LLM Language Evaluation Specialist – Spain

Project-based | Spain | Remote

We are looking for Spanish language specialists to participate in a long-term LLM Language Evaluation Project focused on evaluating the quality and accuracy of AI-generated content.

The project is expected to continue for 3+ months, with selected candidates first completing a trial evaluation before joining the production stage.

? What You Will Do

- Evaluate AI/LLM-generated content in Spanish according to detailed project guidelines.
- Assess whether the content is accurate, natural, and linguistically appropriate.
- Identify and classify language-related issues, including:
- Mistranslation or inaccurate translation
- Missing or omitted content
- Incorrect terminology or word usage
- Spelling, grammar, punctuation, and spacing errors
- Word- or phrase-level issues
- Other issues affecting the quality and readability of the content
- Identify abnormal cases, such as non-Slovak content, language identification errors, duplicate content, or content requiring rejection.
- Apply evaluation criteria consistently and provide structured evaluation results.
- Maintain high accuracy and attention to detail throughout the project.

? Requirements
- High proficiency in Spanish.
- Previous experience with Large Language Model (LLM), AI evaluation,



AI training, data annotation, localization, translation, or related projects is required.
- Strong understanding of Slovak grammar, vocabulary, terminology, and natural language usage.
- Strong ability to identify subtle language errors and distinguish between acceptable and incorrect expressions.
- Ability to understand and follow detailed evaluation guidelines.
- Strong attention to detail and execution ability.
- Comfortable working with structured digital documents and online tools.

Relevant professional or industry experience is a plus, but not mandatory.

? Project Information

- Project: LLM Language Evaluation
- Target Language: Spanish
- Duration: 3+ months
- Work Mode: Remote / Project-based
- Start: September 24, 2026.

Before starting project work, all selected candidates will go through a 1–5 day trial and training period to familiarize themselves with the project guidelines and evaluation process.

The trial and training period is paid at the normal project rate, so candidates will be compensated for their time and completed work during this period.

Recruitment Notice

We never charge candidates any fees at any stage of the recruitment or onboarding process.

📌 LLM Language Evaluation Specialist (España)
🏢 Thoth AI
📍 España