Machine Learning Scientist, Alexa AI Knowledge
As a Machine Learning Scientist for Alexa AI Knowledge in London, you will apply advanced ML and statistical techniques to develop and deploy data-driven models for customer-facing knowledge services, including multi-modal question answering. You will be involved in the entire development lifecycle, from research and idea generation to the deployment of advanced ML, NLP, and computer vision models.
Come join Alexa Artificial Intelligence -- the science team behind Amazon’s intelligent voice assistant. Alexa AI in London is hiring an Applied Scientist who is passionate about applying advanced ML and statistical techniques to solve real-world challenges. This role is part of the Alexa AI Knowledge team, where we research novel machine learning, computer vision and natural language processing algorithms to deliver customer-facing knowledge services such as multi-modal question answering at scale. The team runs production services that impact millions of users globally, and researches new methods in question understanding, knowledge extraction, and information enrichment to deliver ground-breaking advances in accuracy and scale.
You will work in an agile team of scientists and engineers. As a scientist on the team, you will be involved in every aspect of the development lifecycle, from idea generation and scientific research to development and deployment of advanced models.
Our ideal candidate is an experienced ML technology scientist who has a track-record of taking invention to production. You should have a commitment to working with a diverse team as well as great leadership and communication skills. You are passionate about using scientific research to deliver value to customers and are motivated to deliver results in a fast-paced environment. This position offers an exceptional opportunity to grow your technical and non-technical skills and make a real difference to Alexa customers.
Posted June 2, 2026