Senior Applied Scientist: Alexa Shopping & Multimodal AI

Amazon Inc.; Greater London; Presencial; GBP 95.000 - 140.000; Jornada completa

Descripción de la vacante

Amazon Development Centre (London) Limited is seeking an Applied Scientist II for Alexa for Shopping. You will develop and maintain LLM agents, implement evaluation pipelines, and drive improvements in conversational AI at scale within a fast-paced team in London.

The role emphasizes instruction design, context grounding, model fine-tuning, and rigorous experimentation to enhance language-model-powered shopping experiences for customers worldwide.

Formación

• Master's degree or above in CS/ML/engineering.
• Experience programming in Java, C++, Python.
• Experience building ML models for business applications.
• Experience in state-of-the-art deep learning models and optimization.
• Experience in algorithms, data structures, data mining, parallel/distributed computing.
• Patents or publications at top-tier conferences or journals.

Responsabilidades

• Develop and maintain LLM agents and evaluation pipelines to measure response quality.
• Partner with teams to experiment with retrieval augmentation, context enrichment, prompt decomposition, and fine-tuning.
• Apply ML/DL techniques to improve shopping experiences; design agent architectures balancing quality, latency, and scalability.

Conocimientos

Machine Learning

Deep Learning

Java

Python

C++

Algorithms

Educación

Master's degree in CS/ML/Engineering

PhD in CS/ML/Engineering

Descripción del empleo

Amazon Development Centre (London) Limited is seeking an Applied Scientist II for Alexa for Shopping. You will develop and maintain LLM agents, implement evaluation pipelines, and drive improvements in conversational AI at scale within a fast-paced team in London.

The role emphasizes instruction design, context grounding, model fine-tuning, and rigorous experimentation to enhance language-model-powered shopping experiences for customers worldwide.