Portuguese Language Expert

Up to $30/hrSME CareersRemoteEligible countries: Brazil, Portugal

At a glance

You will review, rate and compare AI-generated responses, fact-check them and write expert explanations, applying senior Portuguese localization judgment. You need native or near-native Portuguese (Portugal conventions), at least C1 English, 5+ years of localization or translation experience and MQM/LQA skills, and you must be based in Brazil.

Summary written by AI from the original listing.

  • Posted Nov 9, 2026

About the role

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-quality explanations 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.

What you'll do

  • 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.

What we're looking for

  • 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

Skills

TranslationCopyeditingLinguistic QAPortugueseLQACAT ToolsLocalizationStyle GuidesTerminology ManagementMQM Error TypologyEnglish
Applicant countries
Eligible countries: Brazil, Portugal

Eligible countries: Brazil, Portugal.

Work arrangement
Remote
Advertised job location
Not specified
Originally posted
2026-11-09
Last checked

How this pay compares

Language & audio: typical hourly pay on each platform, November 2026.

This role Up to $30/hrTypical across platforms $26/hr

  • micro1$48/hr33 rolesMiddle half of roles: $46–$48/hr
  • Mercor$50/hr25 rolesMiddle half of roles: $18–$75/hr
  • Alignerr$23/hr153 rolesMiddle half of roles: $23–$100/hr

Based on 211 hourly-paid roles listed in November 2026. Per-task and project rates are not included. Each platform sets its own pay.

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