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 AI

Requirements

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 teams

Core Competencies
Demonstrates 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 Experi

📌 Senior Principal Applied AI Scientist (Madrid)
🏢 Jobtailor
📍 Madrid