Brazilian Subject Matter Expert in History

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 over 500,000 linguists and domain experts, with advanced NLP, computational linguistics, and best-in-class compliance backed by seven ISO certifications. Welo Global’s five brands-Welocalize (multilingual content and localization services for global enterprises), Park IP (intellectual property and patent translation services for law 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