Skip to content
OpenTrain AIFor AI Companies

Language Expert AI Evaluator

Also available in: Eesti

Apply now

Job details

Pay

$35 USD/hr

Engagement

Contract, part-time

Location

Remote

Estonia only

Posted

Aug 15, 2026

OpenTrain on Trustpilot

The work

You will evaluate AI-generated Estonian content and create language data that helps improve AI models. The work covers general knowledge, education, customer support, translation, localization, conversational writing, and culturally sensitive content.

You will use careful language judgment, fact-checking, written explanations, and comparison of multiple responses to identify problems and show what a strong answer should look like.

  • Review Estonian text for grammar, spelling, fluency, meaning, terminology, tone, register, and cultural fit.
  • Find mistranslations, ambiguity, unnatural wording, incorrect case forms, factual hallucinations, bias, unsafe content, and policy-risk language.
  • Write prompts, high-quality Estonian reference answers, rewrites, and model responses.
  • Rate and compare AI responses for correctness, meaning preservation, structure, safety, tone, and overall quality.
  • Fact-check claims when needed and explain errors and recommended improvements in precise written feedback.

Requirements

  • Time: 20 or more hours per week.
  • Languages: Fluent Estonian with strong reading and writing ability, plus professional English proficiency at C1 or higher.
  • Language knowledge: Strong command of Estonian grammar, spelling, punctuation, cases, word order, compound words, verb forms, tone, and style.
  • Judgment: Ability to distinguish formal, neutral, conversational, professional, educational, and public-facing writing.
  • Attention to detail: Ability to spot subtle meaning shifts, literal translations, terminology problems, culturally mismatched wording, and language interference.
  • Experience: At least three years in writing, editing, localization, translation, content quality assurance, journalism, education, or another language-focused field.
  • Skills: Copyediting, Cultural context, English, Estonian, Fact-checking, Grammar, Localization, Proofreading, Style, Tone & register, Translation quality review

Open to applicants in

  • Estonia

Preferred

  • Helpful background: A degree in linguistics, Estonian language or literature, English literature, communications, journalism, translation, or a related field, or equivalent professional experience.
  • AI data training, translation quality assurance, editorial quality assurance, localization quality assurance, or rubric-based evaluation.

How to apply

  1. Press Apply now. You create a free account and add your resume.
  2. Complete your application for this role on OpenTrain.

Job ID: cmsu1z25a002904lfb0v0ubbz

Keep exploring

Similar open roles

View all AI training jobs

Experimental Biologist and Physiologist (Lab)

Use laboratory and greenhouse data to write research-level problems and evaluate AI models. This remote contractor role pays $50 per hour, offers flexible task-based work, and requires practical biology or physiology experience.

Generative AI & RLHF
Text
Remote · United Arab Emirates, Antigua and Barbuda, Albania +92 more
English
Flexible hours
Hourly · $50/hr

Posted Nov 12, 2026

Process And Chemical Plant Engineer (English)

Use real plant and pilot data to write chemical engineering problems and evaluate AI models. This contractor role pays $50 per hour and is open to fluent English speakers in eligible countries.

Generative AI & RLHF
Text
Remote · United Arab Emirates, Antigua and Barbuda, Albania +92 more
English
Flexible hours
Hourly · $50/hr

Posted Nov 11, 2026

Power Systems & Protection Engineer, AI Problem Writer

Use power systems and protection expertise to write research-level problems for AI training, analyze relay and fault data, and earn $50 per hour as a flexible contractor. Apply through OpenTrain and complete the hiring-site application.

Generative AI & RLHF
Text
Remote · United Arab Emirates, Antigua and Barbuda, Albania +92 more
English
Flexible hours
Hourly · $50/hr

Posted Nov 11, 2026

Operations Research And Applied Mathematics Specialist

Write research-level operations research and applied mathematics problems that help train AI models. This flexible contractor role pays $50 per hour and uses your practical experience with optimization, modeling, and real operational data.

Generative AI & RLHF
Text
Remote · United Arab Emirates, Antigua and Barbuda, Albania +92 more
English
Flexible hours
Hourly · $50/hr

Posted Nov 11, 2026

Ocean, Atmosphere & Earth Observation Scientist

Create research-level AI evaluation problems in oceanography, atmospheric science, or geoscience using real field and instrument data. This remote contractor role pays $50 per hour with flexible, task-based assignments.

Generative AI & RLHF
Text
Remote · United Arab Emirates, Antigua and Barbuda, Albania +92 more
English
Flexible hours
Hourly · $50/hr

Posted Nov 11, 2026