AI Research Scientist

• 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

Senior Principal AI Scientist advancing Preply’s personalized language-learning platform

Senior Principal Applied AI Scientist

Senior Principal AI Scientist advancing Preply’s personalized language-learning platform. Leading NLP, retrieval, LLM, and multimodal AI research from roadmap to production.

• Conduct foundational pre-training for LLMs and multi-modal models integrating text, vision, audio, or other modalities on large distributed servers with multiple nodes and thousands of NVIDIA GPUs
• Design, prototype, and scale innovative architectures, tokenizers, and cross-modal alignment layers
• Source, filter, and curate large-scale textual and multi-modal datasets and establish robust data pipelines
• Execute experiments independently and collaboratively, analyze results, and refine training methodologies for performance and token efficiency
• Investigate, debug, and eliminate bottlenecks in model efficiency, computational performance, and multi-modal alignment stability during long training runs
• Advance distributed training systems for scalability and hardware efficiency

AI Research Engineer advancing LLM and multimodal pre-training at blockchain fintech Tether

AI Research Engineer – Pre-training, LLM, Multi-Modal

AI Research Engineer advancing LLM and multimodal pre-training for Tether’s blockchain-powered digital finance and AI products. Designing architectures, curating datasets, and scaling distributed GPU training.

AI Research Scientist jobs in United Kingdom

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Senior Principal Applied AI Scientist

AI Research Engineer – Pre-training, LLM, Multi-Modal