Overview
¿Tiene las siguientes habilidades, experiencia e impulso para tener éxito en este puesto? Descúbralo a continuación.
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 integral scale.
Compensaciones / Beneficios
monthly allowance for lessons on
Learning & Development budget
time off for self-development
equity and health insurance
free mental health support platforms
competitive financial package with leave allowance
Responsabilidades
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 pipelines
Requisitos principales
PhD 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 xqbhyrx retrieval-augmented generation (RAG) and LLMs in real-world applications
Proficiency with PyTorch
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 production
strong collaboration and cross-functional teamwork
leadership and mentorship
strategic advisory capabilities to senior leadership
PyTorch
retrieval models
ranking models

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