I'm Tiago Guerreiro, a Portugal based AI Model trainer, with experience in data annotation, labeling and Quality Assurance. I have worked for Mindy Support, Appen and Uber AI Solutions. I also have some educational background on Data Analysis tools and processes, via a certification by Google on Coursera. And since November 2024 i have been doing play-tests for the Game Tester platform.

Tiago João Zagalo de Brito Guerreiro

I'm Tiago Guerreiro, a Portugal based AI Model trainer, with experience in data annotation, labeling and Quality Assurance. I have worked for Mindy Support, Appen and Uber AI Solutions. I also have some educational background on Data Analysis tools and processes, via a certification by Google on Coursera. And since November 2024 i have been doing play-tests for the Game Tester platform.

Available to hire

I’m Tiago Guerreiro, a Portugal based AI Model trainer, with experience in data annotation, labeling and Quality Assurance. I have worked for Mindy Support, Appen and Uber AI Solutions. I also have some educational background on Data Analysis tools and processes, via a certification by Google on Coursera. And since November 2024 i have been doing play-tests for the Game Tester platform.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate

Language

Portuguese
Fluent
English
Advanced

Work Experience

AI Model Trainer at Uber AI Solutions
August 1, 2025 - October 1, 2025
AI Model Training via data annotation and labeling tasks, including audio review and annotation/labeling and image labeling/annotation, following project guidelines.
AI Model Trainer at Mindy Support Group
August 1, 2017 - February 1, 2018
AI Model Trainer tasks; data annotation and labeling following project guidelines (audio and image labeling).

Education

High School Diploma at Dr. Antonio Carvalho Figueiredo High School
January 1, 2016 - January 1, 2018
Professional Course in Information Technology at Portuguese Institute of Employment and Professional Training
January 11, 2030 - January 10, 2026

Qualifications

Data Labeling Certification
January 11, 2030 - January 10, 2026
Cybersecurity Fundamentals
January 11, 2030 - January 10, 2026

Industry Experience

Telecommunications, Professional Services, Software & Internet, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate

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