AI Language Engineer, Alexa for Shopping - Amazon.com

Key Responsibilities

• Design, implement, and fine‑tune large language models that power Alexa’s shopping conversations, ensuring fluency, relevance, and safety.
• Develop end‑to‑end pipelines for data collection, annotation, model training, evaluation, and deployment on AWS infrastructure.
• Collaborate with product, UX, and research teams to translate shopping use‑cases into robust language solutions, including product discovery, comparison, and recommendation dialogs.
• Optimize model performance and latency for real‑time interaction on Alexa devices, employing techniques such as quantization, distillation, and efficient inference.
• Monitor production systems, diagnose issues, and iterate on models to continuously improve user experience and business metrics.

Requirements

• Strong programming skills in Python and experience with ML frameworks such as PyTorch or TensorFlow.
• Deep understanding of Natural Language Processing, large language models, and generative AI techniques.
• Hands‑on experience deploying and scaling AI services on AWS (SageMaker, Lambda, EC2, etc.).
• Proven ability to work with large, noisy datasets and develop evaluation metrics for conversational quality.
• Excellent problem‑solving skills and ability to collaborate across multidisciplinary teams.