Estonian Language AI Evaluator

About OpenTrain

OpenTrain AI is the hiring and contracting organization for this role and the #1 platform for finding and building careers in AI training and data labeling. OpenTrain helps people discover meaningful AI work, build credible experience, and grow a long-term portfolio in a rapidly developing field.

About AI Training Work

AI training is the human side of building artificial intelligence. Contributors review model outputs, write examples, compare responses, and provide detailed feedback so AI systems can become more accurate, natural, useful, and safe. This role focuses on Estonian-language evaluation and generation, combining language expertise with structured model assessment.

• Remote work that can fit alongside other professional, academic, or personal commitments
• Direct contribution to the development of modern AI systems
• Flexible, part-time contractor work in a fast-growing technology field

The Role

OpenTrain AI is seeking an Estonian Language AI Evaluator to review AI-generated Estonian content and create high-quality language data for model improvement. You will evaluate accuracy, fluency, grammar, cultural appropriateness, logical consistency, and alignment with the requested prompt.

The work covers general knowledge, education, customer support, translation, localization, conversational writing, and culturally sensitive content. The role is listed as entry level and requires at least 20 hours per week. Compensation is $35 USD per hour.

• Engagement: Part-time contractor
• Location: Estonia
• Languages: Estonian and English
• Time commitment: 20+ hours per week
• Pay: $35 USD per hour

What You'll Do

You will apply precise Estonian-language judgment to AI outputs, explain errors clearly, and create examples that demonstrate natural, high-quality writing. Some assignments may require fact-checking claims or identifying content that presents safety, bias, or policy concerns.

• Review grammar, spelling, fluency, meaning, terminology, tone, register, and cultural fit
• Identify mistranslations, ambiguity, unnatural phrasing, incorrect case forms, factual hallucinations, bias, unsafe content, and policy-risk language
• Create prompts, gold-standard Estonian answers, rewrites, and model responses
• Rate and compare AI responses for correctness, meaning preservation, structure, safety, tone, and overall quality
• Provide precise written explanations of errors and recommended improvements
• Evaluate content across formal, neutral, conversational, professional, educational, and public-facing registers

Requirements

You must have native or near-native Estonian proficiency and strong professional English proficiency at a minimum C1 level for following guidelines and providing detailed feedback. Deep knowledge of Estonian grammar, spelling, punctuation, cases, word order, compound words, verb forms, tone, and style is essential.

The role description lists entry-level experience, while also expecting at least three years of experience in a language-focused discipline such as writing, editing, localization, translation, content quality assurance, journalism, or education.

• Native or near-native Estonian command, including idiomatic usage
• Professional English proficiency at C1 or higher
• Ability to detect mistranslations, terminology errors, unnatural phrasing, and cultural mismatches
• Strong attention to subtle meaning shifts and language interference
• Ability to adapt Estonian across multiple registers and audiences
• Ability to compare AI responses for correctness, fluency, safety, tone, and cultural appropriateness
• Experience creating natural rewrites, reference answers, prompts, or other high-quality Estonian content
• At least three years of relevant writing, editing, translation, localization, education, journalism, or quality-focused experience expected

Helpful Background

A bachelor's degree or higher in linguistics, Estonian language or literature, English literature, communications, journalism, translation, or a related field is helpful. Equivalent professional experience may also be relevant.

Experience with AI data training, translation quality assurance, editorial quality assurance, localization quality assurance, or rubric-based evaluation is preferred.

Build Your AI Training Career

OpenTrain gives contributors a place to develop a stronger record of AI training and data-labeling work. By building your profile and contributing to projects like this one, you can demonstrate your language expertise and grow toward a durable career helping shape how AI communicates.

• Create an OpenTrain account for free
• Build a profile that reflects your Estonian-language expertise
• Apply to relevant AI training opportunities in minutes
• Develop portfolio experience in evaluation, localization, and language data creation