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Invisible Technologies

Bulgarian Language Specialist – Freelance AI Trainer

Invisible Technologies

. Converse with language models on Bulgarian language scenarios .

Posted 10/31/2026contractRemote • BulgariaMid-LevelSenior💰 $8 - $65 per hourWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in Bulgarian language, including grammar, syntax, and phonology, while effectively communicating insights and improvements for AI model training and evaluation. Capable of analyzing linguistic structures and documenting model performance to enhance reasoning capabilities.

Highest-signal resume keywords
Bulgarian Language ExpertiseKnowledge of Bulgarian GrammarLinguistic AnalysisMetacognitive CommunicationMaster's or PhD in Linguistics

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Bulgarian GrammarSyntax AnalysisMorphology AnalysisSpelling ProficiencyPhonology KnowledgePragmatics UnderstandingVerb Conjugation AnalysisNoun Declension AnalysisSentence Structure AnalysisBulgarian Writing System
Soft Skills
Clear CommunicationAnalytical Thinking
Industry Keywords
Prompt EngineeringModel Evaluation MetricsModel Failure ModesAI Model TrainingRegional DialectsFormal SpeechInformal Speech

About the role

Key responsibilities & impact
  • Converse with language models on Bulgarian language scenarios
  • Verify factual accuracy and logical soundness
  • Capture reproducible error traces
  • Suggest improvements to prompt engineering and evaluation metrics
  • Document model failure modes to strengthen model reasoning
  • Help train AI models using Bulgarian language expertise

Requirements

What you’ll need
  • Bulgarian language expertise
  • Strong knowledge of Bulgarian grammar, syntax, morphology, spelling, phonology, and pragmatics
  • Ability to analyze verb conjugation, noun declension, sentence structure, aspect, regional dialects, formal and informal speech, and the Bulgarian writing system
  • Clear, metacognitive communication
  • A master’s or PhD in Bulgarian language, linguistics, or a closely related field is ideal
  • Peer-reviewed publications, teaching experience, or hands-on linguistic analysis projects are advantageous

Benefits

Comp & perks
  • Contractor arrangement
  • Secure computer and high-speed internet supplied by the contractor
  • Company-sponsored health insurance does not apply
  • Company-sponsored PTO does not apply