Responsibilities- Lead development of AI-driven personalized learning solutions and shape Preply's scientific roadmap- Design and deploy scalable machine learning solutions for personalized learning and intelligent tutor systems- Develop long-term scientific roadmaps aligned with product strategy and business goals- Advise senior leadership on investments, technology direction, and organizational planning- Partner with applied science leaders, product managers, and engineering teams to deliver AI solutions- Guide and mentor scientists and engineers- Establish and advocate for machine learning best practices, including architecture design, research roadmaps, and deployment pipelines- Report directly to the VP of Data and Applied AIRequirements- PhD in NLP, IR, Machine Learning, or related fields (or equivalent experience)- 8+ years of industry experience- Strong focus on deep learning-based NLP, LLM continuous pre-training, and IR methods- Demonstrated expertise in retrieval models- Extensive experience with ranking models- Strong understanding and experience with retrieval-augmented generation (RAG)



and LLMs for real-world applications- Proficiency in deep learning frameworks such as PyTorch- Hands-on experience with cloud platforms such as AWS or Google Cloud- Proven ability to lead scientific roadmaps across multiple product areas- Track record of solving real-world problems throughout the entire product lifecycle, from research to production- Passion for scientific innovation in personalized learning- Ability to work cross-functionally with diverse teamsCore CompetenciesDemonstrates expertise in developing AI-driven personalized learning solutions, with a strong focus on deep learning-based NLP and LLMs. Proven ability to lead scientific roadmaps and collaborate cross-functionally to deliver innovative AI solutions.Highest-signal resume keywords- PhD In NLP- Deep Learning-Based NLP- Machine Learning Solutions- Proficiency In PyTorch- Cloud Platforms ExperienceATS Optimization KeywordsHard Skills- Machine Learning- Natural Language Processing- Deep Learning- Retrieval Models- Ranking Models- Retrieval-Augmented Generation- LLMs- AI Solutions Development- Scientific Roadmap Development- Problem SolvingSoft Skills- Leadership- Mentoring- Collaboration- Advisory Skills- CommunicationIndustry Keywords- Personalized Learning- AI-Driven Solutions- Product Lifecycle- Research Roadmaps- Deployment PipelinesTools & Technologies- PyTorch- AWS- Google Cloud#J-18808-Ljbffr

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