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[Remote] AI Trainer – Fluent Lithuanian Speaker - London, UK

Remote, USA Full-time Posted 2026-06-12

Note: The job is a remote job and is open to candidates in USA. Prolific is building the biggest pool of quality human data in the world, and they are seeking fluent Lithuanian speakers to act as evaluators for AI models. The role involves evaluating text and voice snippets to ensure the AI understands the depth and nuance of the Lithuanian language.

Responsibilities

  • Side-by-side evaluation: comparing text and voice snippets to assess quality and authenticity
  • Naturalness assessment: listening to AI-generated audio and rating how natural the voice sounds
  • Quality control: identifying where the AI's tone or pronunciation feels unnatural or culturally mismatched
  • Contextual review: identifying whether intonation matches the cultural context of the conversation
  • Data tagging: providing feedback on the naturalness, tone, and authenticity of the audio

Skills

  • Fluent Lithuanian speaker with a strong command of natural, everyday Lithuanian
  • An ability to distinguish subtle differences in accent, tone, and vocal delivery
  • Fluent English skills for instruction following and reporting
  • High attention to detail
  • Access to a quiet environment and good quality headphones/ speakers
  • A PayPal account to receive payment from our clients
  • Backgrounds in linguistics or translation are a plus

Benefits

  • Competitive pay rates
  • Flexible hours
  • Ability to work from home

Company Overview

  • Building the most advanced global infrastructure for People Science. It was founded in 2014, and is headquartered in London, England, GBR, with a workforce of 51-200 employees. Its website is https://www.prolific.com/.
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