Senior Principal Applied AI Scientist
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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 global scale.
Compensaciones / Beneficios- monthly allowance for lessons on Preply.com
- Learning & Development budget
- time off for self-development
- equity and health insurance
- free mental health support platforms
- competitive financial package with leave allowance
- 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
- 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 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
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