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American Express Global Business Travel

Machine Learning Engineer II

American Express Global Business Travel

Machine Learning Engineer II responsible for designing, building, and optimizing intelligent systems at Amex GBT. Utilizing AI techniques to make a measurable business impact while collaborating globally.

Posted 4/17/2026full-timeLondon • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
AWSKubernetesPySparkPythonPyTorchScikit-LearnSQLTensorflow

About the role

Key responsibilities & impact
  • Utilize AI techniques, including machine learning, deep learning, generative AI, and statistical modeling, to develop and implement solutions
  • Apply strong coding skills, analytical abilities, and innovative thinking
  • Employ statistical and data science methods to make data-driven decisions
  • Manipulate large data sets for business insights and drive actionable solutions
  • Structure work, frame issues, and produce analyses/ML models/Compound AI systems
  • Communicate complex data science topics in a clean & simple way to multiple partners and senior leadership
  • Collaborate with a global team across different continents to achieve project goals

Requirements

What you’ll need
  • 6+ years of experience with a bachelor’s degree or equivalent, or 3+ years with a master’s degree or equivalent
  • Proven knowledge of AI techniques and excellent grasp of statistical concepts and methods
  • Good understanding of LLMs, guardrails, RAG, agentic AI
  • Strong passion for solving problems and finding patterns and insights within data
  • Strong knowledge of hands-on practice in Python
  • Familiarity with popular machine learning libraries and frameworks such as scikit-learn, Hugging Face, PyTorch and TensorFlow
  • Experience with MLFlow, AWS SageMaker and Bedrock is preferred
  • Familiar with MLOps concept, SQL and PySpark
  • Experience with feature stores and monitoring dashboards is a plus
  • Some infrastructure knowledge (AWS, Kubernetes) and cost-awareness are a plus.

Benefits

Comp & perks
  • Flexible benefits tailored to each country
  • Health and welfare insurance plans
  • Retirement programs
  • Parental leave
  • Adoption assistance
  • Wellbeing resources

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
machine learningdeep learninggenerative AIstatistical modelingPythonSQLPySparkMLOpsdata science methodsfeature stores
Soft Skills
analytical abilitiesinnovative thinkingproblem-solvingcommunicationcollaboration