Brazilian Subject Matter Expert in History

Welo Global; United States; Remote; USD 83,000 - 116,000; Part time

Job summary

Welo Global is seeking Brazilian Portuguese experts with PhD level to craft expert-level questions and fact-based explanations for AI training data in History.

This remote, flexible freelance engagement invites you to produce original content in your field, with sources and relevance breakdowns, while AI tools may be used for research support only. Only PhD-level experts will be considered.

You will work on a schedule that suits you, around 60 hours over approximately two months.

Qualifications

• PhD-level expertise required in history.
• Proven ability to craft expert-level questions and cited fact breakdowns.
• Fluency in Brazilian Portuguese for content creation.

Responsibilities

• Create challenging expert-level questions on Brazilian topics.
• Write ideal responses in Brazilian Portuguese with source-backed facts.
• Provide cited breakdowns with sources and relevance.

Skills

PhD-level expertise

Brazilian culture knowledge

Academic writing

Education

PhD in History

Job description

About Welo Global

Welo Global is a leader in multilingual AI, technology, and content solutions serving over 2,000 clients in 300 languages. The company combines globally scaled multilingual infrastructure, including a network of over500,000linguists and domain experts, with advanced NLP, computational linguistics, and best-in-class compliance backed by seven ISO certifications. WeloGlobal’sfivebrands—Welocalize(multilingual content and localization services for global enterprises), Park IP (intellectual property and patent translation services forlaw firms and corporate legal teams), Welo Life Sciences (regulated language and compliance-aligned content solutions for pharmaceutical, biotech, and medical device organizations), Adapt (multilingual performance-led digital marketing agency), and Welo Data (multilingual data generation, evaluation, and human data infrastructure for AI systems)—serve distinct customer segments with purpose-built expertise, fit-for-purpose solutions, and supporting technology. weloglobal.com

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

ROLE OVERVIEW

Welo Global is partnering with a social media client to build high-quality training data for AI systems. We are looking for Brazilian experts with PhD level to help create challenging, expert-level questions and answers in their field. The content that will directly shape how AI understands Brazilian culture, law, history, and society.

This is a remote, flexible freelance engagement. All work is done in Brazilian Portuguese.

What you’ll do

For each assignment, you will craft a challenging, expert-level question on a Brazilian topic in your field (one that AI tools cannot fully answer), write the ideal response in Brazilian Portuguese and break that response down into individually cited facts with their sources and relevance.

Important:

AI tools may be used for research support only. All questions, answers, and fact breakdowns must be your own original work.

We are looking for experts in the domain listed in the job posting. As a mandatory requirement, only experts with PhD level would be considered for the role.

Project details

• Language Pair : Brazilian Portuguese
• Task : AI data annotation
• Area of expertise (domain): History
• Tools : Consumer-grade LLM with search (e.g., Gemini Pro), for prompt difficulty calibration
• Estimated Volume : 60 hours over approximately 2 months, the hours are flexible, work on your own schedule
• Location : Remote
• Engagement Type : Freelance / Independent Contractor

Thank you again for your interest in working with Welo Global. I look forward to learning more about your profile and exploring a potential collaboration.

Welocalize Talent Management Team

Job Reference: #LI-JC1