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Lenyn Alexander

Lenyn Alexander

AI Trainer & Medical Data Annotator

COLOMBIA flag
Barranquilla, Colombia
$12.00/hrIntermediateData Annotation Tech

Key Skills

Software

Data Annotation TechData Annotation Tech

Top Subject Matter

Medical/healthcare/clinical Domain Expertise
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
DocumentDocument

Top Task Types

Transcription
Question Answering
Text Generation
Evaluation Rating

Freelancer Overview

AI Trainer & Medical Data Annotator. Brings 2+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes ongoing Doctor of Medicine, Universidad Simón Bolívar, Faculty of Health Sciences (2023) and C1 English Certification, Centro Cultural Colombo Americano (2022). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateEnglishSpanish

Labeling Experience

AI Trainer & Medical Data Annotator

Text
I evaluate, annotate, and quality check clinical and medical content for AI and large language models. My responsibilities include identifying errors in diagnosis, drug contraindications, and clinical logic, and providing structured written feedback. I also ensure factual accuracy, clinical reasoning, and safety in AI-generated medical responses. • Perform detailed annotation of medical and clinical data in both English and Spanish • Conduct quality assurance on symptoms, diagnoses, procedures, medications, lab values, and imaging descriptions • Rank and score AI model responses for medical correctness and safety • Assess and explain translation errors and contextual failures in bilingual outputs

I evaluate, annotate, and quality check clinical and medical content for AI and large language models. My responsibilities include identifying errors in diagnosis, drug contraindications, and clinical logic, and providing structured written feedback. I also ensure factual accuracy, clinical reasoning, and safety in AI-generated medical responses. • Perform detailed annotation of medical and clinical data in both English and Spanish • Conduct quality assurance on symptoms, diagnoses, procedures, medications, lab values, and imaging descriptions • Rank and score AI model responses for medical correctness and safety • Assess and explain translation errors and contextual failures in bilingual outputs

Present

Education

C

Centro Cultural Colombo Americano

C1 English Certification, English Language

C1 English Certification
2019 - 2022
E

Escuela Normal Superior del Distrito de Barranquilla

High School Diploma, Pedagogy

High School Diploma
2013 - 2022

Work History

C

CyraCom International

Certified Medical Interpreter

Barranquilla
2024 - 2025