Bilingual Portuguese Generalist Evaluator Expert

Mercor is seeking native Portuguese speakers with exceptional writing skills to contribute to a high-impact AI research project with a leading lab. Freelancers will author Portuguese/English promptgolden answer pairs that train and evaluate advanced language models. This is a short-term flexible opportunity for professionals who combine language mastery strong critical thinking and a knack for instructional clarity. Ideal for those who enjoy distilling complex concepts into well-crafted culturally grounded Portuguese text while maintaining technical precision in English.

Job Details

Multilingual Prompt Design & Optimization:

Create detailed prompts in Portuguese and/or English with multiple constraints and instructions ensuring natural phrasing and real-world relevance for Portuguese-speaking users.

Define and Document Evaluation Standards:

Establish high-level expectations for correct responses in Portuguese consumer contexts and develop comprehensive rubrics that account for linguistic nuance tone and cultural conventions.

Model Testing and Grading (Bilingual):

Run prompts through models and assess preliminary outputs for accuracy fluency and cultural fit in Portuguese comparing results against English where needed.

Benchmarking & Quality Assurance:

Collaborate in QA review processes to ensure prompt tasks and rubrics meet rigormaintaining consistency and reliability across Portuguese-language benchmarks before integration into official evaluations.

Minimum Qualifications

• Native-level fluency in Portuguese (written) with strong reading/writing ability in English.

• BS or BA from a reputable institution (completed or in progress).

• Strong writing and critical thinking skills.

• Ability to work independently and meet deadlines.

• Significant familiarity with ChatGPT or similar tools for personal decision-making hobbies or general interests.

• Based in Brazil (or able to reliably produce Brazil-specific culturally accurate Portuguese).

Preferred Qualifications

• Experience in teaching research editing or academic writing.

• Experience creating evaluation criteria rubrics or grading guidelines.

• Familiarity with LLMs prompting or model evaluation (helpful but not required).

Application & Onboarding Process

• Complete an AI-led interview (about 15 minutes).

• Complete a 45-minute written assessment focused on writing and rubric creation.

• If selected you will be invited to work on the project.

More Details About This Role

• Expect to contribute at least 20 hours per week.

• Expect a commitment of around 2 months.

• Youll be working in a structured project environment with clear goals and tools.

• We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.