We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. Today, 100,000+ tutors teach 90+ languages to learners in 180 countries - and we’re only getting started. As a category-defining company, we’re shaping what the future of learning looks like at integral scale.Every Preply lesson sparks change, fuels ambition, and drives progress that matters. Joining Preply means helping define the future of education at global scale, and building something that truly matters for millions of people, every day.As a Senior Principal Applied AI Scientist, you will lead the development of AI-driven personalized learning solutions and shape Preply's scientific roadmap.



Collaborating with a team of exceptional scientists and engineers, you will architect state-of-the-art models and systems that enhance the experiences of millions of learners worldwide. With a high level of autonomy and influence, you will report directly to the VP of Data and Applied AI, playing a pivotal role in setting the direction of our most ambitious AI initiatives.What you’ll be doing:Innovative R&D;: Leverage your extensive experience in Deep learning, NLP, Information Retrieval (IR), LLMs and multimodal AI to design and deploy scalable machine learning solutions for personalized learning and intelligent tutor systems.Scientific leadership: Develop long-term scientific roadmaps, aligning them with Preply’s product strategy and business goals. Act as a strategic advisor to senior leadership on investments, technology direction, and organizational planning.Cross-functional collaboration: Partner closely with applied science leader

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