Overview

Do you love languages, writing, and quality assessment? We are launching an exciting language evaluation project and seeking Spanish-speaking specialists to join our team.

In this position, you will help train AI systems to better understand, generate, and refine language by completing structured evaluation and writing tasks—all from home and on a flexible schedule.

What you will do:
– Review AI-generated answers for accuracy, grammar, and cultural relevance.
– Spot issues and produce improved, high-quality rewritten responses.
– Create natural Spanish prompts and replies to strengthen conversational datasets.
– Work with international teams to enhance AI language models.

Project Details:
– Start Date: January 16, 2026
– Duration: 4 weeks
– Commitment: around 20 hours per week (flexible)
– Type: Freelance contract
– Location: Remote within Spain

Requirements:
– Background in teaching (preferred but not required) or experience in writing/teaching in Spanish.
– Excellent written communication skills and strong command of grammar.
– Understanding of cultural nuances in Spanish.
– Ability to handle structured tasks such as preference ranking (factuality and locality), prompt–response writing, grammar checks, and text improvement.

Note: Please avoid using VPNs or IP-masking tools during recruitment, as accurate regional verification is required.

Why Join Welo Data?

Limitless Flexibility
Project-based work that fits your schedule. Decide when and how much you contribute—fully remote and entirely autonomous.

Limitless Growth
Optional workshops on AI and large language models designed for professionals like you. No coding experience needed—just your expertise.

Limitless Support
Join a global community of contributors with responsive assistance and guidance.

Real Impact
Use your expertise in the legal field to help shape the AI systems influencing the future of your profession, while collaborating with data experts and expanding your skills.

How to Apply
Submit your application by answering a few short questions to join our database and become part of our growing community.

About Welo Data
Welo Data, part of Welocalize, is a global AI data company with more than 500,000 contributors who provide high-quality, ethical data to train advanced AI systems. We are creating smarter, more human AI through a diverse community across 100+ countries.

At Welo Data, “Limitless AI. Limitless You.” is more than a motto—it’s our commitment. We build better AI through human expertise, offering limitless opportunities for our global community to grow, contribute, and work on their own terms.