For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
G
Gabriel F.

Gabriel F.

Freelance Data Annotator and AI Specialist (Multiple Platforms)

Portugal flagBraga, Portugal

Key Skills

Software

MindriftMindrift
TelusTelus
Data Annotation TechData Annotation Tech
MercorMercor
OneFormaOneForma
LabelboxLabelbox
Micro1
Scale AIScale AI
SuperAnnotateSuperAnnotate

Top Subject Matter

AI Language Models and Linguistic Data
AI Solutions and Language Data
Legal Services & Contract Review

Top Data Types

TextText
AudioAudio
DocumentDocument

Top Task Types

RLHFRLHF
Bounding BoxBounding Box
ClassificationClassification
Object DetectionObject Detection
Text GenerationText Generation
Question AnsweringQuestion Answering
Text SummarizationText Summarization
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating
Data CollectionData Collection

Freelancer Overview

Freelance Data Annotator and AI Specialist (Multiple Platforms). Brings 3+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Mindrift, Outlier AI, and Telus. Education includes Science and Humanities Course in Science and Technology, School Group City of Entroncamento (2024) and Bachelor of Laws in Criminology and Criminal Justice, Law School of the University of Minho (2024). AI-training focus includes data types such as Text and labeling workflows including RLHF, Evaluation, and Rating.

Labeling Experience

Mindrift

Freelance Data Annotator and AI Specialist (Multiple Platforms)

MindriftMindriftTextTextRLHFRLHF

I contributed as a freelance Data Annotator and AI Specialist focusing on the training and optimization of language models using Reinforcement Learning from Human Feedback (RLHF) and data annotation. My responsibilities included evaluating and labeling linguistic data, performing data quality analysis, and collaborating on multiple platforms specializing in language model refinement. Audio transcription and linguistic data validation activities were also included within the scope of AI data annotation roles. • Contributed to RLHF and language model training tasks • Conducted audio transcriptions and validated linguistic data quality • Collaborated with Mindrift, DataAnnotations, Alignerr, and Lynx Welo Data • Ensured labeled data met quality and consistency standards

2026 - Present

Freelance Contributor - AI Model Training and Refinement

TextTextRLHFRLHF

I worked as a Freelance Contributor for Outlier AI, participating in projects focused on the training and refinement of AI language models through data annotation and RLHF. My main activities involved evaluating, annotating, and improving AI-generated content to enhance model performance and reliability. I collaborated with AI specialists to ensure accurate and comprehensive linguistic dataset preparation. • Evaluated and annotated AI-generated text data • Assisted with RLHF and fine-tuning tasks • Worked with Outlier AI platform for annotation assignments • Supported overall language model improvement efforts

2026 - 2026
Telus

Online Data Analyst – Data Quality Analysis and AI Model Evaluation

TelusTelusTextText

As an Online Data Analyst at TELUS Digital AI Solutions, I performed rigorous data quality analysis for AI solutions involving AI model evaluation and rating of linguistic outputs. The work required me to review, assess, and classify AI-generated text to support improvements in model accuracy and consistency. I contributed insights for data quality enhancement and project workflow optimization. • Rated and evaluated AI-generated linguistic outputs • Performed detailed classification and assessment tasks • Used TELUS proprietary and online platforms • Supported the development of high-quality AI products

2025 - 2025

Education

U

University of Minho

Microcredential - Advanced Course in Digital Law and Cybercrime, Law

Microcredential - Advanced Course in Digital Law and Cybercrime
2025 - 2025
S

School Group City of Entroncamento

Science and Humanities Course in Science and Technology, Natural Sciences, Mathematics and Statistics

Science and Humanities Course in Science and Technology
2021 - 2024

Work History

A

AECRIMUM

Vice President for External Affairs

Braga
2026 - Present
A

AECRIMUM

Department Director

Braga
2025 - Present