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L
Lan

Lan

Data Annotator

Angola flagLuanda, Angola
Entry LevelLabelbox

Key Skills

Software

LabelboxLabelbox

Top Subject Matter

Machine Learning

Top Data Types

ImageImage
VideoVideo
TextText

Top Task Types

ClassificationClassification
RLHFRLHF
Evaluation/RatingEvaluation/Rating
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

Data Annotator Education includes Informatics, ETESAL – Alpega Health and Education Technical School (2023). AI-training focus includes data types such as Text and labeling workflows including Classification.

Entry LevelEnglishPortugueseSpanishRussianGermanFrench

Labeling Experience

QA evaluator

TextQuestion Answering
Small project scope envolving tasks text based to engage in an AI model by helpingto improve it's skills to answer questions based in specific contexts

Small project scope envolving tasks text based to engage in an AI model by helpingto improve it's skills to answer questions based in specific contexts

2026 - Present
Labelbox

Data Annotator

LabelboxImageClassification
As a Data Annotator, I performed comprehensive data labeling and annotation tasks with strict adherence to quality and consistency standards. • Labeled and annotated text data for various machine learning projects. • Provided constructive feedback to refine internal annotation tools and guidelines. • Assisted in supporting high precision model training workflows with annotated datasets. • Engaged in ongoing professional development regarding annotation practices and software updates.

As a Data Annotator, I performed comprehensive data labeling and annotation tasks with strict adherence to quality and consistency standards. • Labeled and annotated text data for various machine learning projects. • Provided constructive feedback to refine internal annotation tools and guidelines. • Assisted in supporting high precision model training workflows with annotated datasets. • Engaged in ongoing professional development regarding annotation practices and software updates.

2026 - Present

RLHF Quality Assurance

VideoRLHF
Most of the tasks involved analyzing videos and sort them by wich ones got the best performance to the context given.

Most of the tasks involved analyzing videos and sort them by wich ones got the best performance to the context given.

2026 - 2026

Education

E

ETESAL – Apaga Health and Education Technical School

Master of Laws, Informatics and Engineering

Master of Laws
2023

Work History

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