Senior Applied AI Scientist – AI Marketplace

About the role

Preply is building a human‑led, AI‑enhanced learning platform that connects millions of learners with tutors worldwide. As a Senior Applied AI Scientist you will shape the AI Marketplace, developing cutting‑edge models that power real‑time tutor‑learner matchmaking and ensure a safe, trustworthy environment.

Key responsibilities

• Apply state‑of‑the‑art multimodal neural search and ranking models to personalize learning experiences.
• Research, prototype and deploy deep learning‑based NLP and IR solutions at scale.
• Collaborate with product, engineering and data teams to turn research into production‑ready systems.
• Mentor junior scientists and engineers, fostering knowledge sharing across the Applied AI team.
• Contribute to best practices in model architecture, experimentation and deployment pipelines.

Required profile

• PhD or equivalent experience in Information Retrieval, NLP, Machine Learning or a related field.
• 4+ years of industry experience building deep‑learning NLP/IR applications.
• Proven ability to drive AI initiatives from research to production in a collaborative setting.
• Strong problem‑solving skills with a track record of delivering impactful AI solutions.

Required skills

• PyTorch
• TensorFlow
• AWS
• Google Cloud

What we offer

• An open, collaborative and diverse culture.
• Generous monthly allowance for lessons on Preply.com and a learning & development budget.
• Competitive financial package with equity, health insurance and leave allowance.
• Free mental‑health support platforms.
• Opportunity to shape the lives of learners and tutors in 175+ countries.