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Braintrust

Computational Linguist — AI / Language Learning

Braintrust
Ukraine · Full-time · Director
We’re looking for a Computational Linguist to support the development of AI-powered language learning features. This is a hands-on role at the intersection of linguistics, data, and AI, focused on improving prompt quality, evaluation systems, and overall learning outcomes.

You’ll work closely with Learning Designers and AI/Engineering teams to build and refine scalable language systems used by millions of learners.

Responsibilities

  • Design and refine prompts for AI-powered learning features
  • Evaluate and improve LLM outputs and prompt performance
  • Build and maintain evaluation and benchmarking frameworks
  • Apply knowledge of linguistics and language acquisition to improve product quality
  • Collaborate with Product, Design, and Engineering teams
  • Support content tagging and structuring for AI systems

Requirements

  • Master’s degree in computational linguistics, applied linguistics, NLP, or related field
  • Strong knowledge of linguistics (syntax, semantics, pragmatics, etc.)
  • 5+ years of relevant professional experience
  • Experience with prompt design, evaluation, or NLP workflows
  • Familiarity with LLMs and AI tools
  • Strong data-driven mindset
  • C2-level English
  • Experience in EdTech
  • Experience working with LLMs (e.g., prompt writing, evaluation frameworks)
  • Experience with content systems or structured datasets
  • Highly hands-on and detail-oriented
  • Comfortable working in a fast-paced, ambiguous environment
  • Able to balance linguistic rigor with product speed and iteration

Contractor Pay Range

  • UK: $60-90/hr
  • Spain: $45–70/hr
  • Portugal: $40–65/hr
  • Final rate based on location, qualifications, and experience

Key Skills

Ranked by relevance

ai product design
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Posted
Mar 21, 2026
Type
Full-time
Level
Director
Location
Ukraine
Company
Braintrust

Industries

Technology Information Internet

Categories

Information Technology

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