialize in evaluating and refining large language models (LLMs), annotating high-fidelity multimodal medical datasets, and conducting reinforcement learning from human feedback (RLHF) to ensure accuracy, safety, and adherence to medical standards. My experience spans clinical scenarios, diagnostic descriptions, pharmacology, and pathology reports, always prioritizing HIPAA compliance and quality assurance. With a strong foundation in both healthcare and data annotation, I am passionate about advancing AI solutions that improve outcomes in the medical domain.

IntermediateEnglishSpanish

Labeling Experience

Data Annotation Tech

Medical Entity Recognition

Data Annotation TechMedical DicomEntity Ner Classification
Identification and mapping of specific clinical entities from unstructured patient narratives, including anatomical landmarks, surgical procedures, and nursing interventions.

Identification and mapping of specific clinical entities from unstructured patient narratives, including anatomical landmarks, surgical procedures, and nursing interventions.

2025
Data Annotation Tech

LLM Side-by-Side (SxS) Comparative Evaluation

Data Annotation TechMedical DicomPrompt Response Writing SFT
The scope of the project is to ensure that the model "thinks" like a medical professional with realistic patient case simulations while utilizing Reinforcement Learning from Human Feedback (RLHF) to maintain that LLM responses are accurate, follow specified criteria, and adhere to rubrics. Through the use of red teaming and identifying any hallucinations or inaccuracies, the models are aligned with peer-reviewed evidence and professional standards.

The scope of the project is to ensure that the model "thinks" like a medical professional with realistic patient case simulations while utilizing Reinforcement Learning from Human Feedback (RLHF) to maintain that LLM responses are accurate, follow specified criteria, and adhere to rubrics. Through the use of red teaming and identifying any hallucinations or inaccuracies, the models are aligned with peer-reviewed evidence and professional standards.

2025
Data Annotation Tech

Senior Medical SME & Generalist AI Trainer/Specialist

Data Annotation TechTextEvaluation Rating
As a Senior Medical SME & Generalist AI Trainer/Specialist at Data Annotation Tech, I perform LLM Side-by-Side (SxS) comparative analysis of model responses for clinical reasoning, quality, and safety. I execute diverse annotation projects, including creative content generation, fact-checking, audio and video content, and auditing evidence-based AI outputs. My work eliminates hallucinations by referencing peer-reviewed research to ensure robust clinical validation. • Designed and enforced complex rubrics for rating and evaluation of AI-generated responses • Performed cross-domain annotation: text, audio, and video clinical data • Led audits of model outputs to maintain adherence to medical standards • Specialized in removing inaccuracies and establishing clinical ground truth.

As a Senior Medical SME & Generalist AI Trainer/Specialist at Data Annotation Tech, I perform LLM Side-by-Side (SxS) comparative analysis of model responses for clinical reasoning, quality, and safety. I execute diverse annotation projects, including creative content generation, fact-checking, audio and video content, and auditing evidence-based AI outputs. My work eliminates hallucinations by referencing peer-reviewed research to ensure robust clinical validation. • Designed and enforced complex rubrics for rating and evaluation of AI-generated responses • Performed cross-domain annotation: text, audio, and video clinical data • Led audits of model outputs to maintain adherence to medical standards • Specialized in removing inaccuracies and establishing clinical ground truth.

2025

Education

J

Jacksonville University

Master of Science, Nursing Informatics

Master of Science
2021 - 2023
J

Jacksonville University

Bachelor of Science, Nursing

Bachelor of Science
2017 - 2019

Work History

M

MUSC

Charge/Staff Registered Nurse - Physical Rehabilitation and Detox

Florence
2023 - 2024
R

Regency Hospital Company

Charge/Staff Registered Nurse - Critical Care

Florence
2019 - 2023