Remote AI training jobs in Portugal

302 roles hire in Portugal specifically; the rest are open worldwide.

2,202 open jobs

Meridial AI

Java Coding Specialist - Freelance AI Trainer Project

$45/hrWorldwideAI Expert - Software Engineering

Apr 16, 2026

Turing

Audio/Voice/Annotation Trainer - Korean Language

WorldwideContractTranscription & Audio Training

Apr 16, 2026

AfterQuery

Computational Materials Science Expert

$175/hrWorldwideContractAI Expert - Chemistry

Apr 16, 2026

AfterQuery

Bioinformatics Machine Learning Expert

$175/hrWorldwideContractAI Expert - Biology

Apr 16, 2026

TELUS International

Media Search Analyst (Portuguese – Portugal)

PortugalFreelanceResponse Rater

Apr 15, 2026

Luel

Conversational Audio Contributor (Multiple Languages)

$10–$14/hrWorldwideFreelanceTranscription & Audio Training

Apr 14, 2026

Lionbridge

Portuguese Transcriber

$14–$18/hrPortugalFreelanceTranscription & Audio Training

Apr 13, 2026

Rise Data Labs

Portuguese Language Evaluator

WorldwideContractLinguistic Annotation

Apr 8, 2026

Prolific

AI Trainer - Advanced Japanese Fluency

$20–$30/hrWorldwideFreelanceData Annotation & Labeling

Apr 7, 2026

Alignerr

Creative Writer – English

$20–$40/hrWorldwideContractAI Expert - Literature & Writing

Apr 7, 2026

Alignerr

AI Quality Assurance Specialist

$20–$40/hrWorldwideContractResponse Rater

Apr 7, 2026

Alignerr

Writing & Literature Expert – English

$20–$40/hrWorldwideContractAI Expert - Humanities

Apr 7, 2026

Prolific

AI Trainer - Advanced Korean Fluency (Busan - Remote)

WorldwideFreelanceData Annotation & Labeling

Apr 7, 2026

CVAT

Data Annotator

WorldwideContractAI & Data Training

Apr 6, 2026

Argos Multilingual

English native speakers who are Learners of French and/or SPANISH (latam) Needed

$20/hrWorldwideFreelanceAudio Annotation

Mar 31, 2026

Pila8

Audio Recording Contributor

$10–$50/hrWorldwideFreelanceTranscription & Audio Training

Mar 30, 2026

Turing

AI Quality Analyst (Personalization) - German

$15/hrWorldwideContractPersonal Workflow Evaluator

Mar 26, 2026

Turing

AI Quality Analyst (Personalization) - Dutch

$20/hrWorldwideContractPersonal Workflow Evaluator

Mar 26, 2026

Turing

AI Quality Analyst (Personalization) - Polish

$20/hrWorldwideContractResponse Rater

Mar 26, 2026

TELUS International

Legal Content Expert (AI Community)

$20–$50/hrWorldwideFreelanceAI & Data Training

Mar 26, 2026