Remote AI & Data Training Jobs in Portugal 2026

Project Iter

• Remote (Global)
• $150/hr
• May 21, 2026

This is a remote, project-based role for industry professionals and PhD-level researchers across academic disciplines. You will complete tasks that draw on your domain expertise, research training, and analytical skills — including literature synthesis, technical writing, data…

CAD & Simulation Consultant | Engineering Design and Simulation – Aerospace / Mechanical / Electrical Engineering

• Remote (Global)
• May 20, 2026

Based in San Francisco, California, Turing is the world's leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.

Portuguese Language Expert (AI Training)

• Remote (Global)
• $20-40/hr
• May 20, 2026

Alignerr is seeking Portuguese language experts to help evaluate and improve AI systems trained on Portuguese-language content. Contributors will help shape how AI systems understand, generate, and communicate in Portuguese through language evaluation, cultural review, and…

Small business owners - English Business Document

• Remote (Global)
• May 20, 2026

Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of powerful AI systems.

AI Tutor - Video

• Remote (Global)
• $40 – $75/hr
• May 19, 2026

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not.

AI Tutor - Writing

• Remote (Global)
• $35 – $75/hr
• May 19, 2026

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not.

Machine Learning Evaluation Specialist

• Remote (Global)
• $200 - $400/hr
• May 18, 2026

Alignerr is seeking machine learning domain experts to help design advanced evaluation challenges for frontier AI systems. This role focuses on building expert-level machine learning evaluation tasks that test the limits of state-of-the-art AI models using deep scientific and…

OpenClaw Agent Builder (Software Developers)

• Remote (Global)
• Up to $35/hr + incentives
• May 18, 2026

Outlier is seeking experienced software developers and systems engineers to help train and evaluate next-generation autonomous AI agents such as OpenClaw. This freelance remote opportunity focuses on improving large language model (LLM) agents that can coordinate complex,…

Securities & Commodities Specialist - Freelance AI Trainer Project

• Remote (Global)
• $6 - $65/hr
• May 18, 2026

Are you a securities, commodities, and financial services expert eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of financial insight and market analysis.

Portuguese Language Specialist (Portugal) - Freelance AI Trainer Project

• Portugal
• $6 - $65/hr
• May 18, 2026

Are you a Portuguese (Portugal) language expert eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of linguistic discovery.

German Translator - Freelance AI Trainer Project

• Remote (Global)
• $6 - $65/hr
• May 17, 2026

Are you a German translator eager to shape the future of AI? Large-scale language models are evolving from clever chatbots into powerful engines of linguistic intelligence.

German Speaker - Freelance AI Trainer Project

• Remote (Global)
• $6 - $65/hr
• May 17, 2026

Are you a fluent German speaker eager to shape the future of AI? Large-scale language models are evolving from clever chatbots into powerful engines of linguistic and cultural understanding.

German Language Specialist - Freelance AI Trainer Project

• Remote (Global)
• $6 - $65/hr
• May 17, 2026

Are you a German language expert eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of linguistic discovery.

Swahili Language Specialist - Freelance AI Trainer Project

• Remote (Global)
• $6 - $65/hr
• May 17, 2026

Are you a Swahili language expert eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of linguistic discovery.

Multilingual Script Writers

• Remote (Global)
• $5 - $25/hr
• May 16, 2026

TELUS Digital AI is seeking Multilingual Script Writers for an immediate-start freelance project focused on scripting and reviewing multilingual text content for AI-related workflows. This remote opportunity is designed for language professionals with strong writing skills,…

Business Owners - Freelance AI Trainer Project

• Remote (Global)
• $25 – $100/hr
• May 15, 2026

We are sourcing independent Business Owners across the food, lodging, service, and shopping sectors to provide their practical expertise for an AI benchmark evaluation and product feedback project.

Vocal Audio Specialist - Freelance AI Trainer Project

• Remote (Global)
• $6 – $65/hr
• May 15, 2026

We are sourcing independent Vocal Audio Specialists to provide their expertise for an AI audio model training project. As AI models increasingly generate and interpret human musicality and vocal nuances, their accuracy relies entirely on robust, high-fidelity training data.

Language Alignment & Resource Partner (Azerbaijani) - Freelance AI Trainer Project

• Remote (Global)
• $6 – $65/hr
• May 14, 2026

We are sourcing independent Language Alignment & Resource Partners (LARPs) to provide native-level Azerbaijani language vetting and QA for a specialized AI data project.

Expert Audio Transcriber, Portuguese (European)

• Portugal
• May 14, 2026

Perle is an AI infrastructure company building expert-driven training data, evaluation systems, and applied AI products for the world's leading labs and enterprises. Our partners include xAI, Samsung, ELM, and Unisys.

Language Alignment & Resource Partner (Arabic) - Freelance AI Trainer Project

• Remote (Global)
• $6 – $65/hr
• May 14, 2026

We are sourcing independent Language Alignment & Resource Partners (LARPs) to provide native-level Arabic language vetting and QA for a specialized AI data project.

Language Alignment & Resource Partner (Portuguese) - Freelance AI Trainer Project

• Portugal
• $6 – $65/hr
• May 14, 2026

We are sourcing independent Language Alignment & Resource Partners (LARPs) to provide native-level Portuguese language vetting and QA for a specialized AI data project.

European Portuguese - Conversational Data Collection Associate (Audio Recording)

• Portugal
• From $7/hr
• May 14, 2026

We are looking for individuals to record natural conversations using provided scripts. You will work with a partner and play a specific role (such as Customer or Support Agent). The goal is to create clear, natural-sounding audio recordings by following simple instructions.

AI Quality Analyst - Portuguese (Portugal)

• Remote (Global)
• $15/hr
• May 13, 2026

Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.

Language Data Quality Reviewer for Swedish - Transcriptionist (Freelance)

• Estonia, Spain, Italy +1Portugal
• $9 – $13/hr
• May 11, 2026

Volga Partners, a U.S.-based company, specializes in Artificial Intelligence and machine learning, catering to top technology giants and multinational corporations.