Overview

As a Senior AI Scientist at Preply, you will lead the development of AI-driven personalized learning solutions and shape the scientific roadmap. You'll architect state-of-the-art models with a general impact, collaborating with researchers and engineers to enhance learner experiences. Expect hands-on research, prototyping, and production deployment in a fast-paced, cross-functional environment.

This role offers the chance to advance AI in education at scale and influence how millions learn languages worldwide.

Compensaciones / Beneficios monthly lesson allowance

Learning & Development budget time off for self-development equity health insurance mental health support

Responsabilidades Conduct AI research and development across deep learning, NLP, IR, LLMs, and multimodal AI for personalized learning and AI tutors

Develop and deploy cutting-edge AI models in production, from prototyping to implementation

Collaborate with scientists, engineers, and product teams to deliver AI-driven learning improvements and business outcomes

Mentor junior scientists and engineers, promoting learning and innovation





Contribute to ML best practices, including model architecture, research methodologies, and deployment pipelines

Requisitos principales PhD in NLP, IR, Machine Learning, or a related field (or equivalent experience)

4+ years of industry experience in deep learning-based NLP and IR applications

Experience with retrieval models, ranking models, LLMs, and retrieval-augmented generation (RAG)

Strong proficiency in PyTorch or TensorFlow

Hands-on experience with cloud platforms (AWS, Google Cloud)

Ability to drive AI initiatives from research to production in a collaborative environment

Strong problem-solving skills and a track record of impactful AI solutions

Passion for advancing AI-driven personalized learning experiences

Eagerness to work in a fast-paced, cross-functional setting to translate research into real-world applications

Cross-functional collaboration

Mentorship

Problem-solving

PyTorch

TensorFlow

NLP

📌 Senior Applied AI Scientist (AI Marketplace) (Barcelona)
🏢 Preply
📍 Barcelona