Remote Portuguese Jobs 2026

Bilingual Software Engineer

• Remote (Global)
• $35–$55/hr
• Apr 9, 2026

About Mercor Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will collaborate with top researchers and contribute to improving next-generation AI systems in your domain. Role Overview Mercor is seeking Bilingual…

Bilingual STEM Expert

• Remote (Global)
• $35–$55/hr
• Apr 9, 2026

About Mercor Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will collaborate with top researchers and contribute to improving next-generation AI systems in your domain. Role Overview Mercor is seeking Bilingual…

Bilingual Math Expert

• Remote (Global)
• $35–$50/hr
• Apr 9, 2026

About Mercor Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will collaborate with top researchers and contribute to improving next-generation AI systems in your domain. Role Overview Mercor is seeking Bilingual…

AI Red Teamer

• United States
• $70,000 – $90,000/yr
• Apr 9, 2026

About 10a Labs: 10a Labs is the safety and threat-intelligence layer trusted by frontier AI labs, AI unicorns, Fortune 10 companies, and leading global technology platforms.

Portuguese Copyeditor Expert (Native Fluency)

• Remote (Global)
• $37.5/hr
• Apr 3, 2026

About Mercor Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will collaborate with top researchers and contribute to improving next-generation AI systems in your domain. Role Overview Mercor is seeking experienced…

Portuguese Linguistic Projects (Remote) -- Sigma AI

• Brazil
• Mar 26, 2026

🌟 Join Sigma.AI – Shaping the Future of Artificial Intelligence 🌍 🔹 What is Sigma? Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence.

Project Lion - Senior Prompt Engineer - Portugal (Remote, Part-Time)

• Portugal
• Mar 16, 2026

We are seeking a Prompt Engineer to be responsible for the end-to-end technical migration workflow for transitioning templates to LLM autoraters. The role is required to use client’s internal tools to leverage prompt engineering techniques to maximize model performance.

STEM Specialist (Fluent in Portuguese - Portugal) - Freelance AI Trainer Project

• Portugal
• Mar 12, 2026

Are you a STEM expert fluent in Portuguese (Portugal), eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery and technical problem-solving.

Science Specialist (Fluent in Portuguese - Portugal) - Freelance AI Trainer Project

• Portugal
• $8 – $65/hr
• Mar 12, 2026

Are you a science specialist fluent in Portuguese (Portugal), eager to shape the future of AI? Large-scale language models are evolving from clever chatbots into powerful engines of scientific discovery.

Portuguese Voice Actor - Freelance AI Trainer Project

• Remote (Global)
• $6 – $65/hr
• Feb 24, 2026

Are you an experienced voice actor eager to shape the future of AI? Large-scale language models and speech technologies are evolving rapidly, moving beyond simple interactions into expressive, human-like communication.

Portuguese Language Data Contributor (Multimodal) – Freelance AI Trainer Project

• Remote (Global)
• Feb 12, 2026

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

Mathematics Specialist (Fluent in Portuguese - Brazil) - Freelance AI Trainer Project

• Brazil
• Feb 12, 2026

Are you a mathematics expert fluent in Portuguese (Brazil), eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery.

Coding Specialist (Fluent in Portuguese - Portugal) - Freelance AI Trainer Project

• Portugal
• Feb 12, 2026

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

Mathematics Specialist (Fluent in Portuguese - Portugal) - Freelance AI Trainer Project

• Portugal
• Feb 12, 2026

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

Alpheratz Project - Portuguese (Portugal) Translation Quality Reviewer

• Portugal
• $21.3 – $21.3/hr
• Jan 26, 2026

We are looking for experienced language professionals to support an ongoing project focused on reviewing and refining Portuguese (Portugal) customer service content.

Alpheratz Project - Portuguese (Portugal) Translation Quality Rater

• Portugal
• $17.0 – $17.0/hr
• Jan 26, 2026

We are looking for experienced language professionals to support an ongoing project focused on reviewing and refining Portuguese (Portugal) customer service content.

Portuguese Language Expert (Brazil)

• Brazil
• Dec 9, 2025

Job Title: Portuguese Language Expert (Brazil) Job Type: Contractor Location: Remote Job Summary: Join our customer’s team as a Portuguese Language Expert and play a pivotal role in shaping high-quality language data resources for cutting-edge projects.

AI Training Contributor - Portuguese (Brazil) - Remote

• Brazil
• Oct 16, 2025

About The Opportunity We are seeking detail-oriented human reviewers with a strong understanding of their local cultural context to support a range of AI training and evaluation projects.

AI Data Specialist - Portuguese (Brazil)

• Brazil
• From $6/hr
• Sep 16, 2025

We are looking for an AI Data Specialist to support the improvement of AI-generated content in English . Job Type: Freelance Location: Remote in Brazil Work Schedule: Part-time.

Portuguese Audio Quality Rater (Remote in Portugal)

• Portugal
• May 16, 2024

Get Paid to Rate Portuguese Audio Clips! Help improve the quality of speech technology by participating in an exciting audio evaluation project. Listen to short Portuguese text-to-speech clips and share your opinion on how natural and pleasant each voice sounds. Why Join?

*Scout Junior Quality Coordinator - Portuguese (Brazil)

• Brazil
• Feb 10, 2023

MAIN PURPOSE OF THE ROLE Are you a search engine guru? Can you find what you're looking for with just a few keywords? We have a unique opportunity for you to put your skills to the test!