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Camila Sarmiento

Camila Sarmiento

Senior Data Scientist – LLM/AI Chatbot Development and Training

Portugal flagLisbon, Portugal
$25.00/hrEntry Level

Key Skills

Software

No software listed

Top Subject Matter

Enterprise automation and chatbot support
Medical pathology reports and clinical information extraction

Top Data Types

TextText
DocumentDocument
ImageImage

Top Task Types

Text GenerationText Generation
Entity (NER) ClassificationEntity (NER) Classification
Object DetectionObject Detection
Question AnsweringQuestion Answering
Fine-tuningFine-tuning
Bounding BoxBounding Box

Freelancer Overview

Senior Data Scientist – LLM/AI Chatbot Development and Training. Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Doctor of Philosophy, Universidade Nova de Lisboa (2023) and Master of Science, Universidade Nova de Lisboa (2022). AI-training focus includes data types such as Text and Document and labeling workflows including Text Generation and Entity (NER) Classification.

Entry LevelEnglishSpanish

Labeling Experience

PhD Researcher – Clinical Information Extraction Pipeline

DocumentEntity Ner Classification
Designed and implemented an LLM-based pipeline for extracting and structuring clinical information from unstructured pathology reports. Developed datasets by annotating clinical entities within medical documents to support analytics and downstream machine learning. Performed iterative label refinement to optimize information extraction for healthcare applications. • Constructed NER-labeled corpora from medical reports. • Applied explainable AI for annotation verification. • Enhanced data preprocessing for improved label consistency. • Benchmarked extraction pipelines against clinical gold standards.

Designed and implemented an LLM-based pipeline for extracting and structuring clinical information from unstructured pathology reports. Developed datasets by annotating clinical entities within medical documents to support analytics and downstream machine learning. Performed iterative label refinement to optimize information extraction for healthcare applications. • Constructed NER-labeled corpora from medical reports. • Applied explainable AI for annotation verification. • Enhanced data preprocessing for improved label consistency. • Benchmarked extraction pipelines against clinical gold standards.

2024 - Present

Senior Data Scientist – LLM/AI Chatbot Development and Training

TextText Generation
Designed and deployed LLM-based internal chatbots for user support, involving fine-tuning language models with curated datasets. Built an AI Service Desk assistant that automates internal support by training on conversational data. Developed processes to structure and label chat data for improved model performance. • Created annotated datasets for chatbot training. • Implemented iterative evaluation and prompt tuning strategies. • Leveraged OpenAI APIs and LangChain for model refinement. • Collaborated with teams to ensure data quality and relevance.

Designed and deployed LLM-based internal chatbots for user support, involving fine-tuning language models with curated datasets. Built an AI Service Desk assistant that automates internal support by training on conversational data. Developed processes to structure and label chat data for improved model performance. • Created annotated datasets for chatbot training. • Implemented iterative evaluation and prompt tuning strategies. • Leveraged OpenAI APIs and LangChain for model refinement. • Collaborated with teams to ensure data quality and relevance.

2023 - Present

Education

U

Universidade Nova de Lisboa

Master of Science, Data Science

Master of Science
2020 - 2022
U

Universidad Antonio Nariño

Postgraduate Diploma, Actuarial Science

Postgraduate Diploma
2017 - 2018

Work History

F

Fujitsu

Senior Data Scientist

Lisbon
2023 - Present
V

Vodafone

Data Analyst

Lisbon
2022 - 2023