Portuguese Language Expert - Remote

Micro1; Braga; Remote; EUR 14,000 - 29,000; Part time

Job summary

Micro1 is seeking an expert Portuguese localization professional for an hourly remote contractor role. You will review and generate language content, assess reasoning quality, and provide expert feedback to ensure accuracy, clarity, and alignment with prompts and guidelines.

You will apply senior-level localization judgment, MQM/LQA concepts, and CQAT workflows to produce consistent quality decisions across time zones. This role is fully remote and tied to long-term expert network opportunities.

Qualifications

• Must have native or near-native Portuguese with Portugal locale conventions.
• Minimum C1 English proficiency for prompts and evaluation guidelines.
• 5+ years localization/translation experience; MQM/LQA concepts familiarity.

Responsibilities

• Develop AI training content and prompts.
• Evaluate AI responses for accuracy and clarity.
• Fact-check localized content and ensure consistent reasoning.

Skills

Portuguese localization

English C1

CAT tools

QA workflows

Editorial judgment

Education

Bachelor's degree or higher

Tools

Translation memory

Terminology management

QA tools

Job description

In this hourly-paid, fully remote contractor role, you will review AI-generated responses and/or generate language content, evaluate reasoning quality and step-by-step problem-solving, and provide expert feedback so outputs are accurate, logical, and clearly explained.

You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in methodology or conceptual understanding; fact-check information; write high-qualityexplanations and model solutions that demonstrate correct methods; and rate and compare multiple AI responses based on correctness and reasoning quality. You will apply senior-level Portuguese localization/translation judgment alongside Minimum C1 English proficiency to ensure terminology, tone, and cultural nuance are consistently correct across use cases.

This role is with SME Careers, a fast-growing AI Data Services company and a subsidiary of SuperAnnotate that provides AI training data for many of the world's largest AI companies and foundation-model labs. Your work directly helps improve the world's premier AI models.

Important

There is no immediate project for this role; however, if qualified, you will be among the first experts we reach out to when relevant opportunities arise. This will also provide you with access to future projects available through our expert network.

Key Responsibilities

• Develop AI Training Content: Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
• Optimize AI Performance: Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
• Ensure Model Integrity: Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Your Profile

• Bachelor's degree or higher in Translation, Linguistics, Localization, Communications, or a related field. Native or near-native Portuguese proficiency and strong command of the locale conventions for Portugal.
• Minimum C1 English proficiency (reading/writing) for interpreting prompts, sources, and evaluation guidelines. 5+ years of professional localization/translation experience (multilingual localization experience strongly preferred). Demonstrated ability to apply MQM/LQA concepts (severity, category, and root-cause thinking) to produce consistent quality decisions. Proficiency with CAT tools and QA workflows (translation memory, termbases, automated checks) and comfort working with structured guidelines.
• Excellent editorial judgment (register, tone, inclusivity, and cultural nuance) with extreme attention to detail. Ability to rigorously fact-check localized content (units, references, names, dates) using reliable sources and consistent reasoning. Comfort working as an hourly contractor: dependable throughput, clear documentation, and responsiveness across time zones. Previous experience with AI data training / annotation / evaluation is preferred. Location requirement: Only candidates based in Brazil will be considered for this role