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Marcos Freitas

Marcos Freitas

Web Developer expert in AI code review

Portugal flagSetúbal, Portugal
$20.00/hrIntermediateAppenData Annotation TechGoogle Cloud Vertex AI

Key Skills

Software

AppenAppen
Data Annotation TechData Annotation Tech
Google Cloud Vertex AIGoogle Cloud Vertex AI
TelusTelus
Internal/Proprietary Tooling

Top Subject Matter

LLM evaluation in Portuguese
LLM evaluation in English
Code review

Top Data Types

Computer Code ProgrammingComputer Code Programming
DocumentDocument
ImageImage

Top Task Types

Classification
Computer Programming Coding
Segmentation

Freelancer Overview

### Profile Overview As an experienced Frontend Developer with over 2 years of expertise in HTML, CSS, and JavaScript, I specialize in AI data labeling and training. I have successfully contributed to enhancing AI’s understanding of web structures and error diagnostics using platforms like Scale AI, Remotasks, Outlier AI, and Appen. My strong analytical skills and problem-solving abilities, combined with a background in biotechnology and ongoing computer engineering studies, enable me to deliver high-quality, responsive web applications. Fluent in Portuguese and based in Portugal, I am dedicated to advancing AI technology through precise data annotation and code improvement.

IntermediateEnglishSpanishPortuguese

Labeling Experience

Appen

Data entry

AppenDocumentData Collection
The Text Document Collection role at Appen involves scanning handwritten or printed documents and uploading them to the Appen system. This task is crucial for training AI models to recognize and process various text formats. Freelancers in this position need to ensure that the scanned documents are clear and legible, following specific guidelines for quality and format. The job offers flexibility in terms of working hours and location, making it ideal for those who prefer remote work. Appen provides competitive compensation and values contributions that enhance the development of AI technologies.

The Text Document Collection role at Appen involves scanning handwritten or printed documents and uploading them to the Appen system. This task is crucial for training AI models to recognize and process various text formats. Freelancers in this position need to ensure that the scanned documents are clear and legible, following specific guidelines for quality and format. The job offers flexibility in terms of working hours and location, making it ideal for those who prefer remote work. Appen provides competitive compensation and values contributions that enhance the development of AI technologies.

2023 - 2024
Appen

Data entry

AppenGeospatial Tiled ImageryMapping
The role of a Geolocation Correctness freelancer at Appen involves verifying and correcting geolocation data. Freelancers in this position are responsible for ensuring the accuracy of location information, such as addresses, by cross-referencing data with official sources. This task may include visiting websites to confirm business addresses and making necessary corrections or updates to the data provided. The work is flexible, allowing freelancers to choose their own hours and work remotely. Appen values diversity and inclusivity, offering competitive pay and the opportunity to contribute to the advancement of AI technologies.

The role of a Geolocation Correctness freelancer at Appen involves verifying and correcting geolocation data. Freelancers in this position are responsible for ensuring the accuracy of location information, such as addresses, by cross-referencing data with official sources. This task may include visiting websites to confirm business addresses and making necessary corrections or updates to the data provided. The work is flexible, allowing freelancers to choose their own hours and work remotely. Appen values diversity and inclusivity, offering competitive pay and the opportunity to contribute to the advancement of AI technologies.

2023 - 2023

Education

O

Open University

Bachelo's in Computer engineering, Computer Science

Bachelo's in Computer engineering
2022 - 2024
F

Federal University of Tocantins

Bachelo's of Bioprocess and biotechnology engineering, Bioprocess and biotechnology engineering

Bachelo's of Bioprocess and biotechnology engineering
2011 - 2017

Work History

M

Majorel Portugal

Content Reviewer

Setúbal
2022 - 2023