Senior Principal Applied AI Scientist

Responsibilities

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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

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• 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. xcskxlj Proven ability to lead scientific roadmaps and collaborate cross-functionally to deliver innovative AI solutions.

Highest-signal resume keywords

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• PhD In NLP
  
• Deep Learning-Based NLP
  
• Machine Learning Solutions
  
• Proficiency In PyTorch
  
• Cloud Platforms Experience
  

ATS Optimization Keywords
Hard Skills

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• 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

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• Leadership
  
• Mentoring
  
• Collaboration
  
• Advisory Skills
  
• Communication
  

Industry Keywords

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• Personalized Learning
  
• AI-Driven Solutions
  
• Product Lifecycle
  
• Research Roadmaps
  
• Deployment Pipelines
  

Tools & Technologies

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• PyTorch
  
• AWS
  
• Google Cloud
  

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