AI Language Engineer Ii, Alexa for Shopping Lang-tech

Amazon Amazon · Big Tech · London, United Kingdom · Editorial, Writing, & Content Management

AI Language Engineer II for Amazon's Conversational Shopping team, focusing on LLM evaluation, prompt engineering, and RAG/agentic systems to enhance the AI-assisted shopping experience. Responsibilities include developing LLM-as-a-judge systems, automating data analysis, optimizing prompts, integrating RAG, evaluating model performance, and defining tooling requirements.

What you'd actually do

  1. Develop LLM-as-a-judge systems to support Human-in-the-loop evaluations
  2. Automate operations and perform data analysis using scripting languages (e.g. Python)
  3. Author, optimize, and manage system prompts for customer-facing LLM systems
  4. Integrate API calls into Retrieval Augmented Generation (RAG) systems
  5. Evaluate model performance and annotation quality to produce reports for stakeholders

Skills

Required

  • Experience with Large Language Models, NLP, or Machine Learning
  • Experience with Python libraries for data analysis such as pandas and scikit-learn
  • Experience with Unix tools
  • Experience that includes strong analytical skills, attention to detail, and effective communication abilities
  • Experience in a fast paced, dynamic organization
  • Experience prioritizing and handling multiple assignments at any given time while maintaining commitment to deadlines
  • Master's Degree in Applied Linguistics, Computational Linguistics, Natural Language Processing (NLP), or related field.

Nice to have

  • Experience building RAG or agentic systems
  • Experience conducting quantitative analysis
  • Experience building data pipelines
  • Experience with AWS services (Bedrock, S3, EC2, etc.)
  • Knowledge of user experience concepts and methods
  • Familiarity with online retail (e-commerce)
  • PhD in Applied Linguistics, Computational Linguistics, Natural Language Processing (NLP), or related technical field
  • Experience with SQL and Git
  • Familiarity with AI coding assistants

What the JD emphasized

  • complex problems in model evaluation, automation, and context engineering for agentic systems
  • evaluation-driven product development strategy
  • measure, analyze and solve complex problems
  • automating and processing data workflows at scale
  • upholding the highest linguistic quality standards

Other signals

  • LLM evaluation
  • prompt engineering
  • RAG systems
  • agentic systems