Experteer Overview As Senior Principal Applied AI Scientist, you will spearhead AI-driven personalized learning solutions and shape Preply’s scientific roadmap. You’ll architect state-of-the-art models with a world-class team to enhance learning experiences for millions of users. You’ll set long-term research directions aligned with product goals and advise leadership on technology decisions. This role combines autonomy, cross-functional influence, and the chance to push the boundaries of AI in education, at global scale.Compensaciones / Incentivos -

Design and deploy scalable ML solutions for personalized learning and intelligent tutor systems using deep learning, NLP, IR, LLMs, and multimodal AI -

Develop long-term scientific roadmaps aligned with product strategy and business goals -

Collaborate with applied science, product, and engineering teams to translate research into products that unlock new opportunities -

Mentor scientists and engineers, fostering a collaborative, innovative science community -

Establish and promote ML best practices across architecture, roadmaps,



and deployment pipelinesResponsabilidades -

Ph D in NLP, IR, ML or related fields (or equivalent experience) -

8+ years of industry experience with deep learning-based NLP, LLM pre-training, and IR methods -

Expertise in retrieval models and ranking models -

Experience with retrieval-augmented generation (RAG) and LLMs in real-world applications -

Proficiency with Py Torch -

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

Proven ability to lead scientific roadmaps across product areas and collaborate with Product and Engineering -

Track record of solving real-world problems across research to productionRequisitos principales -

monthly allowance for lessons on -

Learning u0026 Development budget -

time off for self-development -

equity and health insurance -

free mental health support platforms -

competitive financial package with leave allowance

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