Senior Principal Applied AI Scientist
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* 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 Experience ATS Optimization Keywords Hard Skills
* Machine Learning
* Natural Language Processing
* Deep Learning
* Retrieval Models
* Ranking Models
* Retrieval-Augmented Generation
* LLMs
* AI Solutions Development
* Scientific Roadmap Development
* Problem Solving Soft Skills
* Leadership
* Mentoring
* Collaboration
* Advisory Skills
* Communication Industry Keywords
* Personalized Learning
* AI-Driven Solutions
* Product Lifecycle
* Research Roadmaps
* Deployment Pipelines Tools & Technologies
* PyTorch
* AWS
* Google Cloud
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