computational linguist for AI language learning

Preply creates life-changing learning experiences by helping people find tutors, build personalized learning journeys, and stay motivated. Its human-led, technology-enabled platform serves more than 100,000 tutors teaching over 90 languages to learners in 180 countries.

• Formalize linguistic phenomena into clear rules, taxonomies, annotation criteria, and system or model requirements
• Design, evaluate, and improve prompts and other AI components for language-learning use cases
• Build representative training, calibration, and evaluation datasets, including annotation guidelines and quality-control processes
• Evaluate model behavior using qualitative and quantitative methods, investigate failure modes and quality issues, and validate fixes across prompts, models, data, and downstream processing
• Use Python and existing tools to process linguistic data and automate evaluation
• Collaborate with engineers, product managers, learning designers, and computational linguists to develop reusable solutions, resources, and practices that scale across use cases and languages
• Stay informed about best practices and advances in NLP and LLM research

• 2–3 Years of experience in Computational Linguistics, NLP, or a related role
• Hands-on experience with LLMs, including prompt design, evaluation, and model behavior analysis
• Proficiency in Python for data processing, evaluation, and automation
• Strong understanding of datasets, annotation workflows, evaluation methods, and quality assurance for AI systems
• Comfortable using AI tools in day-to-day problem-solving, analysis, and workflow automation
• Strong qualitative and quantitative analysis skills for evaluating linguistic data, model behavior, and system quality
• Ability to collaborate effectively in cross-functional teams
• Degree in Linguistics, Computational Linguistics, NLP, Language Technology, or a related field, or equivalent practical experience
• Excellent spoken and written English, with strong linguistic precision

• Monthly allowance for lessons on Preply.com
• Learning & Development budget and time off for self-development
• Competitive financial package with equity, leave allowance, and health insurance
• Access to free mental health support platforms